Internal Medicine in Saint Helena, California
Data updated monthly · Last refresh September 2026
11 Internal Medicine providers practice in Saint Helena. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Saint Helena
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. Arun Hatwalkar, MDSaint Helena, CA · No drug or device payments recorded (2025) ·
(707) 963-6399 Dr. Elizabeth Wasson, MDSaint Helena, CA · No drug or device payments recorded (2025) ·
(707) 963-6399 Dr. Heather Pena, MDSaint Helena, CA · No drug or device payments recorded (2025) ·
(707) 967-9000 Dr. Hirofumi Hashimoto, MDSaint Helena, CA · No drug or device payments recorded (2025) ·
(707) 963-6399 Dr. John Hart, MDSaint Helena, CA · $14 in drug and device payments (2025) ·
(707) 963-6399 Dr. Katherine Williams, M.D.Saint Helena, CA · No drug or device payments recorded (2025) ·
(707) 758-5936 Dr. Leah Grabenauer, MDSaint Helena, CA · No drug or device payments recorded (2025) ·
(707) 963-6399 Dr. Matthew Corvo, MDSaint Helena, CA · $55 in drug and device payments (2025) ·
(707) 967-1914 Dr. Padmaja Manyam, M.D.Saint Helena, CA · No drug or device payments recorded (2025) ·
(347) 229-3632 Dr. Sahiba Bajwa, MDSaint Helena, CA · No drug or device payments recorded (2025) ·
(650) 402-8643 Dr. Susan Gamble, M.D.Saint Helena, CA · No drug or device payments recorded (2025) ·
(707) 963-2002 Conditions Internal Medicine providers in Saint Helena, 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 Saint Helena, California?There are 11 Internal Medicine providers with active NPI records practicing in Saint Helena, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Saint Helena treat?Internal Medicine providers in Saint Helena 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 Saint Helena Internal Medicine across California