Internal Medicine in Oakland, California
Data updated monthly · Last refresh September 2026
434 Internal Medicine providers practice in Oakland, and 15% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Oakland
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. David Bliss, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 987-1000 Dr. David Moskowitz, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 437-4884 Dr. David Tian, M.D.Oakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 437-5039 Dr. Deenu MaharjanOakland, CA · No drug or device payments recorded (2025) ·
(669) 900-2645 Dr. Denise Fuson, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Dennis Huynh, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Dennis Ing, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 908-2513 Dr. Diana Sweet, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Diana Sylvestre, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 834-5442 Dr. Diego Fernandez, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 869-6883 Dr. Dipankar Ghosh, DOOakland, CA · No drug or device payments recorded (2025) ·
(707) 373-4585 Dr. Divya Laxmikant, M.DOakland, CA · No drug or device payments recorded (2025) ·
(408) 718-4738 Dr. Donna Abare, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Douglas Chartier, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Douglas Epperson, MDOakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 752-1000 Dr. Edgar AsiimweOakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 663-6331 Dr. Eduardo Guillen, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 437-5039 Dr. Edward Cohen, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Eileen Gaspar, M.D.Oakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 752-7867 Dr. Eileen Kim, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Elaina Guerin, D.O.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 535-7540 Dr. Elijah Lustig, DOOakland, CA · No drug or device payments recorded (2025) ·
(510) 384-9737 Dr. Elizabeth Vassallo-deluca, M.D.Oakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 752-1190 Dr. Eliza Chin, MDOakland, CA · $5,905 in drug and device payments (2025) ·
(510) 891-8519 Dr. Emily Park, MDOakland, CA · $124 in drug and device payments (2025) ·
(510) 869-8751 Dr. Erica Sobel, DOOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-5220 Dr. Eric Lipsitt, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Esme Cullen, MD, MPHOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Esteban Lovato, M.D.Oakland, CA · $300 in drug and device payments (2025) ·
(510) 261-1677 Dr. Eugene Mcmillan, M.D.Oakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 869-6883 Dr. Eva Thomas, MDOakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 752-1000 Dr. Everett Hsu, MDOakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 752-1000 Dr. Faranak Herrera, D.O.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 437-4800 Dr. Farrell Barnett, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 304-6045 Dr. Farzad Masroor, MDOakland, CA · $227 in drug and device payments (2025) ·
(510) 752-1115 Dr. Filip Kaniski, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 437-4800 Dr. Florence Myint-dun, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Florence Tso, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Francisco Isolani, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 535-7573 Dr. Francis Wright, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Fredrick Kleinsinger, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Gayathri Kumar, MDOakland, CA · No drug or device payments recorded (2025) ·
(216) 526-2916 Dr. Geetha Tamaroon, D.O.Oakland, CA · $243 in drug and device payments (2025) ·
(510) 437-4800 Dr. Ghita Bouzarif, MDOakland, CA · $201 in drug and device payments (2025) ·
(510) 437-5039 Dr. Gina Wang, MDOakland, CA · $587 in drug and device payments (2025) · Telehealth ·
(510) 465-3588 Dr. Gita Moarefi, MDOakland, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 663-6331 Dr. Glenda NewellOakland, CA · No drug or device payments recorded (2025) ·
(510) 613-8089 Dr. Gretchen Mello, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Conditions Internal Medicine providers in Oakland, California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Oakland, California?There are 434 Internal Medicine providers with active NPI records practicing in Oakland, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Oakland received drug or device company payments?65 of 434 (15%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Oakland treat?Internal Medicine providers in Oakland commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Oakland Internal Medicine across California
