| Lyson, Cheryl LCPC | SVHC Behavioral Health | (406) 237-3585 |
| MacAdam , Brett MD | Eastern Radiological Associates | (406) 237-5490 |
| Maher, Monica NP | Surgical Associates, PC | (406) 238-6470 |
| Maher, Monica NP | Big Horn Hospital | (406) 665-2310 |
| Maier, Dennis MD | SVHC Wound Healing Center | (406) 237-8270 |
| Maier, Dennis MD | SVH Wound Healing Center | (406) 237-8270 |
| Main , Ronald MD | SVH Montana Heart Institute | (406) 237-5001 |
| Malody, Lisa MD | SVHC Internal Medicine | (406) 238-6900 |
| Malters, Edward MD | SVHC Internal Medicine | (406) 238-6900 |
| Malters, Deborah MD | Montana Psychiatry, PLLC | (406) 839-2985 |
| Mann, Kilby MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Mark , David MD | BVHC - Sweet Medical Center - Harlem | (406) 353-4861 |
| Mark , David MD | Big Horn Hospital | (406) 665-2310 |
| Mark , David MD | Bighorn Valley Health Center - St Labre | (406) 784-6721 |
| Mark , David MD | Bighorn Valley Health Center - Hardin | (406) 665-4103 |
| Mark , David MD | Bighorn Valley Health Center - Ashland | (406) 784-2346 |
| Mark , David MD | Bighorn Valley Health Center - Miles City | (406) 874-8700 |
| Mark , David MD | BVHC - Sweet Medical Center - Chinook | (406) 357-2294 |
| Mark , David MD | BVHC Central MT Community Health Center - Lewistown | (406) 535-6545 |
| Marsh , Kate FNP | Holy Rosary Healthcare | (406) 233-2600 |
| Marsh , Kate FNP | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| Marsh , Kate FNP | BVHC - Sweet Medical Center - Harlem | (406) 353-4861 |
| Marsh , Kate FNP | Bighorn Valley Health Center - Powder River Public Health | (406) 436-2297 |
| Marsh , Kate FNP | Bighorn Valley Health Center - St Labre | (406) 784-6721 |
| Marsh , Kate FNP | Bighorn Valley Health Center - Hardin | (406) 665-4103 |
