Internal Medicine Doctors in Montana
Data updated monthly · Last refresh October 2026
320 Internal Medicine providers practice in Montana, including 47 (15%) offering telehealth. The largest concentration is in Billings. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
320providers
47telehealth
Billingstop city
Internal Medicine by city in Montana
Choose a city to see providers there.
Internal Medicine providers in Montana
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Susan Askin, MDFort Harrison, MT · No drug or device payments recorded (2025) ·
(406) 447-7476 Dr. Susan Epstein, M.D.Fort Harrison, MT · No drug or device payments recorded (2025) ·
(406) 442-6410 Dr. Todd Gordon, MDFort Harrison, MT · No drug or device payments recorded (2025) ·
(406) 447-7476 Dr. William Meehan, MDFort Harrison, MT · No drug or device payments recorded (2025) ·
(406) 447-7476 Dr. David Slaughter, MDFt Harrison, MT · No drug or device payments recorded (2025) ·
(406) 442-6410 Dr. Scott Woller, M.D.Ft. Harrison, MT · $67 in drug and device payments (2025) · Telehealth ·
(801) 447-7792 Dr. Andrew Fahlgren, MDGlasgow, MT · No drug or device payments recorded (2025) ·
(406) 228-3400 Dr. Janet Armstrong, M.D.Glasgow, MT · No drug or device payments recorded (2025) ·
(406) 228-3400 Dr. Aaron Maus, MDGlendive, MT · $16 in drug and device payments (2025) ·
(406) 345-8901 Dr. Chrystal Potter, M.D.Glendive, MT · $30 in drug and device payments (2025) ·
(406) 345-8901 Dr. Clifford Reske, MDGlendive, MT · No drug or device payments recorded (2025) ·
(406) 345-3306 Dr. John Hunter, M.D.Glendive, MT · $15 in drug and device payments (2025) ·
(406) 345-8901 Dr. Berilonson Osiro, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 731-8888 Dr. Bradford Bergman, MDGreat Falls, MT · $214 in drug and device payments (2025) · Telehealth ·
(406) 731-8888 Dr. Eve Gerasimou, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 454-2171 Dr. Frederick Miller, DOGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 454-2171 Dr. Gary Buffington, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-4690 Dr. James Legan, MDGreat Falls, MT · $34 in drug and device payments (2025) · Telehealth ·
(406) 727-2121 Dr. Katherine Zitello, MDGreat Falls, MT · $238 in drug and device payments (2025) ·
(406) 731-8888 Dr. Kathleen Blair, DOGreat Falls, MT · $176 in drug and device payments (2025) · Telehealth ·
(406) 731-8888 Dr. Kirsten Krauss, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 454-8070 Dr. Lee Pietrangelo, M.D.Great Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-5000 Dr. Lorenzo Boccuzzi, D.O.Great Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-5000 Dr. Meredith Mckanna, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-4694 Dr. Michael Doubek, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 453-7600 Dr. Mohan Shrestha, M.D.Great Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-5000 Dr. Nicholas Trum, MDGreat Falls, MT · $2,239 in drug and device payments (2025) ·
(406) 455-5000 Dr. Raheel KhalidGreat Falls, MT · $43 in drug and device payments (2025) ·
(406) 455-5000 Dr. Sean Banks, DOGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 454-2171 Dr. Stacy Kingsland, MDGreat Falls, MT · $561 in drug and device payments (2025) ·
(406) 727-2121 Dr. Steven Chrzanowski, MDGreat Falls, MT · $144 in drug and device payments (2025) ·
(406) 731-8888 Dr. Sumaiya Mahboob, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 455-5000 Dr. Tony Lenz, MDGreat Falls, MT · No drug or device payments recorded (2025) ·
(406) 454-2171 Dr. Eugenie Haight, M.D.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-5101 Dr. Gary Smith, M.D.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-1100 Dr. John Courchesne, M.D.Hamilton, MT · $46 in drug and device payments (2025) ·
(406) 363-2211 Dr. John Moreland, M.D.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-5101 Dr. Jordan Judy, DOHamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-2211 Dr. Kathryn Hurlbut, D.O.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-2211 Dr. Lawrence Hammond, M.D.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-5101 Dr. Paul Shingledecker, M.D.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-2211 Dr. Sarah Beck, M.D.Hamilton, MT · No drug or device payments recorded (2025) ·
(406) 363-2211 Dr. Carol Greimann, MDHardin, MT · No drug or device payments recorded (2025) ·
(406) 665-2205 Dr. David Mark, M.D.Hardin, MT · No drug or device payments recorded (2025) ·
(406) 655-4103 Dr. Robert Byron, MDHardin, MT · No drug or device payments recorded (2025) ·
(406) 665-4103 Dr. Dee Althouse, MDHavre, MT · No drug or device payments recorded (2025) ·
(406) 395-4305 Dr. Mark Ward, D.O.Havre, MT · No drug or device payments recorded (2025) ·
(406) 265-7831 Dr. Terence Hankins, D.O.Havre, MT · No drug or device payments recorded (2025) ·
(406) 265-7831 Conditions Internal Medicine providers in Montana commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Montana?There are 320 Internal Medicine providers with active NPI records practicing in Montana, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Montana offer telehealth?Yes. 47 of the 320 Internal Medicine providers in Montana (about 15%) report offering telehealth services in CMS data.
Which cities in Montana have the most Internal Medicine providers?Billings (78), Missoula (46), Bozeman (35) have the highest concentration of Internal Medicine providers in Montana.
How many Internal Medicine providers in Montana received drug or device company payments?61 of 320 Internal Medicine providers in Montana (19%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Montana treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Internal Medicine Doctors in Montana work in independent practices or large health systems?Among 171 Internal Medicine Doctors in Montana enrolled in Medicare, 8% bill through a solo or small practice with fewer than 10 clinicians, 28% through a mid-size group of 10 to 99, and 64% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Montana work at?According to CMS facility affiliation records, the Montana hospitals where the most Internal Medicine Doctors hold privileges are Billings Clinic Hospital in Billings; St. Patrick Hospital in Missoula; Intermountain Health St Vincent Regional Hospital in Billings.
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