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

Internal Medicine in Vallejo, California

Data updated monthly · Last refresh September 2026

64 Internal Medicine providers practice in Vallejo, and 19% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Vallejo

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. Adebusola Adesina
Vallejo, CA · No drug or device payments recorded (2025) · (916) 734-2737
Dr. Angelin Cheng
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Aye Kyu, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Becky Lee, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Carlo Tarantino, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Cathleen Coulman, M.D.
Vallejo, CA · $50 in drug and device payments (2025) · (707) 654-1170
Dr. Chude Anagor, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Daniel Taylor, D.O.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. David Crawford, MD
Vallejo, CA · $212 in drug and device payments (2025) · (707) 651-1000
Dr. Deborah Valtierra, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-2440
Dr. Deepa Savani, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Diljit Karayil, M.D
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1025
Dr. Elaine Kau, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Elizabeth Chin
Vallejo, CA · $32 in drug and device payments (2025) · (707) 651-1000
Dr. Eric Feng, D.O
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Frank Shic, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Fred Bayon, M.D.
Vallejo, CA · $2,084 in drug and device payments (2025) · Telehealth · (707) 558-8699
Dr. Georgia Allen, DO
Vallejo, CA · No drug or device payments recorded (2025) · (707) 553-5509
Dr. Gihan Farag, MD
Vallejo, CA · $71 in drug and device payments (2025) · Telehealth · (707) 651-1000
Dr. Hong Cheng, DO
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Husni Hasan, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Ian Concepcion, M.D.
Vallejo, CA · $32 in drug and device payments (2025) · (707) 651-1000
Dr. Irina Rozen, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Jaspreet Thind
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Jennifer Manickam, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. John Glenn, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. John Malone
Vallejo, CA · No drug or device payments recorded (2025) · (707) 556-3794
Dr. Jonathan Blanton, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Jonathan Kaner, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Karen Winter, DO
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Kelvin Kay, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (925) 876-3882
Dr. Khimberley Santiago, M.D.
Vallejo, CA · $32 in drug and device payments (2025) · (707) 651-2440
Dr. Lassia Vanhise, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Lauran Mizock, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Lawrence Lee, DO
Vallejo, CA · $32 in drug and device payments (2025) · (707) 651-1000
Dr. Lechi Pham, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Lloyd Brunk, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Loi Lam, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-4767
Dr. Lyudmila Fortenko, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Melissa Vander Wal, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-2440
Dr. Mercedes Rivera, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (562) 481-9212
Dr. Michael Clearfield, D.O.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 784-2001
Dr. Naomi Rapport, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Neil Watter, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Nicholas Taylor, D.O.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 554-4444
Dr. Peter Boorstein, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Randy Villanueva, D.O.
Vallejo, CA · $32 in drug and device payments (2025) · (707) 651-2440
Dr. Rebekah Chang, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Richard Chesley, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Robert Anderson, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 554-4444

Conditions Internal Medicine providers in Vallejo, 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 Vallejo, California?

There are 64 Internal Medicine providers with active NPI records practicing in Vallejo, according to federal NPPES data refreshed monthly.

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

12 of 64 (19%) 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 Vallejo treat?

Internal Medicine providers in Vallejo 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 Vallejo 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.