HealthcareDiscovery.AI / Doctors / California / Upland / Gastroenterology

Gastroenterology in Upland, California

Data updated monthly · Last refresh September 2026

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

Gastroenterology providers in Upland

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. Basim Abdelkarim, MD
Upland, CA · $921 in drug and device payments (2025) · Telehealth · (909) 920-0444
Dr. Camron Kiafar, D.O.
Upland, CA · No drug or device payments recorded (2025) · (909) 920-0444
Dr. Chuang Hung, M.D.
Upland, CA · $537 in drug and device payments (2025) · (909) 985-2709
Dr. Dwaraknath Reddy, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 629-5540
Dr. John Kim, M.D.
Upland, CA · $157 in drug and device payments (2025) · (909) 981-8905
Dr. Kevin Jenkins, DO
Upland, CA · $23 in drug and device payments (2025) · (909) 985-2874
Dr. Mysore Nagaraja, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 982-2279
Dr. Nischita Merla, MD, MPH
Upland, CA · $1,694 in drug and device payments (2025) · (909) 833-7556
Dr. Priyanka Yaramada
Upland, CA · $446 in drug and device payments (2025) · Telehealth · (909) 920-0444

Conditions Gastroenterology providers in Upland, 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 Upland, California?

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

What conditions do Gastroenterology providers in Upland treat?

Gastroenterology providers in Upland 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 Upland 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.