Meet Our Team
Jennilee Caffey
Administrator
Dr. Khalid Yousuf
Joint Program Director
Matt Engels, MD
Medical Director
Orthopedic Surgery
Sheena R. Black, MD
Orthopedic Surgery
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Sheena Black, MD is an orthopedic surgeon specializing in orthopedic sports medicine and arthroscopic procedures.Full Biography »
Daniel Cooper, MD
Orthopedic Surgery
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Dr. Cooper is a widely recognized authority in the field of sports medicine, sub-specializing in injuries to the knee and shoulder.Full Biography »
Andrew Dold, MD
Orthopedic Surgery
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Dr. Andrew Dold is a fellowship-trained orthopedic surgeon who specializes in arthroscopic procedures of the hip, knee, and shoulder.Full Biography »
Brody A. Flanagin, MD
Orthopedic Surgery
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Brody Flanagin, MD is a board-certified orthopaedic surgeon specializing in arthroscopic, reconstructive, and replacement surgery of the shoulder and elbow.Full Biography »
Paul Ghattas, DO
Orthopedic Surgery
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Dr. Paul Ghattas is a fellowship-trained orthopedic surgeon who specializes in arthroscopic procedures of the shoulder, elbow, and knee.
Sean Haslam, MD
Orthopedic Surgery
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Sean Haslam, MD, FRCSC is a fellowship trained orthopedic surgeon specializing in sports medicine and joint replacement.Full Biography »
John Heinrich, MD
Orthopedic Surgery
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Dr. John Heinrich practices general orthopedics with an emphasis on sports medicine and arthroscopic procedures as well as joint replacement of both the shoulder and knee.
Full Biography »
Mark Muller, MD
Orthopedic Surgery
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Mark Muller, MD, joined the Carrell Clinic™ in 2008 as a board-certified orthopedic surgeon with expertise in sports related injuries of the knee, hip, and shoulder.
Full Biography »
Garner Newton
Orthopedic Surgery
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Dr. Newton specializes in: arthroscopy and sports related injuries of the shoulder and knee as well as total knee replacement.Full Biography »
Jason Klein
Orthopedic Surgery
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Areas of interest: Shoulder & elbow instability, arthritis, tendon injuries, complex cases, failed previous surgery, and overuse injuries, & more.Full Biography »
Richard D. Rhodes, Jr., MD
Orthopedic Surgery
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Richard Rhodes, MD specializes in arthroscopic and reconstructive surgery of the shoulder, knee and hip. Dr. Rhodes is board certified in Orthopedic Surgery and Sports Medicine.Full Biography »
Bruce Douthit
Orthopedic Surgery
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Dr. Douthit specializes in the diagnosis and treatment of overuse and traumatic injuries of the knee and shoulder.Full Biography »
Scott Kutz
Orthopedic Surgery
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Dr. Kutz specializes in: treatment of spinal conditions such as degenerative disc disease, herniated discs, spinal tumors, and spinal stenosis.Full Biography »
John Scovell, Ill
Orthopedic Surgery
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Dr. Scovell Specializes In: Knee Ligament Reconstruction, Including ACL Reconstruction, Knee Cartilage Restoration, Sports Injuries of the Ankle, Knee, Elbow & Shoulder, and much more.Full Biography »
Daniel Worrel
Orthopedic Surgery
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Dr. Worrel Specializes In: Arthroscopic Surgery, Sports Injuries, Shoulder, Elbow, Knee & Upper Extremity TraumaFull Biography »
Orthopedic Hand Surgery
Aimee Schimizzi, MD
Orthopedic Hand Surgery
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Dr. Aimee Schimizzi is a board certified, fellowship trained orthopedic surgeon
specializing in surgery of the hand, wrist, elbow and upper extremity.Full Biography »
Megan Wood, MD
Orthopedic Hand Surgery
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Dr. Megan M. Wood is a board certified, fellowship trained orthopedic surgeon specializing in surgery of the hand, wrist, elbow and upper extremity.Full Biography »
Shahram ‘Shawn’ Yari, MD
Orthopedic Hand Surgery
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Dr. Yari is a fellowship-trained orthopedic surgeon whose treatment focuses on disorders of the hand, wrist and elbow.Full Biography »
Megan M. Wood, MD
Orthopedic Hand Surgery
Dr. Wood is a board-certified, fellowship trained orthopedic surgeon specializing in surgery of the hand, wrist, elbow and upper extremity. She is a Dallas native who studied at The University of California, Berkeley and returned home to attend medical school at The University of Texas Southwestern Medical Center, also the home of her orthopedic surgery residency. After her residency, she completed a fellowship in hand and microvascular surgery under the tutelage of Dr. David Green at The Hand Center of San Antonio and UTHSCSA. She also received additional training in pediatric and congenital hand conditions at Texas Scottish Rite Hospital.
