| Greenberg, Ari PA-C | Planned Parenthood of Montana - Billings Heights | (406) 869-5040 |
| Greenberg, Ari PA-C | Planned Parenthood of Montana - Billings West | (406) 656-9980 |
| Greenberg, Ari PA-C | Planned Parenthood of Montana - Helena | (406) 446-7676 |
| Greenberg, Ari PA-C | Planned Parenthood of Montana - Missoula | (406) 728-5490 |
| Greer, Ruby APRN | Planned Parenthood of Montana - Helena | (406) 446-7676 |
| Gregory, Joe DO | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Grewell, Donald DO | RiverStone Health Clinic | (406) 247-3350 |
| Grewell, Donald DO | Riverstone Health Lil Anderson Center | (406) 247-3200 |
| Grewell, Donald DO | RiverStone Health Clinic - Bridger | (406) 662-3740 |
| Grewell, Donald DO | RiverStone Health Clinic - Joliet | (406) 962-9062 |
| Grewell, Donald DO | RiverStone Health Clinic - Worden | (406) 967-2255 |
| Griffel, Jessica RD | SVHC Internal Medicine | (406) 238-6900 |
| Grinsell , Matthew MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Groover, Michael DO | Ortho Montana, PSC | (406) 237-5050 |
| Grossman, Amy PA-C | SVHC Neuroscience Center | (406) 237-5577 |
| Grossman, Amy PA-C | SVHC Neurosurgery - Billings | (406) 237-5577 |
| Grosulak, Lynn LCPC | Lynn M. Grosulak, PLLC | (406) 855-9446 |
| Grundy, Gabrielle MD | SJMG OB/GYN | (406) 496-3627 |
| Guirguis, George DO | SVHC Maternal Fetal Medicine | (406) 237-8480 |
| Gunlikson, Gabrielle OD | Heights Eyecare, Inc. | (406) 252-9927 |
| Gunnell, Jennifer MD | SVHC Nephrology | (406) 237-5770 |
| Gutierez , Consuelo LCSW | Healing Balance Therapy, PLLC | (406) 890-4016 |
| Guyer, James MD | RiverStone Health Clinic | (406) 247-3350 |
| Guyer, James MD | RiverStone Health Clinic - Bridger | (406) 662-3740 |
| Guyer, James MD | RiverStone Health Clinic - Joliet | (406) 962-9062 |
