Dr. Jonathan S Chien, MD

Dr. Jonathan Chien is an internal medicine physician who has been caring for patients for over four decades. He earned his medical degree from China Medical University and brings extensive experience in managing adult health conditions. Dr. Chien speaks English and has developed expertise across the full spectrum of internal medicine throughout his career.

Dr. Chien practices at multiple locations in Montebello and Los Angeles, California, including Beverly Hospital and Optum Montebello. He focuses on managing diabetes and high blood pressure, two of the most common chronic conditions affecting adults today. His practice includes routine blood work and preventive care such as flu vaccinations. Patients have given Dr. Chien an average rating of 4.6, reflecting their confidence in his care.