Dr. Wood has published scientific articles and book chapters on various orthopedic and hand-related topics, and she has served as a Clinical Assistant Professor at UT Southwestern Medical School for the Department of Orthopedic Surgery. She is an active and engaged member of the American Academy of Orthopedic Surgeons and the American Society for Surgery of the Hand.
Learn more: https://texashandandarmcenter.com/our-providers/#wood
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Spine Surgery
William Hotchkiss
Total Joint
Brody A. Flanagin, MD
Orthopedic Surgery
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Brody Flanagin is a board-certified orthopaedic surgeon specializing in arthroscopic, reconstructive, & replace-ment surgery of the shoulder and elbow.Full Biography »
Richard D. Rhodes, Jr., MD
Orthopedic Surgery
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Richard Rhodes, MD specializes in arthroscopic and reconstructive surgery of the shoulder, knee and hip. Dr. Rhodes is board certified in Orthopedic Surgery and Sports Medicine.Full Biography »
Khalid Yousuf, MD
Orthopedic Surgery
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Khalid Yousuf, MD, MS joins us from his busy practice in Chicago, IL. He is a native of Texas and has moved back to be with his family.
Full Biography »
Sheena R. Black, MD
Orthopedic Surgery
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Sheena Black, MD is an orthopedic surgeon specializing in orthopedic sports medicine and arthroscopic procedures.Full Biography »
Paul Ghattas
Orthopedic Surgery
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Dr. Paul Ghattas is a fellowship-trained orthopedic surgeon who specializes in arthroscopic procedures of the shoulder, elbow, and knee.Full Biography »
Sean Haslam, MD
Orthopedic Surgery
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Sean Haslam, MD, FRCSC is a fellowship trained orthopedic surgeon specializing in sports medicine and joint replacement.Full Biography »
Daniel Worrel
Orthopedic Surgery
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Dr. Worrel Specializes In: Arthroscopic Surgery, Sports Injuries, Shoulder, Elbow, Knee & Upper Extremity TraumaFull Biography »
Brody A. Flanagin, MD
Orthopedic Surgery
Brody Flanagin, MD is a board-certified orthopaedic surgeon specializing in arthroscopic, reconstructive, and replacement surgery of the shoulder and elbow.
He has a particular interest in complex arthroscopic and open reconstructive and replacement surgery of the shoulder as well as treatment of fractures involving the shoulder. Dr. Flanagin earned his medical degree at the University of Chicago Pritzker School of Medicine before completing his residency in orthopaedic surgery at the Yale University School of Medicine. He then completed a fellowship in Shoulder & Elbow surgery in Dallas at the Carrell Clinic/Baylor University Medical Center. Following his fellowship, Dr. Flanagin spent additional time with Dr. Gilles Walch and Prof. Pascal Boileau in France before starting his practice learning advanced shoulder reconstructive techniques.
Dr. Flanagin treats patients of all ages and levels of activity who are trying to overcome traumatic and degenerative injuries involving the shoulder and elbow. Dr. Flanagin believes in providing personal and compassionate care which is tailored specifically in order to meet the individual needs of his patients and help them achieve an active, pain-free lifestyle. He is an active fellow of the American Academy of Orthopaedic Surgeons and member of the Arthroscopy Association of North America (AANA) and American Shoulder & Elbow Surgeons (ASES). He is the author of many peer-reviewed scientific papers and book chapters and has presented at national meetings.
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Pain Management
Brody A. Flanagin, MD
Orthopedic Surgery
Brody Flanagin, MD is a board-certified orthopaedic surgeon specializing in arthroscopic, reconstructive, and replacement surgery of the shoulder and elbow.
