| Provider | Group Practice/Location | Office Phone |
| Bullman, Jon MD | Broadwater Clinic - Walk-in | (406) 237-8550 |
| Bullman, Jon MD | Broadwater Clinic - Family Medicine | (406) 237-5200 |
| Burbach, Brynn CRNA | Diamond Anesthesia PC - Billings | (406) 219-0700 |
| Burfeind, Gregory MD | Beartooth Billings Clinic | (406) 446-2345 |
| Burfeind, Gregory MD | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Burke, Andrew MD | Diversified Radiology | (303) 914-8800 |
| Burns, Douglas DO | St. Vincent Regional Hospital Palliative Care | (406) 237-3913 |
| Burry, Scott MD | Intermountain Health Holy Rosary Hospital | (406) 233-2600 |
| Burton, Susan CNM | Downtown Clinic - Midwifery & Women\'s Health | (406) 238-6010 |
| Burton, Dennis MD | Eastern Radiological Associates | (406) 237-5490 |
| Bushman, Brian DC | Chiropractic First Heights | (406) 248-3744 |
| Bushman, Brian DC | Bull Mountain Chiropractic | (406) 323-3273 |
| Butler, Erin PA-C | Beartooth Billings Clinic | (406) 446-2345 |
| Butler, Erin PA-C | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Butler, Steven MD | Ear, Nose & Throat Associates | (406) 238-6161 |
| Butz, Michael PhD | Downtown Clinic - Behavioral Health Associates | (406) 237-3585 |
| Cahill, Anne MD | Intermountain Health Heart & Vascular - Downtown Cardiac & Vascular Surgery | (406) 238-6820 |
| 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 |
| Cai, David MD | Ear, Nose & Throat Associates | (406) 238-6161 |
| Cameron, James MD | SVHC Neonatal Intensive Care | (406) 237-7076 |
| Campbell, Andrew PA | Cogent Healthcare of MT, PC dba Sound Physicians of MT | (406) 657-7000 |