| Cook, Frances ARNP | NEMHS - Listerud Rural Health Clinic | (406) 653-2501 |
| Cook, Stephen MD | SJMG Heart Center | (406) 723-2420 |
| Cook, Stephen MD | Intermountain Health Heart & Vascular - Butte Clinic | (406) 723-2951 |
| Cooper, Benjamin MD | Butte Clinic- Radiology | (406) 723-2500 |
| Cooper, Benjamin MD | Diversified Radiology | (303) 914-8800 |
| Cordina, Steve MD | St. Vincent Neurosurgery | (406) 237-5577 |
| Corey, Shawn MD PHD | SJMG Radiology | (406) 723-2500 |
| Corey, Shawn MD PHD | Diversified Radiology | (303) 914-8800 |
| Cotton, Casey DO | Eastern Radiological Associates | (406) 237-5490 |
| Cox, Andrew MD | Beartooth Billings Clinic | (406) 446-2345 |
| Cox, Andrew MD | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Cox, Andrew MD | Big Horn Hospital | (406) 665-2310 |
| Cox, Andrew MD | Midway Clinic DBA Three Rivers Health | (307) 568-3311 |
| Cox, Andrew MD | Pioneer Medical Center | (406) 932-4603 |
| Cox, Andrew MD | South Big Horn County Hospital District DBA Three Rivers Health | (307) 568-3311 |
| Cox, Joeleen DC | Ottun Chiropractic PC | (406) 259-9383 |
| Craddock, Mike MS, LCPC | Highland Mountains Counseling | (406) 299-2812 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - Belgrade | (406) 924-5754 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - Hardin Clinic | (406) 665-4103 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - Wyola | 406-665-4103 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - St. Labre | (406) 784-6721 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - Miles City | (406) 874-8700 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - Lewistown | (406) 535-6545 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - Harlem Sweet | (406) 353-4861 |
| Craig (Lidberg), Meghan LCPC, LAC | BVHC DBA One Health - Hardin School | 406-665-4103 |