He has a particular interest in complex arthroscopic and open reconstructive and replacement surgery of the shoulder as well as treatment of fractures involving the shoulder. Dr. Flanagin earned his medical degree at the University of Chicago Pritzker School of Medicine before completing his residency in orthopaedic surgery at the Yale University School of Medicine. He then completed a fellowship in Shoulder & Elbow surgery in Dallas at the Carrell Clinic/Baylor University Medical Center. Following his fellowship, Dr. Flanagin spent additional time with Dr. Gilles Walch and Prof. Pascal Boileau in France before starting his practice learning advanced shoulder reconstructive techniques.
Dr. Flanagin treats patients of all ages and levels of activity who are trying to overcome traumatic and degenerative injuries involving the shoulder and elbow. Dr. Flanagin believes in providing personal and compassionate care which is tailored specifically in order to meet the individual needs of his patients and help them achieve an active, pain-free lifestyle. He is an active fellow of the American Academy of Orthopaedic Surgeons and member of the Arthroscopy Association of North America (AANA) and American Shoulder & Elbow Surgeons (ASES). He is the author of many peer-reviewed scientific papers and book chapters and has presented at national meetings.
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Podiatry
Brody A. Flanagin, MD
Orthopedic Surgery
Brody Flanagin, MD is a board-certified orthopaedic surgeon specializing in arthroscopic, reconstructive, and replacement surgery of the shoulder and elbow.
He has a particular interest in complex arthroscopic and open reconstructive and replacement surgery of the shoulder as well as treatment of fractures involving the shoulder. Dr. Flanagin earned his medical degree at the University of Chicago Pritzker School of Medicine before completing his residency in orthopaedic surgery at the Yale University School of Medicine. He then completed a fellowship in Shoulder & Elbow surgery in Dallas at the Carrell Clinic/Baylor University Medical Center. Following his fellowship, Dr. Flanagin spent additional time with Dr. Gilles Walch and Prof. Pascal Boileau in France before starting his practice learning advanced shoulder reconstructive techniques.
Dr. Flanagin treats patients of all ages and levels of activity who are trying to overcome traumatic and degenerative injuries involving the shoulder and elbow. Dr. Flanagin believes in providing personal and compassionate care which is tailored specifically in order to meet the individual needs of his patients and help them achieve an active, pain-free lifestyle. He is an active fellow of the American Academy of Orthopaedic Surgeons and member of the Arthroscopy Association of North America (AANA) and American Shoulder & Elbow Surgeons (ASES). He is the author of many peer-reviewed scientific papers and book chapters and has presented at national meetings.
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Foot & Ankle
Sheena R. Black, MD
Orthopedic Surgery
Sheena Black, MD is an orthopedic surgeon specializing in orthopedic sports medicine and arthroscopic procedures.
Her particular interests include arthroscopic treatment of injuries of the knee, shoulder, and hip as well as reconstructive and replacement surgery of the knee and shoulder.
After graduating summa cum laude from The University of Texas at Austin, Dr. Black attended medical school at the University of Texas Southwestern Medical School where she was inducted into the Alpha Omega Alpha Honor Society, an honor given to those graduating in the top 10% of their class. Her post-graduate training includes an Orthopedic Surgery Residency at the University of Texas Southwestern Medical Center and Parkland Hospital in Dallas, TX.
Dr. Black completed a Sports Medicine and Shoulder Surgery Fellowship at The Hospital for Special Surgery in New York, NY, where she trained directly under many of the world’s top experts in orthopedic sports medicine and hip, shoulder, and knee arthroscopy and reconstruction. During her fellowship, she was an assistant team physician for the New York Knicks and Iona College.
Throughout her clinical training, Dr. Black has been involved in research in the field of orthopedics. She is the author of many peer-reviewed scientific papers and has presented at national meetings. She is a member of the American Academy of Orthopedic Surgeons, the American Orthopedic Society for Sports Medicine, and the Arthroscopic Association of North America.
In her spare time, Dr. Black enjoys spending time with her husband and chasing after their son and Labrador. She is also a sports enthusiast and likes staying active with running, golfing, skiing, yoga, and group fitness classes.
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Daniel Cooper, MD
Orthopedic Surgery
Dr. Cooper is a widely recognized authority in the field of sports medicine, sub-specializing in injuries to the knee and shoulder.
He treats all types of athletes; professionals, collegiate, high school and recreational. He is currently the head team physician for the Dallas Cowboys Football Team and formerly for the Dallas Stars Hockey Team (1993-2011). He has served as a team physician in professional sports for over 30 combined seasons.
