Dr. Ellen Mae Tambunan, MD

Dr. Ellen Tambunan is a family medicine physician with over four decades of clinical experience serving patients in Southern California. She earned her medical degree from Manila Central University-Filemon D Tanchoco Foundation College of Medicine and completed her residency training at St. Johns Hospital. With 41 years in practice, Dr. Tambunan brings extensive knowledge to comprehensive primary care. She is fluent in both English and Spanish, allowing her to serve diverse patient populations.

Dr. Tambunan practices at multiple locations throughout Rancho Cucamonga, Loma Linda, and Redlands, California, including several VA medical facilities. Her clinical focus includes managing diabetes and helping patients control their cholesterol levels. She regularly performs essential diagnostic tests such as complete blood counts, A1c monitoring for diabetes management, and lipid panels to assess cardiovascular health. Patients have given Dr. Tambunan an average rating of 3.0 on Vitals.