Specialty · city directory

Internal Medicine in Stillwater, OK

Active Internal Medicine providers practising in Stillwater, Oklahoma. Profiles include the NPI number, taxonomy code, license state, and practice address.

45 providers indexed

Internal Medicine providers in Stillwater, OK

NPI	Name	Type	Specialty	Location
1811928021	Arthur Hagan	Individual	Cardiovascular Disease Physician	Stillwater, OK
1003951385	Associates of Internal Medicine	Organization	Internal Medicine Physician	Stillwater, OK
1770733917	Associates of Medicine/John D Williams,MD,Pllc	Organization	Internal Medicine Physician	Stillwater, OK
1225772502	Bomaonye Tienabeso	Individual	Sleep Medicine (Internal Medicine) Physician	Stillwater, OK
1245123793	Brendan Iriele	Individual	Internal Medicine Physician	Stillwater, OK
1588868327	Cathy E Nieman, MD Inc	Organization	Internal Medicine Physician	Stillwater, OK
1578556171	Cathy Nieman	Individual	Internal Medicine Physician	Stillwater, OK
1831130806	Christopher Puckett	Individual	Hematology & Oncology Physician	Stillwater, OK
1679001002	Daniel Roton	Individual	Pulmonary Disease Physician	Stillwater, OK
1851378293	Darren Green	Individual	Internal Medicine Physician	Stillwater, OK
1972350197	Doaa Altameemi	Individual	Internal Medicine Physician	Stillwater, OK
1972790475	G E Emde, MD	Organization	Internal Medicine Physician	Stillwater, OK
1801889373	Gilbert Emde	Individual	Internal Medicine Physician	Stillwater, OK
1538839154	Gregory Balcerak	Individual	Internal Medicine Physician	Stillwater, OK
1033172168	Group Practice Associates, Inc.	Organization	Internal Medicine Physician	Stillwater, OK
1417139924	James Harris	Individual	Cardiovascular Disease Physician	Stillwater, OK
1407547326	Jaya Mallela	Individual	Internal Medicine Physician	Stillwater, OK
1871121632	Jeffrey Wang	Individual	Internal Medicine Physician	Stillwater, OK
1902860406	Jennifer Ferrell	Individual	Internal Medicine Physician	Stillwater, OK
1194767327	Jennifer Gallaway	Individual	Internal Medicine Physician	Stillwater, OK
1528068426	John Williams	Individual	Internal Medicine Physician	Stillwater, OK
1285992107	Jon Johnson	Individual	Internal Medicine Physician	Stillwater, OK
1598765497	Jon Johnson	Individual	Internal Medicine Physician	Stillwater, OK
1669678124	Kathleen M Harder MD Pllc	Organization	Internal Medicine Physician	Stillwater, OK
1316926728	Kevin Oltmanns	Individual	Internal Medicine Physician	Stillwater, OK
1134962145	Lauren Pendarvis	Individual	Internal Medicine Physician	Stillwater, OK
1376487215	Leandro Sasser	Individual	Internal Medicine Physician	Stillwater, OK
1174367296	Matthew Arnold	Individual	Internal Medicine Physician	Stillwater, OK
1932147113	Melchor Lim	Individual	Cardiovascular Disease Physician	Stillwater, OK
1144295429	Michael Strange	Individual	Internal Medicine Physician	Stillwater, OK
1285613299	Michele Macdonnell	Individual	Internal Medicine Physician	Stillwater, OK
1932574068	Oklahoma Cancer Specialists and Research Institute LLC	Organization	Hematology & Oncology Physician	Stillwater, OK
1245554302	Oklahoma Oncology and Hematology, P.C.	Organization	Hematology & Oncology Physician	Stillwater, OK
1962488742	Sam Earnest	Individual	Internal Medicine Physician	Stillwater, OK
1235246018	Senthil Nachimuthu	Individual	Clinical Cardiac Electrophysiology Physician	Stillwater, OK
1275670432	Seretean Wellness Center	Organization	Internal Medicine Physician	Stillwater, OK
1811171705	Shyam Poludasu	Individual	Interventional Cardiology Physician	Stillwater, OK
1770507931	Sidney Williams	Individual	Internal Medicine Physician	Stillwater, OK
1841496221	Steve W Cummings MD Pllc	Organization	Internal Medicine Physician	Stillwater, OK
1750365292	Steven Cummings	Individual	Internal Medicine Physician	Stillwater, OK
1124004759	Terry Brown	Individual	Internal Medicine Physician	Stillwater, OK
1972602050	Thomas Swafford	Individual	Gastroenterology Physician	Stillwater, OK
1275917908	Tulsa Cancer Institute, Pllc	Organization	Hematology & Oncology Physician	Stillwater, OK
1043373533	Val Gene Iven	Individual	Sports Medicine (Internal Medicine) Physician	Stillwater, OK
1508607672	Whitney Frick	Individual	Internal Medicine Physician	Stillwater, OK
1639156672	Woody Jenkins	Individual	Internal Medicine Physician	Stillwater, OK
1366434300	Wynter Kipgen	Individual	Endocrinology, Diabetes & Metabolism Physician	Stillwater, OK

Frequently asked questions

How many Internal Medicine providers are in Stillwater, OK?

The latest NPPES snapshot lists 45 active Internal Medicine providers with a practice address in Stillwater, Oklahoma.

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

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 2026-07-13.