| Provider | Group Practice/Location | Office Phone |
| 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 |
| Greene, Lydia LCSW, MSW | Kessler\'s Counseling - Billings | (406) 876-3931 |
| Greer, Aja CNM | Downtown Clinic - Midwifery & Women\'s Health | (406) 238-6010 |
| Greer, Christopher LAC | Rimrock Foundation | (406) 248-3175 |
| Gregory, Joe DO | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Grenier, Gregory DO | Ortho Montana PSC | (406) 237-5050 |
| Grier, Brian PA | Intermountain Health Connect Care - Urgent Care & Physical Therapy MT | 801-442-5502 |
| Griffeth, Susan NP | Intermountain Health Heart & Vascular - Butte Cardiac Interpretations | (406) 496-3633 |
| Griffeth, Susan NP | Intermountain Health Heart & Vascular - Gallatin Clinic | (406) 613-7999 |
| Griffin, Steven DO | Holy Rosary Healthcare | (406) 233-2600 |
| Griffin, Steven DO | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| 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 |
| Groff, Kelsie APRN | Intermountain Health West End Clinic - Walk In | (406) 901-2580 |
| Groff, Kelsie APRN | Laurel Clinic - Walk-in | (406) 237-3160 |
| Groff, Kelsie APRN | N. 27th Walk-in Clinic | (406) 237-5110 |
| Groover, Michael DO | Ortho Montana PSC | (406) 237-5050 |
| Groover, Michael DO | Intermountain Health Holy Rosary Hospital | (406) 233-2600 |
| Groover, Michael DO | Intermountain Health Holy Rosary Hospital - Orthopedics | 406-223-4000 |
| Groover, Michael DO | Ortho Montana PSC - Lewistown | 406-237-5050 |
| Groover, Michael DO | Ortho Montana PSC - Miles City | 406-237-5050 |