| Provider | Group Practice/Location | Office Phone |
| Graybeal, Troy MD | Big Horn Hospital | (406) 665-2310 |
| Graybeal, Troy MD | Midway Clinic DBA Three Rivers Health | (307) 568-3311 |
| Graybeal, Troy MD | Roundup Memorial Healthcare | (406) 323-2301 |
| Graybeal, Troy MD | Roundup Memorial Healthcare Clinic | (406) 323-3337 |
| Graybeal, Troy MD | South Big Horn Hospital District dba Three Rivers Health | (307) 568-3311 |
| Green, William MS, LCPC | BVHC DBA One Health - Ashland | (406) 784-2346 |
| Green, William MS, LCPC | BVHC DBA One Health - Chinook | (406) 357-2294 |
| Green, William MS, LCPC | BVHC DBA One Health - Dawson | 406-377-9410 |
| Green, William MS, LCPC | BVHC DBA One Health - Glendive | (406) 815-5831 |
| Green, William MS, LCPC | BVHC DBA One Health - Hardin | (406) 665-4103 |
| Green, William MS, LCPC | BVHC DBA One Health - Hardin Campus | (406) 665-4103 |
| Green, William MS, LCPC | BVHC DBA One Health - Hardin School | 406-665-4103 |
| Green, William MS, LCPC | BVHC DBA One Health - Harlem Sweet | (406) 353-4861 |
| Green, William MS, LCPC | BVHC DBA One Health - Lewistown | (406) 535-6545 |
| Green, William MS, LCPC | BVHC DBA One Health - Miles City | (406) 874-8700 |
| Green, William MS, LCPC | BVHC DBA One Health - St. Labre | (406) 784-6721 |
| Green, William MS, LCPC | BVHC DBA One Health - Wyola | 406-665-4103 |
| Green, William MS, LCPC | BVHC DBA One Health - Hardin Clinic | (406) 665-4103 |
| Green, William MS, LCPC | BVHC DBA One Health - Harlem | 406-353-4861 |
| Greenberg, Edward MD | St. Vincent Neurosurgery | (406) 237-5577 |
| Greenberg, Edward MD | St. Vincent Regional Hospital Neurology Service | (406) 237-3850 |
| Grenier, Gregory DO | Ortho Montana PSC | (406) 237-5050 |
| Grinsell, Matthew MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Groff, Kelsie APRN | Broadwater Clinic - Walk-in | (406) 237-8550 |
| Groff, Kelsie APRN | Heights Clinic - Walk-in | (406) 237-8400 |