| Provider | Group Practice/Location | Office Phone |
| Cunningham, Kristopher MD | SVH Hospitalists | (406) 237-3850 |
| Cunningham, Kristopher MD | Cogent Healthcare of MT dba Sound Physicians | (406) 657-7000 |
| Curry, Edward MD | SJMG Ortho Now | (406) 496-3400 |
| Dahl, Dona MD | Billings OB/GYN Associates PC | (406) 248-3607 |
| Dailey, Charles LCSW | Holy Rosary Hospital - Primary Care Clinic | (406) 233-2500 |
| Daines, Turner DO | Eastern Radiological Associates | (406) 237-5490 |
| Daley, Douglas DC | W Bar Chiropractic, LLC Glendive | (406) 377-2543 |
| Dalton, Abigail PA-C | RiverStone Health | (406) 247-3350 |
| Dangerfield, Shane MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Davidson, Polly PA-C | North Shiloh Clinic - Family Medicine | (406) 237-8989 |
| Davidson, Joseph PA-C | BVHC DBA One Health - Cody | 307-291-0447 |
| Davidson, Joseph PA-C | BVHC DBA One Health - Sheridan | (307) 674-6995 |
| Davidson, Joseph PA-C | BVHC DBA One Health - Powell | (307) 764-4107 |
| Davidson, Joseph PA-C | BVHC DBA One Health - Lovell | (307) 548-9123 |
| Davidson, Joseph PA-C | BVHC DBA One Health - Greybull | (307) 765-1450 |
| Davidson, Scott MD | Holy Rosary Healthcare | (406) 233-2600 |
| Davis, Kevin PA | Intermountain Health Heart & Vascular - Downtown Cardiothoracic & Vascular Surgery | (406) 237-5001 |
| Davis, Lauren LCSW | Big Sky Behavioral Health Inc | (406) 672-8411 |
| Daya, Michelle MD | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| Daya, Michelle MD | Holy Rosary Healthcare | (406) 233-2600 |
| Dayton, Bradley DO | Intermountain Health - Billings Pediatric Cardiology | (406) 237-5300 |
| De Guzman, Ireneo CRNA | Beartooth Billings Clinic | (406) 446-2345 |
| De Guzman, Ireneo CRNA | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| De Mory, Anthony MD | Downtown Clinic - Nephrology | (406) 237-5770 |
| De Mory, Anthony MD | Cody Clinic - Nephrology Outreach | (406) 237-5770 |