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Internal Medicine Providers in Bluffton, IN

Browse 6 Internal Medicine providers listed in NPPES with a practice address in Bluffton, Indiana.

6 Healthcare Providers

How Bluffton compares with the U.S.

6 active clinicians in Internal Medicine list a practice address in Bluffton, IN 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 in Bluffton 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 Registry addresses can be out of date.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€“6 of 6 providers
With recent CMS data first, then Aโ€“Z

Dr. Mary C Donley , MD

Internal Medicine

Active NPI Status
303 S Main St, Bluffton, IN 467142503
Phone: 2609193567
NPI Identifier 1669467932
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Dr. Yadagiri R Jonna , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
303 S Main St, Bluffton, IN 467142503
Phone: 2609193452
NPI Identifier 1083655427
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Dr. Pekkakuzhiyil M Mathew , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
303 S Main St Ste 300, Bluffton, IN 467142503
Phone: 2609193300
NPI Identifier 1578507539
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Dr. Ranbir Singh , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
303 S. Main St., Bluffton, IN 467141157
Phone: 2603444035
NPI Identifier 1134531072
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Dr. Walter O Erxleben , MD

Internal Medicine

Active NPI Status
1 Caylor Nickel Sq, Bluffton, IN 467142529
Phone: 2608243500
NPI Identifier 1457391963
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Dr. Larry G Jones , MD

Internal Medicine

Active NPI Status
303 S Main St, Bluffton, IN 467142503
Phone: 2609193470
NPI Identifier 1962446096
View Full Profile

Frequently Asked Questions about Internal Medicine in Bluffton

How do I check a Internal Medicine 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 Indiana 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.

Internal Medicine Providers in Other Indiana Cities

Cities with the most listed practitioners first.