Internal Medicine in Martinez, California
Data updated monthly · Last refresh September 2026
48 Internal Medicine providers practice in Martinez, and 8% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Martinez
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. Abid Ahmed, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5000 Dr. Adam Buck, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5000 Dr. Alka Patel, M.D.-PH.D.Martinez, CA · No drug or device payments recorded (2025) ·
(707) 437-1983 Dr. Brian O'neill, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 372-2018 Dr. Bryan Fong, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. David Besley, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. David Brody, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(415) 846-1067 Dr. David Chapman, MDMartinez, CA · $135 in drug and device payments (2025) ·
(925) 372-2000 Dr. David Fields, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Ekaterina Malinovsky, MDMartinez, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 372-1000 Dr. Emma Swan, MDMartinez, CA · No drug or device payments recorded (2025) ·
(224) 430-3653 Dr. Eunice Liu, D.O.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1669 Dr. F. Melewicz, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Gabriela Sullivan, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. George Chuang, DOMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. George Fong, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Gerald Bourne, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5973 Dr. Gerhard Heinrich, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(510) 715-9915 Dr. Indu Gupta, MDMartinez, CA · $98 in drug and device payments (2025) · Telehealth ·
(925) 372-1000 Dr. Irina Pyrkova, M.D.Martinez, CA · $125 in drug and device payments (2025) ·
(925) 212-4286 Dr. Jeremy Fish, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Jerry Yang, MDMartinez, CA · $412 in drug and device payments (2025) · Telehealth ·
(925) 372-1000 Dr. Johanna Sharpe, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Keith WhiteMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Kenton Chung, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Lauren Choi, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 229-7756 Dr. Malini Shah, MDMartinez, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 372-1000 Dr. Mark VanhandelMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Mark WilleMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Martin BaumanMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Michael Weaver, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Nancy Lazarus, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(707) 437-1800 Dr. Neeraja Maramreddy, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Nusrat Chaudhry, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5200 Dr. Olga Likhacheva, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Oliver GrahamMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Poly Vela-victa, MDMartinez, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 372-1000 Dr. Rama Yarlagadda, MDMartinez, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 372-1000 Dr. Robert Anderson, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Sara Levin, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Sheila RezaeiMartinez, CA · No drug or device payments recorded (2025) · Telehealth ·
(925) 372-1000 Dr. Sonia SutherlandMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5110 Dr. Stephanie LinMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5000 Dr. Steven Johnson, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 372-1000 Dr. Thomas Gamsky, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 313-1100 Dr. Walter Peters, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 930-3110 Dr. Yelena Gambarin, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 372-2131 Dr. Yu-hung Peng, MDMartinez, CA · No drug or device payments recorded (2025) ·
(925) 370-5000 Conditions Internal Medicine providers in Martinez, 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 Martinez, California?There are 48 Internal Medicine providers with active NPI records practicing in Martinez, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Martinez received drug or device company payments?4 of 48 (8%) 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 Martinez treat?Internal Medicine providers in Martinez 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 Martinez Internal Medicine across California