| Giovanini, Mario MD | Sound Physicians | (406) 237-7000 |
| Gislason, Eric DC | Gislason Family Chiropractic | (406) 862-9700 |
| Glaser, Randall PA-C | Ortho Montana, PSC | (406) 237-5050 |
| Glaser, Randall PA-C | Ortho Montana PSC - Westend | (406) 237-5050 |
| Gneiting, Robert FNP | Wheatland Memorial Hospital | (406) 632-4351 |
| Gneiting, Robert FNP | Bair Memorial Clinic | (406) 632-4343 |
| Goddard, Allison MD | SVHC Dermatology & Skin | (406) 237-7999 |
| Godlewski, Kris MD | SVH Montana Heart Institute | (406) 237-5001 |
| Godlewski, Kris MD | SJMG Heart Center | (406) 723-2420 |
| Goldberg, Jamie ACPN | Bair Memorial Clinic | (406) 632-4343 |
| Goldberg, Jamie ACPN | Wheatland Memorial Hospital | (406) 632-4351 |
| Goodman, Stuart MD | SVHC Neuroscience Center | (406) 237-5577 |
| Goodman, Stuart MD | SVHC Neurosurgery - Billings | (406) 237-5577 |
| Gottman, Dirk MD | Ohana Providers, PLLC | (406) 272-4631 |
| Graham, Kenneth MD | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Graham, David MD | SVHC Sleep & Respiratory Center | (406) 238-6800 |
| Graham, Cynthia LCPC | The Center for Creative Counseling & Play Therapy | (406) 702-2309 |
| Grantham, Dianna LCPC LAC | Dianna Grantham LCPC LAC | (406) 927-6119 |
| Greenberg, Ari PA-C | Planned Parenthood of Montana - Missoula | (406) 728-5490 |
| Greenberg, Ari PA-C | Planned Parenthood of Montana - Great Falls | (406) 454-3431 |
| 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 |
| Greer, Ruby APRN | Planned Parenthood of Montana - Helena | (406) 446-7676 |
| Gregory, Joe DO | SJMG Rocky Mountain Clinic | (406) 496-3633 |
