NPI Portal NPI Lookup & Verification

Internal Medicine in Lancaster, OH

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

Internal Medicine providers in Lancaster, OH
NPI Name Type Specialty Location
1881814796 Alissa Ackelson Individual Infectious Disease Physician Lancaster, OH
1144210055 Andrew Dagg-Murry Individual Infectious Disease Physician Lancaster, OH
1073695482 Andrew R. Murry, MD, LLC Organization Infectious Disease Physician Lancaster, OH
1346457355 Andrew Twehues Individual Pulmonary Disease Physician Lancaster, OH
1700865722 Assem Houssein Individual Endocrinology, Diabetes & Metabolism Physician Lancaster, OH
1710961412 Brian Hendrickson Individual Internal Medicine Physician Lancaster, OH
1407985724 Buckeye Family Health LLC Organization Internal Medicine Physician Lancaster, OH
1164646220 Capitol City Cardiology, Inc. Organization Cardiovascular Disease Physician Lancaster, OH
1265656318 Capitol City Cardiology, Inc. Organization Cardiovascular Disease Physician Lancaster, OH
1225229586 Chest Consultants, Inc. Organization Pulmonary Disease Physician Lancaster, OH
1336292085 Christian Tencza Individual Pulmonary Disease Physician Lancaster, OH
1962481465 Christopher Nickison Individual Internal Medicine Physician Lancaster, OH
1912984105 Christopher Ryckman Individual Critical Care Medicine (Internal Medicine) Physician Lancaster, OH
1255427217 Colonnade Medical Group, Inc Organization Internal Medicine Physician Lancaster, OH
1740288026 David Brown Individual Pulmonary Disease Physician Lancaster, OH
1295712032 David Dunbar Individual Internal Medicine Physician Lancaster, OH
1447371570 Digestive Medical Services, Inc Organization Gastroenterology Physician Lancaster, OH
1093786857 Douglas Pope Individual Internal Medicine Physician Lancaster, OH
1851383657 Elaine Lewis Individual Internal Medicine Physician Lancaster, OH
1801992706 Fairfield Internal Medicine, Inc Organization Internal Medicine Physician Lancaster, OH
1477740801 Gwella Rheumatology Organization Rheumatology Physician Lancaster, OH
1518152974 James F Lesar MD Inc Organization Critical Care Medicine (Internal Medicine) Physician Lancaster, OH
1417933490 James Guenther Individual Addiction Medicine (Internal Medicine) Physician Lancaster, OH
1134162563 Jarrod Bruce Individual Pulmonary Disease Physician Lancaster, OH
1720106248 Jeremy Buckley Individual Cardiovascular Disease Physician Lancaster, OH
1902885403 Johnny Abidin Individual Internal Medicine Physician Lancaster, OH
1679765770 Kanwaljit Singh Individual Hematology & Oncology Physician Lancaster, OH
1245215029 Lancaster Hematology/Oncology Inc Organization Hematology & Oncology Physician Lancaster, OH
1477524247 Laura Morgan Individual Internal Medicine Physician Lancaster, OH
1932179348 Laurence Entsuah Individual Gastroenterology Physician Lancaster, OH
1083696207 Leon Hughes Individual Internal Medicine Physician Lancaster, OH
1396716155 Mark Lepi Individual Internal Medicine Physician Lancaster, OH
1386733244 Martha Buckley Individual Internal Medicine Physician Lancaster, OH
1780878728 Medical Associates of Lancaster Organization Internal Medicine Physician Lancaster, OH
1346275104 Michael Murray Individual Internal Medicine Physician Lancaster, OH
1770510927 Michael Reinig Individual Clinical Cardiac Electrophysiology Physician Lancaster, OH
1558466227 Mobusher Mahmud Individual Interventional Cardiology Physician Lancaster, OH
1760468953 Neelkant Raya Individual Internal Medicine Physician Lancaster, OH
1417961996 Paul Ruff Individual Cardiovascular Disease Physician Lancaster, OH
1356435887 Renuka Gonela Individual Internal Medicine Physician Lancaster, OH
1619978889 Richard Bardales Individual Cardiovascular Disease Physician Lancaster, OH
1013196880 Robert L. Zee, D.O., Inc. Organization Internal Medicine Physician Lancaster, OH
1992796775 Robert Zee Individual Obesity Medicine (Internal Medicine) Physician Lancaster, OH
1396856191 Roopa Srikantiah-Saha Individual Medical Oncology Physician Lancaster, OH
1124029426 Shantanu Sinha Individual Cardiovascular Disease Physician Lancaster, OH
1215154562 Stephanie Ott Individual Rheumatology Physician Lancaster, OH
1841274552 Troy Edwards Individual Internal Medicine Physician Lancaster, OH
1609989284 Vijaya Venkataraman Individual Nephrology Physician Lancaster, OH

Frequently asked questions

How many Internal Medicine providers are in Lancaster, OH?
The latest NPPES snapshot lists 84 active Internal Medicine providers with a practice address in Lancaster, Ohio.
How do I check a Internal Medicine provider's NPI in Lancaster?
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 2026-07-10.