| Martin, Eri LCPC | BVHC DBA One Health - Community Partners | (406) 585-1360 |
| Martin, Eri LCPC | BVHC DBA One Health - Community Partners MDCR | (406) 585-1360 |
| Martin, Eri LCPC | BVHC DBA One Health - Housing First Village | 4065851360 |
| Martin, Iva NP | Intermountain Health Connect Care - Urgent Care & Physical Therapy MT | 801-442-5502 |
| Marvel, Jeffrey MD | Gallatin Clinic - ENT Satellite | (406) 496-3600 |
| Marvel, Jeffrey MD | Intermountain Health Gallatin Clinic - ENT | (406) 613-7999 |
| Marwan, Massouh MD | Butte Clinic - Medical Oncology | (406) 723-2999 |
| Massoglia, Leslie MD | St. Vincent Regional Hospital Palliative Care | (406) 237-3913 |
| Matovich-Brooke, Lisa LCPC | Lisa Matovich Brooke Counseling | (406) 672-7904 |
| Matta, Angela LCSW | Angela Matta LCSW LAC PC | (406) 564-2738 |
| Mattingly, Adam PA-C | Broadwater Clinic - Occupational Health | (406) 237-8855 |
| Mattingly, Adam PA-C | Broadwater Clinic - Walk-in | (406) 237-8550 |
| Mattson, Daniel CRNA, MHA, MSN | Beartooth Billings Clinic | (406) 446-2345 |
| Mattson, Daniel CRNA, MHA, MSN | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Maughan, Stephanie NP | SVHC Neonatal Intensive Care | (406) 237-7076 |
| Maus, Aaron MD | St. Vincent Hospitalists | (406) 237-3850 |
| Maus, Aaron MD | St. Vincent Regional Hospital- Hospitalists | 4062373850 |
| May, Kenneth MD, PhD | Holy Rosary Healthcare | (406) 233-2600 |
| May, Kenneth MD, PhD | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| May, Kenneth MD, PhD | St. Vincent Regional Hospital - Cancer Centers of Montana | (406) 238-6290 |
| May, Eric MD | Bair Memorial Clinic | (406) 632-4343 |
| May, Eric MD | Beartooth Billings Clinic | (406) 446-2345 |
| May, Eric MD | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| May, Eric MD | Big Horn Hospital | (406) 665-2310 |
| May, Eric MD | Midway Clinic DBA Three Rivers Health | (307) 568-3311 |
