| Massouh, Marwan MD | SJMG Radiation Oncology | (406) 723-2621 |
| Massouh, Hassan MD | Copper City Radiology, PC | (406) 461-2953 |
| Matovich-Brooke, Lisa LCPC | Lisa Matovich Brooke Counseling | (406) 672-7904 |
| Mattingly, Adam PA-C | SVHC OCC Health | (406) 237-8855 |
| Mattingly, Adam PA-C | SVHC Broadwater Walk-In Clinic | (406) 237-4116 |
| Maughan , Stephanie NP | SVH Neonatology | (406) 237-7076 |
| Mayer, Alan MD | SJMG Emergency Physicians | (406) 723-2585 |
| McArthur , John MD | Copper City Radiology, PC | (406) 461-2953 |
| McBride, Kevin OD | Drs. McBride & McBride Optometrists, PC | (406) 656-7605 |
| McCallum, Anine FNP | Holy Rosary Healthcare | (406) 233-2600 |
| McClafferty, Micaul PA-C | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| McClave, II, Charles MD | SVH Hospitalists | (406) 237-3850 |
| McClave, II, Charles MD | Sound Physicians | (406) 237-7000 |
| McCloskey, Kim OTR | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| McClure, Sara LAC | Rimrock Foundation | (406) 248-3175 |
| McCotter, Trevor MD | SVH Emergency Department | (406) 237-4116 |
| McCoy, Kendi LAC | Rimrock Foundation | (406) 248-3175 |
| McCranie, Kaitlyn MD | The Children's Clinic of Billings, PC | (406) 281-8700 |
| McCubbin , Mark MD | SVHC Nephrology | (406) 237-5770 |
| McCullough, Shane PA-C | Ortho Montana, PSC | (406) 237-5050 |
| McDanold, Jessica LCSW | Sunrise Wellness Center, LLC | (406) 643-4095 |
| McDowell, Gregory MD | Ortho Montana, PSC | (406) 237-5050 |
| McDowell, Gregory MD | Ortho Montana PSC - Westend | (406) 237-5050 |
| McEntire , Shane MD | SVHC Heart & Vascular Center | (406) 238-6820 |
| McFerran, Brandi LCSW | Yellowstone Boys & Girls Ranch | (406) 655-2100 |
