His average patient rating is 5.0 stars out of 5. Dr. Deirmengian's clinical interests include knee replacement, patellar tendonitis (jumper's knee), and paget's disease. His hospital/clinic affiliations include Thomas Jefferson University Hospital, Rothman Institute, and Lankenau Medical Center. He is an in-network provider for several insurance carriers, including Coventry, United Healthcare HSA, and United Healthcare HMO. Dr. Deirmengian's practice is open to new patients. He is a graduate of Harvard Medical School. He trained at Hospital of the University of Pennsylvania for his residency. Dr. Deirmengian (or staff) speaks the following foreign languages: Spanish and Armenian.