Dr. Peter T Otis . Hematology, Internal Medicine, Hematology/Oncology, Medical Oncology ... Santa Ana, CA 92705 . Is this you? Claim your profile . Phone Number Write A Review . Featured Providers Near You Sponsored Results . Dr. Maryam Poursartip, MD . Internal Medicine, Diabetes, Family Medicine, Holistic Medicine, TeleMedicine (6) VIEW FULL ....