FindMyNPI
Montana · Internal Medicine

Internal Medicine in Montana.

366 verified Internal Medicine providers practise in Montana according to the National Plan and Provider Enumeration System (NPPES). Browse by city below, or click any provider to view their full NPI record including taxonomy, address, and contact details.

207R00000X366 in Montana34 citiesRefreshed monthly
SponsoredYour brand here. Reach the people searching this registry.Sponsored placementVisit ↗
Refine by city
Billings90Missoula57Bozeman39Kalispell32Helena23Great Falls23Butte15Hamilton9Fort Harrison8Anaconda7Dillon7Sidney6Havre5Lewistown5Miles City5Livingston5Whitefish5Glendive4Belgrade3Hardin2Ft Harrison2Glasgow2Lame Deer1Libby1Crow Agency1Manhattan1Clancy1Browning1Polson1Poplar1Ronan1Bigfork1Big Sky1Wolf Point1

A representative sample · not the full listFeatured providers

18 of 366
NC
Nathan Cook M.D.
Internal Medicine·Anaconda, MT·1629310297
Active›
CT
Claude Tonnerre MD
Internal Medicine·Missoula, MT·1780879098
Active›
AS
Andrea Smith M.D.
Internal Medicine·Missoula, MT·1760825533
Active›
JN
Dr. John Neathawk D.O.
Internal Medicine·Missoula, MT·1134567126
Active›
JO
Judith Olson M.D.
Internal Medicine·Missoula, MT·1578901492
Active›
TW
Dr. Todd Wisser DO
Internal Medicine·Kalispell, MT·1962847244
Active›
ET
Dr. Edward Thomas M.D.
Internal Medicine·Lewistown, MT·1801892369
Active›
SM
Scott Mckee
Internal Medicine·Dillon, MT·1427441328
Active›
BO
Dr. Berilonson Osiro MD
Internal Medicine·Great Falls, MT·1356748859
Active›
AT
Anthony Taylor DO
Internal Medicine·Billings, MT·1891371811
Active›
KW
Dr. Karen Weed M.D.
Internal Medicine·Dillon, MT·1821097817
Active›
GB
Gary Buffington MD
Internal Medicine·Great Falls, MT·1922009802
Active›
DH
Daniel Hesskamp MD
Internal Medicine·Helena, MT·1144221037
Active›
YA
Yee Chuan Ang M.D.
Internal Medicine·Billings, MT·1104138668
Active›
TL
Tony Lenz MD
Internal Medicine·Great Falls, MT·1508867375
Active›
SM
Steffan May M.D.
Internal Medicine·Bozeman, MT·1194915397
Active›
SM
Sarah Mete
Internal Medicine·Billings, MT·1093162455
Active›
WS
William Schoderbek MD
Internal Medicine·Bozeman, MT·1851386635
Active›
See the full list by city:See all in Billings 90See all in Missoula 57See all in Bozeman 39See all in Kalispell 32See all in Helena 23See all in Great Falls 23
SponsoredIn-feed placement

Your brand here.

Sponsored placement · we don't endorse advertisers
Visit ↗

Keep exploringRelated directories

Frequently asked · MontanaInternal Medicine in Montana

As of the June 2026 NPPES snapshot, 366 providers with the Internal Medicine taxonomy are registered to a Montana practice address. Counts refresh monthly from the public CMS registry.

Open any provider's full NPI record to see their active status, taxonomy, and registered Montana practice address. For real-time confirmation, the authoritative source is the CMS NPPES public registry, which FindMyNPI mirrors and refreshes monthly.

Billings (90), Missoula (57), Bozeman (39). Use the "Refine by city" panel above to open any city's full directory.