Dr. Omar Dimachkieh is an Assistant Professor in the Department of Orthopedic Surgery at McGovern Medical School at UTHealth Houston.

Dr. Dimachkieh specializes in hand and upper extremity surgery with an emphasis on disorders of the hand, wrist, and elbow. His expertise includes the latest and most advanced techniques for minimally invasive surgery and reconstructive treatments, as well as nonsurgical management and rehabilitation.

Dr. Dimachkieh is a native Houstonian and has called Houston his home for over 30 years. Out of high school, he was admitted to the highly competitive Rice-Baylor Medical Scholar Program. At Rice University, he was selected for membership in the Phi Beta Kappa honor society.

After graduating from Rice University with magna cum laude honors, he moved across the street to Baylor College of Medicine for medical school. He continued at Baylor College of Medicine for his orthopedic surgery residency training, where he provided care for patients from all walks of life throughout the Texas Medical Center, including the Veterans Administration hospital, Texas Children’s Hospital, MD Anderson Cancer Center, and Ben Taub General Hospital.

During residency training, Dr. Dimachkieh was honored with the Resident Physician Teaching Award, given to the resident physician that performs as an outstanding educator of medical students. He was also elected by his peers to the prestigious Alpha Omega Alpha medical honors society, an honor given to a single resident physician per year, for exemplary service to the medical community.

He continued his subspeciality training, completing a Hand and Upper Extremity surgery fellowship at the University of Colorado, where he received advanced training in common as well as complex hand and upper extremity injuries and conditions. Dr. Dimachkieh performs the latest procedures in hand and upper extremity surgery, including endoscopic carpal and cubital tunnel releases, tendon and nerve repair, arthroscopy, fracture fixation, and joint reconstruction and replacement.

Dr. Dimachkieh is a member of several professional organizations, including the American Academy of Orthopedic Surgeons, the American Society for Surgery of the Hand, and the American Association for Hand Surgery.


Undergraduate Degree
B.S. Biochemistry, Rice University, Houston, Texas
Medical School
Baylor College of Medicine, Houston, Texas
Baylor College of Medicine, Houston, Texas
Hand and Upper Extremity Surgery Fellow, University of Colorado, Denver, Colorado


1. Dimachkieh O, Stal DN, Jones H, Noble PC. Common Areas of Articulation of the Native Patella and Tibia on the
Femur. Orthopedic Research Society, 2010.
2. Dimachkieh O, Stal DN, Jones H, Noble PC. The Femur Articulates With Both the Patella and the Tibia During
Functional Activities. American Association of Hip and Knee Surgeons, April 2010.
3. Stal DN, Dimachkieh O, Jones H, Noble PC. The Impact of Implant Design Regarding Patellofemoral Morphology.
Orthopedic Research Society, 2010.
4. Stal DN, Dimachkieh O, Jones H, Noble PC. Variations in the Morphology of the Patellofemoral Sulcus of TKA
Designs. American Association of Hip and Knee Surgeons, April 2010.