Dr. Cooper’s practice primarily focuses on minimally invasive arthroscopic and reconstructive surgical techniques for the knee and shoulder that restore stability and joint function in young athletic individuals. Dr. Cooper is an internationally known expert in the treatment of complex knee ligament injuries involving injury to the anterior cruciate, posterior cruciate and collateral ligaments, and his practice serves as a referral center for difficult and revision cases. Additionally, he is the inventor and co-developer of the new Single Portal Arthroscopy system (Stryker Endoscopy) that offers an innovative way to perform arthroscopic surgery with fewer incisions than ever before.
In addition to his current affiliation with the Dallas Cowboys, Dr. Cooper has been retained as a consultant to Real Madrid Club Futbol in Liga BBVA of the Spanish Premier Division – the world’s #1 & 2 valued sports franchises. He serves as an independent consultant to numerous collegiate and professional teams, sports agents and their players. Dr. Cooper has published widely on his surgical techniques and is a frequent speaker at national and international sports medicine meetings.
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Andrew Dold, MD
Orthopedic Surgery
Dr. Andrew Dold is a fellowship-trained orthopedic surgeon who specializes in arthroscopic procedures of the hip, knee, and shoulder.
Full Biography
He has been in practice in the Dallas, Texas area since 2016 and is the director of sports medicine at Star Orthopedics and Sports Medicine. Dr. Dold is widely considered an expert in biologic treatments including platelet-rich plasma (PRP) and stem cell therapies for the management of cartilage and other musculoskeletal sports-related injuries.
Dr. Dold completed his medical school at Trinity College, University of Dublin in Ireland. He then completed his orthopedic surgery residency training at the University of Toronto in Canada. After residency, Dr. Dold completed a fellowship in orthopedic sports medicine and arthroscopy at New York University’s Langone Medical Center and the Hospital for Joint Diseases. Dr. Dold’s research interests have included platelet-rich plasma (PRP) and stem cell therapy for arthritis and cartilage injuries, hip arthroscopy, labral reconstruction of the shoulder, meniscal repair of the knee, and anterior cruciate ligament (ACL) reconstruction of the knee. He has published numerous book chapters and scientific papers in peer‐reviewed journals including American Journal of Sports Medicine (AJSM), Clinical Orthopaedics and Related Research (CORR), Knee Surgery, Sports Traumatology, and Arthroscopy (KSSTA), Clinical Journal of Sports Medicine, Journal of Arthroscopy, and The Journal of the American Academy of Orthopaedic Surgeons (JAAOS). His research has been presented at numerous regional, national, and international conferences. He is a principal reviewer for Journal of Arthroscopy, American Journal of Sports Medicine (AJSM), and Orthopaedic Journal of Sports Medicine (OJSM). He continues to serve as a lead author and senior editor for OrthoBullets.com.
Dr. Dold has served as team physician and surgical consultant for both the men’s and women’s Canadian Rugby Teams, the Mississauga Steelheads of the Ontario Hockey League, and the NFL Scouting Combine in Indianapolis. He is currently the head team physician for Reedy High School (Frisco ISD), Dallas Reds Rugby Football Club, and Dallas Griffins Rugby Club of Major League Rugby (MLR). He is the medical director of the Gatorade Sports Science Institute (GSSI) at The Star. He has received a number of prestigious awards and honors, including a Top Doctor Award from the International Association of Orthopedic Surgeons in 2017 and a Rising Star Award from SuperDoctors in 2018. He was named to the Top 40 Under 40 list by USA Top 100 Magazine in 2018.
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Brody A. Flanagin, MD
Orthopedic Surgery
Brody Flanagin, MD is a board-certified orthopaedic surgeon specializing in arthroscopic, reconstructive, and replacement surgery of the shoulder and elbow.
He has a particular interest in complex arthroscopic and open reconstructive and replacement surgery of the shoulder as well as treatment of fractures involving the shoulder. Dr. Flanagin earned his medical degree at the University of Chicago Pritzker School of Medicine before completing his residency in orthopaedic surgery at the Yale University School of Medicine. He then completed a fellowship in Shoulder & Elbow surgery in Dallas at the Carrell Clinic/Baylor University Medical Center. Following his fellowship, Dr. Flanagin spent additional time with Dr. Gilles Walch and Prof. Pascal Boileau in France before starting his practice learning advanced shoulder reconstructive techniques.
