Dr. John Chung-Chieh Feng, MD

Dr. John Feng specializes in internal medicine, bringing twelve years of experience to comprehensive adult healthcare. He earned his medical degree from the David Geffen School of Medicine at UCLA and completed his residency through the UCLA San Fernando Valley Program. This strong academic foundation has equipped him to manage complex medical conditions and provide preventive care for adult patients.

Dr. Feng practices at Olive View UCLA Medical Center and maintains offices in El Cajon, Sylmar, and Newport Beach, California. He focuses on managing cardiovascular health conditions, including high cholesterol and hypertension. Dr. Feng also provides preventive screenings such as substance use disorder assessments and ankle-brachial index tests to evaluate circulation and detect potential health concerns early.