NPI Portal NPI Lookup & Verification

Internal Medicine in Great Falls, MT

89 active Internal Medicine providers practice in Great Falls, Montana according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Great Falls, MT
NPI Name Type Specialty Location
1952372294 Alrich Gray Individual Cardiovascular Disease Physician Great Falls, MT
1477646750 Barry Cohan Individual Endocrinology, Diabetes & Metabolism Physician Great Falls, MT
1184650855 Benefis Healthcare Practitioners Organization Cardiovascular Disease Physician Great Falls, MT
1356457204 Benefis Healthcare Practitioners Organization Critical Care Medicine (Internal Medicine) Physician Great Falls, MT
1487665592 Benefis Healthcare Practitioners, PC Organization Interventional Cardiology Physician Great Falls, MT
1851404172 Benefis Healthcare Practitioners, PC Organization Medical Oncology Physician Great Falls, MT
1013152727 Benefis Healthcare Practitioners, PC Organization Hematology & Oncology Physician Great Falls, MT
1043469513 Benefis Medical Group Organization Hematology & Oncology Physician Great Falls, MT
1356748859 Berilonson Osiro Individual Internal Medicine Physician Great Falls, MT
1083793244 Big Sky Oncology Organization Hematology & Oncology Physician Great Falls, MT
1851228183 Big Sky Rpm LLC Organization Internal Medicine Physician Great Falls, MT
1235130113 Bradford Bergman Individual Internal Medicine Physician Great Falls, MT
1942558432 Brooks Corp Organization Critical Care Medicine (Internal Medicine) Physician Great Falls, MT
1689786519 Bryan Martin Individual Medical Oncology Physician Great Falls, MT
1477665305 Craig Brayko Individual Gastroenterology Physician Great Falls, MT
1154631893 Daniel R Walker MD Pllc Organization Cardiovascular Disease Physician Great Falls, MT
1861540593 Daniel Walker Individual Cardiovascular Disease Physician Great Falls, MT
1063413789 David Anderson Individual Sleep Medicine (Internal Medicine) Physician Great Falls, MT
1336171149 Deborah Rose Individual Addiction Medicine (Internal Medicine) Physician Great Falls, MT
1114934221 Donald Berdeaux Individual Hematology & Oncology Physician Great Falls, MT
1275541559 Donald H Berdeaux MD Facp PC Organization Hematology & Oncology Physician Great Falls, MT
1003812660 Edmund Brennan Individual Clinical Cardiac Electrophysiology Physician Great Falls, MT
1023497708 Elias Baied Individual Infectious Disease Physician Great Falls, MT
1457312464 Eve Gerasimou Individual Internal Medicine Physician Great Falls, MT
1427059138 Frederick Miller Individual Internal Medicine Physician Great Falls, MT
1235342999 Gabor Varju Individual Pulmonary Disease Physician Great Falls, MT
1922009802 Gary Buffington Individual Internal Medicine Physician Great Falls, MT
1609965946 Gerald Spencer Individual Gastroenterology Physician Great Falls, MT
1669739017 Great Falls Nephrology Associates PC Organization Nephrology Physician Great Falls, MT
1265883607 Heidi Peynado De Pena Individual Endocrinology, Diabetes & Metabolism Physician Great Falls, MT
1548310998 Holly Strong Individual Critical Care Medicine (Internal Medicine) Physician Great Falls, MT
1871605790 James Legan Individual Internal Medicine Physician Great Falls, MT
1801882139 James Whittle Individual Interventional Cardiology Physician Great Falls, MT
1891136644 Jennifer Carter Individual Hematology & Oncology Physician Great Falls, MT
1811335003 Jessica Kaae Individual Hematology & Oncology Physician Great Falls, MT
1790282754 John Elibol Individual Hospice and Palliative Medicine (Internal Medicine) Physician Great Falls, MT
1659364651 John Mazur Individual Pulmonary Disease Physician Great Falls, MT
1609877471 John Molloy Individual Geriatric Medicine (Internal Medicine) Physician Great Falls, MT
1942444146 John T Molloy MD Pllc Organization Gastroenterology Physician Great Falls, MT
1811951601 Jorge Castriz Individual Cardiovascular Disease Physician Great Falls, MT
1376003400 Justinn Lahaye Individual Critical Care Medicine (Internal Medicine) Physician Great Falls, MT
1437150331 Karl Guter Individual Hematology & Oncology Physician Great Falls, MT
1427685270 Katherine Zitello Individual Internal Medicine Physician Great Falls, MT
1346335189 Kathleen Blair Individual Internal Medicine Physician Great Falls, MT
1174627756 Kirsten Krauss Individual Internal Medicine Physician Great Falls, MT
1477656734 Lee Pietrangelo Individual Internal Medicine Physician Great Falls, MT
1598734980 Lorenzo Boccuzzi Individual Internal Medicine Physician Great Falls, MT
1306132279 Megan Sisk Individual Pulmonary Disease Physician Great Falls, MT
1629450333 Merhala Balasubramaniam Individual Pulmonary Disease Physician Great Falls, MT
1336290337 Michael Doubek Individual Internal Medicine Physician Great Falls, MT

Frequently asked questions

How many Internal Medicine providers are in Great Falls, MT?
The latest NPPES snapshot lists 89 active Internal Medicine providers with a practice address in Great Falls, Montana.
How do I check a Internal Medicine provider's NPI in Great Falls?
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.