Dr. Flanagin treats patients of all ages and levels of activity who are trying to overcome traumatic and degenerative injuries involving the shoulder and elbow. Dr. Flanagin believes in providing personal and compassionate care which is tailored specifically in order to meet the individual needs of his patients and help them achieve an active, pain-free lifestyle. He is an active fellow of the American Academy of Orthopaedic Surgeons and member of the Arthroscopy Association of North America (AANA) and American Shoulder & Elbow Surgeons (ASES). He is the author of many peer-reviewed scientific papers and book chapters and has presented at national meetings.
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Paul Ghattas, DO
Orthopedic Surgery
Dr. Paul Ghattas is a fellowship-trained orthopedic surgeon who specializes in arthroscopic procedures of the shoulder, elbow, and knee.
He has been in practice in the Dallas, Texas area since 2016, and is the director of shoulder and elbow surgery at Star Orthopedics and Sports Medicine. Dr. Ghattas is widely considered as an expert in reconstructive and arthroscopic surgery of the upper extremity.
Dr. Ghattas completed his medical school at Nova Southeastern University in Ft. Lauderdale, Florida. He then completed his orthopedic surgery training in Tennessee at the Wellmont/Lincoln Memorial University Orthopedic Residency Program. During his residency he trained at multiple nationally recognized institutions including: Cincinnati Children’s Hospital, the Hughston Clinic, and the University of South Florida. After residency, Dr. Ghattas completed a subspecialty fellowship at the prestigious WB Memorial Carrell Clinic here in Dallas, Texas. Dr. Ghattas has published numerous book chapters and scientific papers in peer‐reviewed journals including The American Journal of Orthopedics (AJO), Reconstructive Review, and Orthopedic Journal of Sports Medicine (OJSM). Most recently he has published book chapters on the Latarjet Procedure, History of Reverse Total shoulder, and the Superior Approach to the Shoulder.
His research has been presented at numerous regional and national conferences, including the AOAO annual meeting, and Tennessee Orthopedic Society. During his training Dr. Ghattas has served as an ancillary sports medicine physician for the SMU Mustangs and the Dallas Mavericks. He has received a number of prestigious awards and honors, including Sigma Sigma Phi National Honor Society, and the Cecil B. Hall Academic Scholar Award.
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Alexander Glogau, MD
Orthopedic Surgery
Dr. Glogau is a graduate of Downstate Medical Center/State University of New York at Brooklyn and holds additional degrees from John Hopkins University and City University.
He completed his surgical residency at Maimonides Medical Center in Brooklyn, where he also served as chief resident in the final year of the program. Dr. Glogau is a board-certified and fellowship trained orthopedic surgeon who specializes in sports medicine and the arthroscopic and reconstructive surgery of the knee and shoulder with a Certificate of Added Qualification in Sports Medicine. Dr. Glogau has been the co-director of the Plano/Associated Orthopedic Sports Medicine Fellowship since 1990. In addition, he has chaired the Department of Orthopedics at Presbyterian Hospital of Plano as well as Medical Center of Plano.
He presently serves as an adjunct assistant professor of the Department of Physician Assistant Studies at the University of Texas Southwestern Medical Center and on the Executive Board. He is the official team physician for the Texas Legends professional basketball team in Frisco, Texas, Plano Senior High School and John Paul II High School.
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Sean Haslam, MD
Orthopedic Surgery
Sean Haslam, MD, FRCSC is a fellowship trained orthopedic surgeon specializing in sports medicine and joint replacement.
His particular interests include knee injuries, arthritis, ACL injuries and rotator cuff tears. Dr. Haslam received his medical degree from the University of Calgary, Calgary, Alberta and completed his orthopedic residency at Queens University, Kingston, Ontario. He serves as team physician for Lone Star High School in Frisco, Texas.
Dr. Haslam serves as Department Chair for Orthopedics and Neurosurgery at Centennial Medical Center in Frisco, Texas. Dr. Haslam is a member of the American Academy of Orthopaedic Surgeons, American Orthopaedic Society for Sports Medicine, and the Texas Orthopaedic Association. He is certified by the Royal College of Physicians and Surgeons of Canada. Outside of work, Dr. Haslam enjoys spending time with his wife and six children. He enjoys football, soccer and mastering his pit barbecue skills.
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John Heinrich, MD
Orthopedic Surgery
Dr. John Heinrich practices general orthopedics with an emphasis on sports medicine and arthroscopic procedures as well as joint replacement of both the shoulder and knee.
