| Provider | Group Practice/Location | Office Phone |
| Butler, Erin PA-C | Beartooth Billings Clinic | (406) 446-2345 |
| Butler, Erin PA-C | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Butler, Jasmine PA-C | NEMHS - Listerud Rural Health Clinic | (406) 653-2501 |
| Butler, Jasmine PA-C | NEMHS- Trinity Hospital | (406) 653-6500 |
| Butler, Jasmine PA-C | NEMHS- Riverside Family Clinic | (406) 768-5171 |
| Butler, Jasmine PA-C | NEMHS- Poplar Community Hospital | (406) 768-6100 |
| Butler, Jasmine PA-C | NEMHS- Faith Lutheran Home | (406) 653-6421 |
| Butz, Michael PhD | Downtown Clinic - Behavioral Health Associates | (406) 237-3585 |
| C, Phoebe King | ||
| Cahill, Carissa FNP | NEMHS - Listerud Rural Health Clinic | (406) 653-2501 |
| Cahill, Carissa FNP | NEMHS - Faith Lutheran Home | (406) 653-6421 |
| Cahill, Carissa FNP | NEMHS - Poplar Community Hospital | (406) 768-6100 |
| Cahill, Carissa FNP | NEMHS - Trinity Hospital | (406) 653-6500 |
| Cahill, Carissa FNP | NEMHS - Riverside Family Clinic | (406) 768-5171 |
| Cahill, Anne MD | Intermountain Health Heart & Vascular - Downtown Cardiac & Vascular Surgery | (406) 238-6820 |
| Cai, David MD | Ear, Nose & Throat Associates | (406) 238-6161 |
| Callaway, Edward MD | NEMHS - Trinity Hospital | (406) 653-6500 |
| Callaway, Edward MD | NEMHS - Poplar Community Hospital | (406) 768-6100 |
| Cameron, James MD | SVHC Neonatal Intensive Care | (406) 237-7076 |
| Campbell, Andrew PA | St. Vincent Regional Hospital - Adult Critical Care | (406) 237-7200 |
| Campbell, Andrew PA | Cogent Healthcare of MT, PC dba Sound Physicians of MT | (406) 657-7000 |
| Campbell, TyaJean MD | St. Vincent Regional Hospital - Adult Critical Care | (406) 237-7200 |
| Campbell, TyaJean MD | SVH Hospitalists | (406) 237-3850 |
| Campbell, TyaJean MD | Cogent Healthcare of MT dba Sound Physicians | (406) 657-7000 |
| Cancel, Quinton MD |