| MacAdam, Brett MD | Eastern Radiological Associates | (406) 237-5490 |
| Macartney, Aran NP | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Macdonald, Andrea APRN | Integrative Mental Health Services PLLC | (406) 702-1466 |
| MacDonald, Ashley DNP, FNP | Ear, Nose & Throat Associates | (406) 238-6161 |
| Mahler, Michael CRNA | Butte Clinic - Anesthesia | (406) 723-2472 |
| Mahoney, Chloe DPT | West Billings Physical Therapy | (406) 655-9060 |
| Maier, Dennis MD | Downtown Clinic - Wound Healing Center | (406) 237-8270 |
| Maier, Dennis MD | St. Vincent Wound Care & Infectioud Disease PB | (406) 237-8270 |
| Maisch, Allison LCSW | RiverStone Health | (406) 247-3350 |
| Maisch, Allison LCSW | RiverStone Health - Medicine Crow School | (406) 247-3210 |
| Maisch, Allison LCSW | RiverStone Health - Orchard School | (406) 247-3210 |
| Maisch, Allison LCSW | RiverStone Health - Senior High School | (406) 247-3350 |
| Malcom, Kenna DPT | Mountain Land Rehabilitation LLC - Westend | (406) 656-0950 |
| Malik, Noman MD | Eastern Radiological Associates | (406) 237-5490 |
| Malli, Sarah APRN | Roundup Memorial Healthcare | (406) 323-2301 |
| Malli, Sarah APRN | Roundup Memorial Healthcare Clinic | (406) 323-3337 |
| Malody, Lisa MD | Downtown Clinic - Internal Medicine | (406) 238-6900 |
| Malters, Edward MD | Downtown Clinic - Internal Medicine | (406) 238-6900 |
| Malters, Edward MD | Intermountain Health West End Clinic - Internal Medicine | (406) 238-6900 |
| Malters, Deborah MD | Turnwell Mental Health of Montana - 24th Street | (406) 839-2985 |
| Malters, Deborah MD | Turnwell Mental Health of Montana - Bozeman | (406) 839-2985 |
| Malters, Deborah MD | Turnwell Mental Health of Montana - Grand | (406) 839-2985 |
| Mammenga, Jamie LCPC | Sound Perinatal and Fertility Counseling, PLLC | |
| Mann, Nimrit MD | Cogent Healthcare of MT dba Sound Physicians | (406) 657-7000 |
| Mann, Nimrit MD | Cogent Healthcare of MT, PC dba Sound Physicians of MT | (406) 657-7000 |