His particular interests include treatment of ligament injuries of the shoulder and knee. He specializes in cartilage restoration and repair. He also specializes in knee and shoulder arthritis and does joint replacement of the shoulder and knee as well as partial and minimally invasive knee replacement surgery.
After graduating from Southern Methodist University, Dr. Heinrich attended medical school at the Indiana University School of Medicine where he was awarded the Raymond Nicholson Scholarship for academic excellence. His post-graduate training includes a Surgical Internship and an Orthopedic Residency at the University of Texas Southwestern Medical Center in Dallas. Dr. Heinrich completed a Sports Medicine Fellowship at Methodist Sports Medicine/Indiana University in Indianapolis. During his fellowship, he was team physician for Indiana State University and a member of the Indianapolis Colts medical staff. In addition, he also served as a consultant for the NFL combine for the 2009 NFL draft. His research interests include cartilage injuries of the knee and imaging modalities for evaluating ligamentous injuries of the wrist. He is a member of the American Academy of Orthopedic Surgeons, the American Orthopedic Society for Sports Medicine, and the Arthroscopic Association of North America.
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Michael Khair, MD
Orthopedic Surgery
Michael Khair, MD received his medical degree from Thomas Jefferson University in Philadelphia, PA.
Full Biography
Orthopedic surgeons specialize in all aspects of musculoskeletal care. Dr. Khair received additional training in Orthopedic Sports Medicine. His practice focuses on: arthroscopic surgery of the shoulder, hip and knee, sports injuries, cartilage restoration, open shoulder surgery, shoulder replacement and trauma.
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Adam Kouyoumijian, DO
Orthopedic Surgery
Dr. Kouyoumijian received his undergraduate degree from the University of Rochester in New York.
He earned his medical degree with honors from the Chicago College of Osteopathic Medicine. He completed his orthopedic surgical residency at North Shore University Hospital in New York, graduating with the distinction of chief resident.
Dr. Kouyoumijian is a board-certified and fellowship trained orthopedic surgeon who specializes in sports medicine and arthroscopic and reconstructive surgery of the shoulder, knee, hip, elbow and ankle. He also performs minimally invasive total joint replacement surgery. In addition, he also utilizes Computer Navigation technology during his total knee and hip replacement surgeries for the most precise reconstruction of normal joint anatomy. (please note: Computer Navigation technology is only available at some healthcare facilities, please discuss with Dr. K and his staff prior)
Dr. Kouyoumijian is a member of the American Academy of Orthopedic Surgeons, the Arthroscopy Association of North America, Texas Society of Sports Medicine and the Collin County Medical Society. He serves as a clinical instructor for advanced arthroscopic surgery for the Arthroscopy Association of North America, and also supports the American Board of Orthopedic Surgeons as an official examiner for the Orthopedic Board Certification Exam.
Dr. Kouyoumijian also has a long standing history as the team physician for Liberty High School of Frisco.
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Karim Meijer, MD
Orthopedic Surgery
Dr. Meijer is an orthopaedic surgeon specialized in sports medicine and arthroscopic surgery of the shoulder, elbow, and knee.
He received his fellowship training at the internationally known Andrews Institute in Gulf Breeze, Florida under the guidance of Dr. James R. Andrews. During his fellowship, Dr. Meijer was involved in team coverage for the Washington Redskins, Auburn Tigers Football Team, Pensacola Blue Wahoos Baseball Team (affiliate of the Cincinnati Reds), and many local high school teams. Working with Dr. Andrews and the many talented physicians at the Andrews Institute, Dr. Meijer learned both the clinical and operative skills necessary to treat athletic injuries. Specifically, he specializes in Ulnar Collateral Ligament reconstruction of the elbow (“Tommy John Surgery”), ACL reconstruction, and shoulder instability.
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William Montgomery, MD
Orthopedic Surgery
Dr. William Montgomery is certified by the American Board of Orthopedic Surgeons.
He limits his practice to hip replacements, total knee replacements and partial knee replacements. Dr. Montgomery has been in the community for 20 years and has performed a large volume of hip and knee replacements. He believes in treating the patient as a whole and bases his practice on a personal relationship with his patient throughout the surgical process. You will routinely see him at office visits and on rounds in the hospital.
