Internal Medicine in Ontario, OH

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

Internal Medicine providers in Ontario, OH
NPI	Name	Type	Specialty	Location
1700828514	Anil Paul	Individual	Internal Medicine Physician	Ontario, OH
1134785876	Anjuli Eagleston	Individual	Internal Medicine Physician	Ontario, OH
1407313018	Asana Palliative Cleveland LLC	Organization	Hospice and Palliative Medicine (Internal Medicine) Physician	Ontario, OH
1073019949	Ashley Bryant	Individual	Internal Medicine Physician	Ontario, OH
1114909421	Cynthia Dorsey	Individual	Endocrinology, Diabetes & Metabolism Physician	Ontario, OH
1366456519	Errol Williams	Individual	Cardiovascular Disease Physician	Ontario, OH
1770524001	James Richardson	Individual	Internal Medicine Physician	Ontario, OH
1225210651	John Nirmalnath	Individual	Internal Medicine Physician	Ontario, OH
1316258742	Mohamad Saab	Individual	Interventional Cardiology Physician	Ontario, OH
1457776940	Natalie Yanes	Individual	Rheumatology Physician	Ontario, OH
1952466476	Paul A. Chang, MD, Inc.	Organization	Internal Medicine Physician	Ontario, OH
1245217496	Paul Chang	Individual	Internal Medicine Physician	Ontario, OH
1346400058	Vamsee Amirneni	Individual	Internal Medicine Physician	Ontario, OH
1104897990	William Polinski	Individual	Interventional Cardiology Physician	Ontario, OH

Frequently asked questions

How many Internal Medicine providers are in Ontario, OH?

The latest NPPES snapshot lists 14 active Internal Medicine providers with a practice address in Ontario, Ohio.

How do I check a Internal Medicine provider's NPI in Ontario?

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.