HealthcareDiscovery.AI / Doctors / California / Alameda / Internal Medicine

Internal Medicine in Alameda, California

Data updated monthly · Last refresh September 2026

31 Internal Medicine providers practice in Alameda, and 13% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Alameda

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. Angela Chan, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 749-5731
Dr. Catherine Pyun
Alameda, CA · No drug or device payments recorded (2025) · (510) 514-4397
Dr. Charlie Chu, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 749-5731
Dr. Charmaine Shen, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Cheryl Scott, MD, MPH
Alameda, CA · No drug or device payments recorded (2025) · (510) 437-3598
Dr. Christian Simeon
Alameda, CA · No drug or device payments recorded (2025) · (510) 522-3700
Dr. Chuong Do, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. David Belk, M.D.
Alameda, CA · No drug or device payments recorded (2025) · (510) 769-7078
Dr. David Craney, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 749-5731
Dr. Dina Rosen, M.D.
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4397
Dr. Elpidio Magalong, M.D.
Alameda, CA · $394 in drug and device payments (2025) · (510) 227-5540
Dr. Ernest Bonner, MD
Alameda, CA · No drug or device payments recorded (2025) · (810) 864-9600
Dr. Garland Castaneda, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4397
Dr. Jacques Calma, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 522-6053
Dr. Jagmohan Khaira, M.D.
Alameda, CA · $315 in drug and device payments (2025) · Telehealth · (510) 227-5540
Dr. James Kong, M.D.
Alameda, CA · $3,371 in drug and device payments (2025) · (510) 769-1118
Dr. James Yeh, D.O.
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4397
Dr. Jenna Brimmer, M.D.
Alameda, CA · $815 in drug and device payments (2025) · (530) 814-4630
Dr. Joanne Dephillips, M.D.
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4397
Dr. Kinjal Patel
Alameda, CA · No drug or device payments recorded (2025) · Telehealth · (510) 323-4410
Dr. Lorraine Bonner, M.D.
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4397
Dr. Loton Shippey, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4397
Dr. Luke Lin, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4391
Dr. Mark Marrama, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 749-5731
Dr. Mary Herner, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Quynh Nguyen, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 749-5731
Dr. Ray Yeh, D.O.
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4397
Dr. Robbin Green-yeh, DO
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-4630
Dr. Samra Rashid, D.O.
Alameda, CA · No drug or device payments recorded (2025) · (510) 814-9397
Dr. Sunil Desai, MD
Alameda, CA · No drug or device payments recorded (2025) · (808) 243-6050
Dr. Tigist Tekle Siacha, MD
Alameda, CA · No drug or device payments recorded (2025) · (510) 752-1190

Conditions Internal Medicine providers in Alameda, 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.

Common questions

How many Internal Medicine providers are in Alameda, California?

There are 31 Internal Medicine providers with active NPI records practicing in Alameda, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Alameda received drug or device company payments?

4 of 31 (13%) 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 Alameda treat?

Internal Medicine providers in Alameda 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 Alameda Internal Medicine across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.