| Byron , Robert MD | Bighorn Valley Health Center - St Labre | (406) 784-6721 |
| Byron , Robert MD | Bighorn Valley Health Center - Hardin | (406) 665-4103 |
| Byron , Robert MD | Bighorn Valley Health Center - Ashland | (406) 784-2346 |
| Byron , Robert MD | Bighorn Valley Health Center - Miles City | (406) 874-8700 |
| Byron , Robert MD | BVHC - Sweet Medical Center - Chinook | (406) 357-2294 |
| Byron , Robert MD | BVHC Central MT Community Health Center - Lewistown | (406) 535-6545 |
| Cai, David MD | Ear, Nose & Throat Associates | (406) 238-6161 |
| Caldemeyer, Karen MD | Copper City Radiology, PC | (406) 461-2953 |
| Calkins, Terry OT | Ortho Montana, PSC | (406) 237-5050 |
| Calkins, Terry OT | Ortho Montana PSC - Westend | (406) 237-5050 |
| Callaway, Edward MD | Copper City Radiology, PC | (406) 461-2953 |
| Cameron, James MD | SVH Neonatology | (406) 237-7076 |
| Cancro, Christopher MD | SVH Hospitalists | (406) 237-3850 |
| Cancro, Christopher MD | SVHC West Grand Family Medicine | (406) 237-5353 |
| Cancro, Christopher MD | Sound Physicians | (406) 237-7000 |
| Candella, Sandi PA-C | SVHC Heart & Vascular Center | (406) 238-6820 |
| Caprata, Kimberley PA-C | SVHC Hardin Clinic | (406) 665-2205 |
| Carent Laboratory Solutions - Billings | Carent Laboratory Solutions - Billings | (406) 237-8025 |
| Carent Laboratory Solutions - Butte | Carent Laboratory Solutions - Butte | (406) 723-2603 |
| Carling, Jon PT | SVHC Laurel Medical Center | (406) 628-6311 |
| Carlson, Kyla DO | Billings OB\GYN Associates, PC | (406) 248-3607 |
| Carr, Pattie RD | Bair Memorial Clinic | (406) 632-4343 |
| Carr, Pattie RD | Wheatland Memorial Hospital | (406) 632-4351 |
| Carrington-Hellier, Crystal OD | Billings Family Optical | (406) 245-2299 |
| Carson, Craig MD | PURE Infusion Suites of MT LLC - Billings | (406) 702-1327 |
