| Provider | Group Practice/Location | Office Phone |
| Mock, Steven NP | Heights Clinic - Walk-in | (406) 237-8400 |
| Mock, Steven NP | N. 27th Walk-in Clinic | (406) 237-5110 |
| Mock, Steven NP | West End Clinic - Walk-In | (406) 901-2580 |
| Moellmer, Edward MD | Community Clinic - Fallon Medical Complex | (406) 778-3331 |
| Mohamed, Ambreen MD | McCone County Health Center | (406) 485-2063 |
| Mohr, Todd PA-C | Holy Rosary Healthcare | (406) 233-2600 |
| Mohr, Todd PA-C | SJMG Emergency Physicians | (406) 723-2585 |
| Mohr, Todd PA-C | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Molyneaux, Zachary PA-C | Ortho Montana PSC | (406) 237-5050 |
| Momeni, Arash MD | Diversified Radiology | (303) 914-8800 |
| Momeni, Arash MD | SJMG Radiology | (406) 723-2500 |
| Momeni, Arash MD | Butte Clinic- Radiology | (406) 723-2500 |
| Monforton, Andrew MD | NEMHS - Poplar Community Hospital | (406) 768-6100 |
| Monforton, Andrew MD | NEMHS - Trinity Hospital | (406) 653-6500 |
| Monroe, Megan PsyD | Monroe Psychotherapy, PLLC | (406) 404-8191 |
| Mooney, Brittany DPT | SJMG Therapy - Butte | |
| Mooney, Brittany DPT | Butte Clinic - Orthopedics | (406) 496-3400 |
| Moore, Alyssa APRN | Planned Parenthood of Montana - Helena | (406) 443-7676 |
| Morelli, Scott PA-C | NEMHS - Listerud Rural Health Clinic | (406) 653-2501 |
| Morelli, Scott PA-C | NEMHS - Faith Lutheran Home | (406) 653-6421 |
| Morelli, Scott PA-C | NEMHS - Poplar Community Hospital | (406) 768-6100 |
| Morelli, Scott PA-C | NEMHS - Trinity Hospital | (406) 653-6500 |
| Morelli, Scott PA-C | NEMHS - Riverside Family Clinic | (406) 768-5171 |
| Morgan, Jonathan DO | St. Vincent Neurosurgery | (406) 237-5577 |
| Morgan, Jonathan DO | St. Vincent Regional Hospital Neurology Service | (406) 237-3850 |