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Internal Medicine - Gastroenterology Specialists in Merced, CA

Browse 4 Internal Medicine - Gastroenterology providers listed in NPPES with a practice address in Merced, California.

4 Healthcare Providers

How Merced compares with the U.S.

4 active clinicians in Internal Medicine - Gastroenterology list a practice address in Merced, CA in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Internal Medicine - Gastroenterology in Merced are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“4 of 4 providers
With recent CMS data first, then Aโ€“Z

Dr. Lillian Y Choi , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
360 E Yosemite Ave Ste 300, Merced, CA 953408201
Phone: 2097207183
NPI Identifier 1790769818
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Dr. Madhu K Kris , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
750 W Olive Ave, Suite 106, Merced, CA 953482436
Phone: 2093843115
NPI Identifier 1427112366
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Dr. Man-Siak Mak , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
3349 G Street Ste. F, Merced, CA 95340
Phone: 2093498459
NPI Identifier 1609875004
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Dr. Sivakumar Reddy Munnangi , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
386 W Olive Ave, Suite A, Merced, CA 953483137
Phone: 2097249900
NPI Identifier 1447432463
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Frequently Asked Questions about Internal Medicine - Gastroenterology in Merced

How do I check a Internal Medicine - Gastroenterology practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.