
| Provider | Group Practice/Location | Office Phone |
| May, Eric MD | South Big Horn County Hospital District DBA Three Rivers Health | (307) 568-3311 |
| May, Eric MD | Wheatland Memorial Hospital | (406) 632-4351 |
| Mayer, Alan MD | SJMG Emergency Physicians | (406) 723-2585 |
| Mayr, Katrina PharmD | North Shiloh Clinic - Family Medicine | (406) 237-8989 |
| Mayr, Katrina PharmD | Red Lodge Clinic - Family Medicine | (406) 446-3800 |
| Mayr, Katrina PharmD | West Grand Clinic - Family Medicine | (406) 237-5353 |
| Mazur, Alfred MD | Downtown Clinic - Urology | (406) 237-5400 |
| McCallum, Anine FNP | Holy Rosary Healthcare | (406) 233-2600 |
| McCann, Steven MD | SJMG OB/GYN | (406) 496-3627 |
| McCann, Darin PA-C | Yellowstone Sports Medicine-Bone & Joint Clinic LLC | (307) 578-1953 |
| McClafferty, Micaul PA-C | SCL Health Medical Group - Butte Downtown | (406) 299-8400 |
| McClafferty, Micaul PA-C | SCL Health Medical Group - Butte Downtown Walk In | (406) 299-8400 |
| McClafferty, Micaul PA-C | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| McClave, II, Charles MD | Cogent Healthcare of MT dba Sound Physicians | (406) 657-7000 |
| McClave, II, Charles MD | SVH Hospitalists | (406) 237-3850 |
| McClure, Denae PA-C | Ortho Montana PSC | (406) 237-5050 |
| McClure, Sara LAC | Rimrock Foundation | (406) 248-3175 |
| McCord, Mark MD | SJMG Radiation Oncology | (406) 723-2621 |
| McCormick, Mary PA-C | Broadwater Clinic - Walk-in | (406) 237-8550 |
| McCormick, Mary PA-C | Heights Clinic - Walk-in | (406) 237-8400 |
| McCormick, Mary PA-C | Intermountain Health West End Clinic - Walk In | (406) 901-2580 |
| McCormick, Mary PA-C | Laurel Clinic - Walk-in | (406) 237-3160 |
| McCormick, Mary PA-C | N. 27th Walk-in Clinic | (406) 237-5110 |
| McCotter, Trevor MD | SVHC Emergency & Trauma Center | (406) 237-4116 |
| McCoy, Kendy LAC | Rimrock Foundation | (406) 248-3175 |