Medical Team


Our team of joint replacement specialists is here to ensure you live an active and pain-free lifestyle. To schedule your one-on-one consultation with one of our physicians, please call 972-403-2843.

Donald Hohman, MDDonald Hohman, M.D.

Hip & Knee Replacement Specialist

Donald W. Hohman Jr., M.D., is a fellowship-trained orthopedic surgeon (Brigham and Women's hospital of the Harvard Medical School, Boston, MA) in private practice specializing in total joint replacement and adult reconstructive procedures of the hip and knee. Dr. Hohman specializes in minimally invasive muscle sparing techniques for the primary surgical care of hip and knee arthritis.

Dr. Hohman completed his orthopedic surgical training at the State University of New York at Buffalo and served as the administrative chief resident in his final year of residency training. He completed his fellowship training in Adult Reconstruction and Total Joint Arthroplasty at the Brigham and Women's hospital where he worked as an associate orthopedic surgeon before joining the joint replacement program at Texas Health Center for Diagnostics & Surgery.

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Keith Heier, MDKeith Heier, M.D.

Ankle Replacement Specialist

Dr. Heier is an orthopedic surgeon specializing in surgery and reconstruction of the foot and ankle due to trauma and sports-related injuries. He performs complex reconstructions, including fusions, total ankle replacements, and arthroscopy. Dr. Heier is one of few surgeons across the country board certified in orthopedic surgery, fellowship trained in foot and ankle surgery, and subspecialty certified in sports medicine.

A graduate of the University of Pennsylvania, Dr. Heier received his medical degree at the University of Florida, where he ranked third in his class. He completed his surgical residency at Baylor College of Medicine and received his fellowship training in foot and ankle surgery at Florida Orthopedic Institute in Tampa, under the direction of top orthopedic foot and ankle trauma doctors Roy Sanders and Arthur Walling.

Dr. Heier serves as a consultant for Small Bone Innovations, Inc., teaching orthopedic surgeons how to successfully perform surgical replacements with their STAR™ ankle,” the only 3-piece mobile bearing total ankle available in the United States. From 1995 to 2005, he consulted for the Agility™ ankle, which was the first commonly used prosthesis. Dr. Heier also has extensive experience using the Salto Talaris™ ankle, by Tornier, in total ankle replacement surgeries.

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L.D. Jennings, MDL.D. Jennings, M.D.

Knee Replacement Specialist

Dr. Jennings earned his medical degree at the University of Texas Health Science Center at Houston in 1981 and completed a residency in orthopedic surgery at Louisiana State University in New Orleans, Louisiana, in 1986.

He was selected as a fellow in sports medicine and knee surgery at the Southern California Center for Sports Medicine in Los Angeles, California. Dr. Jennings began his practice in Orthopedic Surgery and Sports Medicine in 1987 in Plano and Carrollton, Texas.

Dr. Jennings specializes in knee and shoulder surgery, as well as sports medicine and general trauma. He is president and founder of the Texas Knee and Sports Medicine Center in Carrollton, Texas. He was board certified in orthopedic surgery in 1992 and re-certified in 1999 and 2009.

Karim MejierKarim Meijer, M.D.

Shoulder & Knee Replacement Specialist

Dr. Karim Meijer is a fellowship-trained sports medicine orthopedic surgeon specializing in shoulder, elbow and knee disorders, including joint replacement. He received his fellowship training at the internationally known Andrews Institute under the guidance of Dr. James R. Andrews. Dr. Meijer learned both the clinical and operative skills necessary to treat injuries from minimally invasive arthroscopic procedures to joint reconstructions of the shoulder and knee.

As a former University of Texas football player on the 2005 BCS National Championship team, Dr. Meijer knows first-hand what an injury means to an athlete. His background provides the foundation for his treatment philosophy and motivation to treat all patients that desire an active lifestyle. After graduating summa cum laude from the University of Texas, Dr. Meijer attended medical school at UT Southwestern in Dallas where he was elected to the Alpha Omega Alpha honor society. He completed his residency at Louisiana State University in New Orleans, Louisiana, prior to being selected by Dr. Andrews for his sports medicine fellowship.

Dr. Meijer has published many papers on shoulder, elbow and knee surgery in peer-reviewed journals and contributed to a textbook chapter concerning elbow injuries in throwing athletes. His research interests include shoulder and elbow injuries in overhead athletes, ACL reconstruction, and joint replacements.

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Mary Anne BrowneMary Anne Browne, R.N.

Total Joint Replacement Program Coordinator

Mary Anne Brown, R.N., is the coordinator of the Joint Replacement Program at Texas Health Center for Diagnostics & Surgery. Ms. Browne has over 25 years nursing experience, much of it in surgical services.  At the hospital, she advocates for those needing joint replacement surgery, educating them and their families before, during and after their procedure.

Call 972-403-2843 to speak to Mary Anne and to schedule your personal consultation with one of our joint replacement specialists.