Meet Dr. Tchejeyan

Gregory H. Tchejeyan, MD.

Fellowship Trained, Board Certified Orthopaedic Surgeon, Diplomate, American Board of Orthopaedic Surgery

Dr. Gregory H. Tchejeyan is a Fellowship-trained orthopaedic surgeon specializing in Joint Replacement and Sports Medicine. He trained in New York at the world-renowned Insall Scott Kelly Institute, where he assisted the team doctors for the Knicks and Yankees. Now practicing in Southern California, he focuses on Orthopaedic Surgery, Hip and Knee Replacement, Sports Medicine, Computer Assisted Surgery (CAS) / Navigation, and Minimally Invasive Surgery (MIS).

With a strong foundation in general orthopaedics, Dr. Tchejeyan is dedicated to providing the highest quality care by utilizing the latest advancements in technology. Over the past 25 years, he has performed more than 12,000 surgeries, offering personalized, effective treatments to help patients regain mobility and restore their active lifestyles.

Education, Training & Publications

Adult Reconstruction and Sports Medicine Fellowship

Insall Scott Kelly Institute for Adult Reconstruction and Sports Medicine, Beth Israel Medical Center, New York, New York

Orthopaedis Surgery Internship & Residency

University of Southern California School of Medicine, Los Angeles, CA. Los Angeles County Medical Center Department of Orthopaedic Surgery, Los Angeles, CA

Medical Degree

University of Southern California School of Medicine, Los Angeles, California. Graduated Alpha Omega Alpha, Medical Honor Society

Undergraduate Degree

University of California at Santa Barbara, Santa Barbara, California. Graduated Magna Cum Laude

Professional Affiliations

  • American Academy of Orthopaedic Surgeons

  • California Orthopaedic Association

  • California Medical Association

  • Alpha Omega Alpha Medical Honor Society

  • University of Southern California Graduate Orthopaedic Society

Past Team Doctor Affiliations

  • Agoura High School

  • Oaks Christian High School

Hospital Affiliations

Watch Dr. T on Social

Follow Dr. Tchejeyan on social media for a behind-the-scenes look at surgery, pre-op preparation, and his own health journey, including Ironman training. With over 65 million views, his content highlights both the daily routine of a surgeon and his commitment to personal health and wellness.

Contact us

We’re honored to have you as a patient and look forward to building a relationship with you. If you have any questions, please feel free to contact our office, and our staff will be happy to assist you.