Dr. Montgomery believes that treating arthritis is a planned process and he will spend time talking with you, discussing what plan meets your needs and expectations. Dr. Montgomery will discuss if you are a candidate for a partial or total knee replacement. He also offers hip surgery using the anterior supine approach.
Dr. Montgomery grew up in Caldwell ,TX. He is married and has two sons. He enjoys raising cattle and working on the land.
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Mark Muller, MD
Orthopedic Surgery
Mark Muller, MD, joined the Carrell Clinic™ in 2008 as a board-certified orthopedic surgeon with expertise in sports related injuries of the knee, hip, and shoulder.
He serves as a team physician for the Dallas Cowboys. He has previously served as the head team physician for the Dallas Stars.
As the son of an Air Force pilot and physician, Dr. Muller grew up in a number of diverse places from Alaska to Texas. His family finally settled in Austin, Texas where he attended high school and they remain in the Texas hill country today. He graduated Magna Cum Laude from Wake Forest University in North Carolina and returned home to Texas for medical training at the University of Texas Southwestern Medical School in Dallas. He remained in Dallas for a general surgery internship at Parkland Hospital prior to entering active duty in the Air Force as a flight surgeon. Dr. Muller served in the USAF Special Operations Command and was stationed at Hurlburt Field Air Force Base in Florida. During his time with this unit, Dr. Muller commanded the medical operations on multiple clandestine deployments, including trips to the Middle East, South America, and Korea. He supported one of the country’s most elite combat search and rescue squadrons and served as the unit’s leader in the medical response to chemical and biologic weapons.
Dr. Muller returned to Dallas for orthopedic surgery residency at UT Southwestern Medical Center. He received multiple distinctions for his academic and clinical performance during his orthopedic surgical training. After completing his residency, he returned to the Air Force and was stationed at Travis Air Force Base in California. He served two years as a military orthopedic surgeon in California. His assignment included a 5 month deployment to provide medical support for Operation Iraqi Freedom and Operation Enduring Freedom in Qatar and Kuwait.
After resigning his commission from the military, Dr. Muller was selected for the prestigious Sports Medicine and Shoulder Surgery Fellowship at Cornell University’s Hospital for Special Surgery in New York City. During his fellowship, Hospital for Special Surgery was selected by US News and World Report as the premiere orthopedic institution in the country. Dr. Muller trained with world-renowned experts in sports medicine and gained expertise in the latest techniques in knee, hip, shoulder, elbow, and ankle arthroscopy. His responsibilities included orthopedic coverage for the New York Giants during the Super Bowl Championship 2007-2008 season. He provided sideline coverage the entire season, including the NFC Championship Game at Lambeau Field and Super Bowl XLII in Arizona. Dr. Muller’s research included knee ligament biomechanical studies and clinical evaluation of lower extremity tendon injuries. He has published in multiple journals and presented at many local and national meetings, including the annual NFL Team Physician Society Meeting and the annual NHL Team Physician Society Meeting.
Dr. Muller is board-certified in orthopedic surgery and subspecialty certified in sports medicine by the American Board of Orthopedic Surgery. He is an active member of many professional organizations including the American Academy of Orthopedic Surgeons, the American Orthopedic Society for Sports Medicine, and the Texas Medical Association. In addition, he serves as an associate master instructor in hip arthroscopy for the Arthroscopy Association of North America.
Dr Muller enjoys spending his rare free time with his wife and two daughters.
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Richard D. Rhodes, Jr., MD
Orthopedic Surgery
Richard Rhodes, MD specializes in arthroscopic and reconstructive surgery of the shoulder, knee and hip. Dr. Rhodes is board certified in Orthopedic Surgery and Sports Medicine.
Dr. Rhodes attended UT Southwestern Medical School and completed his residency at the Fort Wayne Medical Education Program in Fort Wayne, Indiana. Upon completing his residency, Dr. Rhodes served in the military as Chief of Orthopedics for the Sixth Air Mobility Wing and U.S. Special Operations Command. He trained with two of the country’s top shoulder surgeons and provided advanced treatment for Green Berets, Navy Seals, Marine Force Recon and Air Force Special Operations. He also served as team physician for the Special Operations Parachute Demonstration Team.
Dr. Rhodes has served as team physician for multiple professional and amateur sports in DFW. Dr. Rhodes has cared for athletes from the WNBA, Texas Revolution, Dallas Jr Stars, WTA tennis, MMA, Professional Crossfit, and countless high school, college and amateur athletes.
