HealthcareDiscovery.AI / Doctors / California / Vallejo / Gastroenterology

Gastroenterology in Vallejo, California

Data updated monthly · Last refresh September 2026

9 Gastroenterology providers practice in Vallejo. Listings are drawn from federal public records and are not endorsements.

Gastroenterology 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. Aaron Levy, MD
Vallejo, CA · $588 in drug and device payments (2025) · (707) 651-1000
Dr. Arun Suryaprasad, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Jeffrey Wei, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Laurence Mazzotta, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 648-3327
Dr. Marcus Juan Esteban, M.D.
Vallejo, CA · $501 in drug and device payments (2025) · (707) 651-1000
Dr. Pauline Mysliwiec, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Ralston Martin, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Ryan Nock, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Thomas Cuff, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000

Conditions Gastroenterology providers in Vallejo, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Gastroenterology providers are in Vallejo, California?

There are 9 Gastroenterology providers with active NPI records practicing in Vallejo, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in Vallejo treat?

Gastroenterology providers in Vallejo commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease 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 Gastroenterology 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.