| Provider | Group Practice/Location | Office Phone |
| Dubovsky, Elizabeth MD | Eastern Radiological Associates | (406) 237-5490 |
| Ducharme, Ethan PA-C | BVHC DBA One Health - Greybull | (307) 765-1450 |
| Ducharme, Ethan PA-C | BVHC DBA One Health - Lovell | (307) 548-9123 |
| Ducharme, Ethan PA-C | BVHC DBA One Health - Powell | (307) 764-4107 |
| Ducharme, Ethan PA-C | BVHC DBA One Health - Sheridan | (307) 674-6995 |
| Ducharme, Ethan PA-C | BVHC DBA One Health - Whitney Building | (307) 674-6995 |
| Ducharme, Ethan PA-C | BVHC DBA One Health - Cody | 307-291-0447 |
| Duda, Christine LCPC | Summit Healing Center | (406) 272-3223 |
| Duffin, Garrett DPT | Ortho Montana PSC | (406) 237-5050 |
| Duffin, Garrett DPT | Ortho Montana PSC - Rocky Mtn College | 406-237-5050 |
| Duke, Dustin MS, LCPC, LAC | Duke Counseling | (406) 200-4612 |
| Dull, Jennifer OD | Heights Eyecare Inc | (406) 252-9927 |
| Dunn, Jeffrey FNP MSN | Ear, Nose & Throat Associates | (406) 238-6161 |
| Dunn, Joel MD | Ear, Nose & Throat Associates | (406) 238-6161 |
| Dunning, Kee LCPC | Kee A. Dunning MS LCPC | (406) 860-1137 |
| Durbin, Shayne DC | Great Montana Chiropractic | (406) 545-2128 |
| Durden, Angela MD | Yellowstone Pathologists PC - Billings | (406) 238-6360 |
| Durden, Angela MD | Yellowstone Pathologists PC - Bozeman | (406) 585-1004 |
| Durden, Angela MD | Yellowstone Pathology Institute Inc - Billings | (406) 238-6360 |
| Dvoracek, Dustin CRNA | Beartooth Billings Clinic | (406) 446-2345 |
| Dvoracek, Dustin CRNA | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Dvorak, Elizabeth FNP | Big Horn Hospital | (406) 665-2310 |
| Dyckman, Kimberly PA | Heights Clinic - Family Medicine | (406) 237-8300 |
| D\'amico, Kelly MD | Diversified Radiology | (303) 914-8800 |
| D\'Amour, Carla CRNA | Butte Clinic - Anesthesia | (406) 723-2472 |