NPI Portal NPI Lookup & Verification

Internal Medicine in Greenville, OH

12 active Internal Medicine providers practice in Greenville, Ohio according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Greenville, OH
NPI Name Type Specialty Location
1205573888 Ahmed El Rahyel Individual Internal Medicine Physician Greenville, OH
1770795973 Anna Hatic Individual Internal Medicine Physician Greenville, OH
1497797401 Anthony Vacca Individual Pulmonary Disease Physician Greenville, OH
1841497203 Brian Dulin Individual Cardiovascular Disease Physician Greenville, OH
1528285103 Darke County Internal Medicine-Pediatrics, Inc. Organization Internal Medicine Physician Greenville, OH
1790031292 Ezechukwu Umeh Individual Internal Medicine Physician Greenville, OH
1255707519 Hafiz Rehman Individual Internal Medicine Physician Greenville, OH
1073515276 Henry Chong Individual Cardiovascular Disease Physician Greenville, OH
1760434559 Mary Hawley Individual Internal Medicine Physician Greenville, OH
1902023559 Ricky D Bowlin, MD LLC Organization Internal Medicine Physician Greenville, OH
1285918706 The Dayton Heart Center, Inc. Organization Cardiovascular Disease Physician Greenville, OH
1770502700 Timothy Kathman Individual Internal Medicine Physician Greenville, OH

Frequently asked questions

How many Internal Medicine providers are in Greenville, OH?
The latest NPPES snapshot lists 12 active Internal Medicine providers with a practice address in Greenville, Ohio.
How do I check a Internal Medicine provider's NPI in Greenville?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-11.