| Provider | Group Practice/Location | Office Phone |
| Anand, Neil MD | NEMHS - Poplar Community Hospital | (406) 768-6100 |
| Anand, Neil MD | NEMHS - Trinity Hospital | (406) 653-6500 |
| Anderson, Christina PHARM D | Planned Parenthood of Montana - Missoula | (406) 728-5490 |
| Anderson, John DO | Eastern Radiological Associates | (406) 237-5490 |
| Anderson, Ty MD | St. Vincent Regional Hospital - Emergency & Trauma Center | (406) 237-4116 |
| Anderson, Carole NP | SVHC Neonatal Intensive Care | (406) 237-7076 |
| Anderson, Jill LAC, LCPC | Healing Space | (406) 393-0097 |
| Anderson, Kelli LCPC | BVHC DBA One Health - Cody | 307-291-0447 |
| Anderson, Kelli LCPC | BVHC DBA One Health - Whitney Building | (307) 674-6995 |
| Anderson, Kelli LCPC | BVHC DBA One Health - Sheridan | (307) 674-6995 |
| Anderson, Kelli LCPC | BVHC DBA One Health - Powell | (307) 764-4107 |
| Anderson, Kelli LCPC | BVHC DBA One Health - Lovell | (307) 548-9123 |
| Anderson, Kelli LCPC | BVHC DBA One Health - Greybull | (307) 765-1450 |
| Anderson-Dawson, Tracy PA-C | Diversified Radiology | (303) 914-8800 |
| Andrade, Bijan MD | Beartooth Billings Clinic | (406) 446-2345 |
| Andrade, Bijan MD | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Anzalone, Nicholas MD | Cogent Healthcare of MT dba Sound Physicians | (406) 657-7000 |
| Anzalone, Nicholas MD | SVH Hospitalists | (406) 237-3850 |
| Anzalone, Nicholas MD | St. Vincent Regional Hospital - Adult Critical Care | (406) 237-7200 |
| Apostol, Joseph MD | Intermountain Health Heart & Vascular - Downtown Cardiac & Vascular Surgery | (406) 238-6820 |
| Apostol, Joseph MD | ||
| Arefiev, Yevgeniy MD | Downtown Clinic - Gastroenterology | (406) 238-6380 |
| Armstrong, Todd CRNA | Butte Clinic - Anesthesia | (406) 723-2472 |
| Armstrong, Todd CRNA | Holy Rosary Healthcare | (406) 233-2600 |
| Armstrong, Todd CRNA | Holy Rosary Healthcare Clinic | (406) 233-2500 |