Having attended undergrad at Texas A&M University, he loves cheering on the Aggies with his wife and two young children. He’s also a fan of Texas high school sports, the Texas Rangers and the Dallas Cowboys. In his spare time, Dr. Rhodes enjoys volunteering with youth, golfing and target shooting.
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Daniel Worrel, MD
Orthopedic Surgery
A native Texan, Daniel A. Worrel, MD, joined the Carrell Clinic™ in 2005.
Dr. Worrel completed his undergraduate studies at Southern Methodist University on academic scholarship where he played on the varsity soccer team until sidelined by his own orthopedic injuries. He graduated with Honors in the Liberal Arts with a degree in Biomedical Engineering. Dr. Worrel is the head team physician for the Dallas Mavericks Basketball team and the assistant team physician for Southern Methodist University.
Dr. Worrel graduated from the University of Texas Southwestern Medical School in Dallas, where he was also an Iatros award finalist his senior year. Dr. Worrel completed his internship in General Surgery at University of Florida, Gainesville, Florida. Dr. Worrel completed his residency at the University of Florida where he participated in the care of the Florida Gators. He served as Academic and Chief Resident in Orthopedics and Rehabilitation. Dr. Worrel completed a traveling fellowship in elbow surgery with the Mayo Clinic in Rochester, Minnesota with Dr. Bernard Morrey, world-renowned expert in elbow surgery, as well as a traveling fellowship in shoulder and elbow surgery/sports medicine with the Kerlan-Jobe Clinic and the University of Southern California in Los Angeles, California.
Dr. Worrel’s interests include disorders of the elbow, shoulder, and knee. He performs arthroscopic surgery, reconstructive (ligament reconstruction and instability) surgery, as well as arthroplasty (joint replacement). He treats sports injuries and fractures of the upper extremity. In addition to treating the athletes of the Dallas Mavericks and SMU, Dr. Worrel treats athletes at all levels. He has provided coverage for The Byron Nelson Classic since 2006, The Cotton Bowl, as well as professional rodeo, baseball, and hockey.
Dr. Worrel has a special interest in treating disorders of the elbow. He performs minimally invasive repairs of biceps ruptures as well as arthroscopic treatment of degenerative, stiff, or traumatized elbows. He also performs ligament reconstruction of the shoulder, elbow, and knee. Dr. Worrel believes very strongly in the importance of an open and honest patient-physician relationship and feels knowledgeable patients make the best decisions about their own treatment. Dr. Worrel feels it is his responsibility to make sure patients are well informed about their conditions and the multiple choices of treatment.
Dr. Worrel has medical staff privileges at North Central Surgical Center, Baylor University Medical Center, and Presbyterian Hospital of Dallas.
Dr. Worrel is a member of the American Academy of Orthopedic Surgeons, Arthroscopy Association of North America, member of the American Medical Association, as well as member of both the Texas Medical Association and Dallas County Medical Society. Dr. Worrel is married with two daughters and enjoys golf, hunting, and his two Labrador retrievers.
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Khalid Yousuf, MD
Orthopedic Surgery
Khalid Yousuf, MD, MS joins us from his busy practice in Chicago, IL. He is a native of Texas and has moved back to be with his family.
Dr. Yousuf’s practice focuses on hip and knee replacements. He utilizes surgical and technological advancements to offer his patients relief from joint pain, including partial knee replacements and anterior hip approach. He received advanced training in joint replacement surgery at the Mayo Clinic in Rochester, MN. Dr. Yousuf attended medical school at Louisiana State University in New Orleans and completed his orthopedic residency at the University of Oklahoma. He is board certified and recently achieved the distinction of being a Certified Physician Executive, by the American Association of Physician Leaders. In 2016, he was presented the Healing Hands award by the Little Company of Mary Hospital in Chicago, IL.
Dr. Yousuf is actively involved in teaching residents and medical students and has participated as an instructor for the American Academy of Orthopedic Surgery Residents course in Arthroplasty. He is a Fellow of the American Association of Hip and Knee Surgeons and certified to perform Robotic joint replacements.
Dr. Yousuf enjoys spending time with his wife and three daughters. They love cooking, traveling and swimming together. He is an avid car enthusiast. In his younger years, he used to quarter mile race his Camaro Z28 and Trans Am. He now rarely goes over the speed limit!
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