Gastroenterology in Modesto, California
Data updated monthly · Last refresh September 2026
21 Gastroenterology providers practice in Modesto. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Modesto
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. Alfred Gaymon, M.D.Modesto, CA · No drug or device payments recorded (2025) ·
(973) 699-2160 Dr. Ambrish Ghumman, M.D.Modesto, CA · $48 in drug and device payments (2025) · Telehealth ·
(209) 524-1211 Dr. Calvin Olson, MDModesto, CA · No drug or device payments recorded (2025) ·
(209) 550-4750 Dr. Felix Tam, M.D.Modesto, CA · No drug or device payments recorded (2025) ·
(209) 735-5000 Dr. Gaspar Nazareno, M.D.Modesto, CA · $497 in drug and device payments (2025) · Telehealth ·
(209) 550-4750 Dr. Jamie Byun, MDModesto, CA · $240 in drug and device payments (2025) · Telehealth ·
(209) 550-4788 Dr. Joshua Anderson, M.D.Modesto, CA · $143 in drug and device payments (2025) ·
(209) 735-7200 Dr. Keith Leibowitz, MDModesto, CA · No drug or device payments recorded (2025) ·
(209) 522-6100 Dr. Michael Ringer, MDModesto, CA · $106 in drug and device payments (2025) ·
(209) 577-3388 Dr. Muhammad Shafqet, M.D.Modesto, CA · $2,563 in drug and device payments (2025) · Telehealth ·
(209) 550-4725 Dr. Navim Mobin, MDModesto, CA · $207 in drug and device payments (2025) · Telehealth ·
(209) 550-4740 Dr. Pardeep Brar, MD,Modesto, CA · $197 in drug and device payments (2025) ·
(209) 624-8780 Dr. Raman Khehra, MDModesto, CA · No drug or device payments recorded (2025) · Telehealth ·
(209) 524-1211 Dr. Richard Fisher, MDModesto, CA · No drug or device payments recorded (2025) ·
(209) 550-4570 Dr. Richard Plotzker, MDModesto, CA · No drug or device payments recorded (2025) ·
(209) 577-3388 Dr. Safwat Absood, M.D.Modesto, CA · No drug or device payments recorded (2025) ·
(209) 576-1621 Dr. Tanya Dam, DOModesto, CA · $148 in drug and device payments (2025) ·
(209) 577-3388 Dr. Victorio Pidlaoan, MDModesto, CA · $632 in drug and device payments (2025) · Telehealth ·
(209) 524-1211 Dr. Vida ChenModesto, CA · $20 in drug and device payments (2025) · Telehealth ·
(209) 572-2736 Dr. William Griffiths, MDModesto, CA · No drug or device payments recorded (2025) ·
(209) 577-3388 Conditions Gastroenterology providers in Modesto, 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.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Modesto, California?There are 21 Gastroenterology providers with active NPI records practicing in Modesto, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in Modesto treat?Gastroenterology providers in Modesto 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 Modesto Gastroenterology across California