| Coleman, Shawn PA | SVHC Occupational Health | (406) 237-8855 |
| Coleman , Clarence MD | Copper City Radiology, PC | (406) 461-2953 |
| Collett, Gordon MD | The Children's Clinic of Billings - Outpatient | (406) 281-8700 |
| Collett, Gordon MD | The Children's Clinic of Billings - Westend | (406) 281-8700 |
| Collins, Linda LCSW | Yellowstone Boys & Girls Ranch | (406) 655-2100 |
| Colson, Emily MD | RiverStone Health Clinic | (406) 247-3350 |
| Colson, Emily MD | RiverStone Health Clinic - Bridger | (406) 662-3740 |
| Colson, Emily MD | RiverStone Health Clinic - Joliet | (406) 962-9062 |
| Colson, Emily MD | RiverStone Health Clinic - Worden | (406) 967-2255 |
| Comes, Annette MD | SVHC Lewistown Primary Care | (406) 535-7070 |
| Consson, Amy MD | Pioneer Medical Center | (406) 932-4603 |
| Conti, Robert MD | Copper City Radiology, PC | (406) 461-2953 |
| Cook, Cheryl MD | Velum Skin & Laser Center | (406) 656-1244 |
| Cordina, Steve MD | SVH OP Neurology | 406-237-5577 |
| Cotton, Casey DO | Eastern Radiological Associates | (406) 237-5490 |
| Cox, Joeleen DC | Ottun Chiropractic, PC | (406) 259-9383 |
| Cox, Andrew MD | Big Horn Hospital | (406) 665-2310 |
| Cox, Andrew MD | Roundup Memorial Hospital | (406) 323-2301 |
| Cox, Andrew MD | Beartooth Billings Clinic | (406) 446-2345 |
| Cox, Andrew MD | Pioneer Medical Center | (406) 932-4603 |
| Cox, Andrew MD | Midway Clinic DBA Three Rivers Health | 307-568-3311 |
| Cox, Andrew MD | South Big Horn County Hospital District DBA Three Rivers Health | 307-568-3311 |
| Cozzens, Jessica MD | Planned Parenthood of Montana - Great Falls | (406) 454-3431 |
| Cozzens, Jessica MD | Planned Parenthood of Montana - Billings Heights | (406) 869-5040 |
| Cozzens, Jessica MD | Planned Parenthood of Montana - Billings West | (406) 656-9980 |
