| Provider | Group Practice/Location | Office Phone |
| Stricker, Lisa NP, FNP MSN, FNP-BC | N. 27th Walk-in Clinic | (406) 237-5110 |
| Stricker, Lisa NP, FNP MSN, FNP-BC | North Shiloh Clinic - Transitional Care Group | (406) 237-8282 |
| Stricker, Lisa NP, FNP MSN, FNP-BC | SVHC Emergency & Trauma Center | (406) 237-4116 |
| Strickland, Colin MD | Diversified Radiology | (303) 914-8800 |
| Strizich, Thomas MD | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Stroebe, Kevyn DO | Downtown Clinic - Internal Medicine | (406) 238-6900 |
| Stroebe, Kevyn DO | Intermountain Health West End Clinic - Internal Medicine | (406) 238-6900 |
| Sue, Veronica MD | Diversified Radiology | (303) 914-8800 |
| Sue, Veronica MD | SJMG Radiology | (406) 723-2500 |
| Sullivan, Brian MD | Cogent Healthcare of MT, PC dba Sound Physicians of MT | (406) 657-7000 |
| Sullivan, Brian MD | Community Clinic - Fallon Memorial Hospital | (406) 778-3331 |
| Sullivan, Brian MD | Community Clinic DBA Fallon Medical Complex | (406) 778-2833 |
| Sullivan, Brian MD | Wibaux Clinic DBA Fallon Medical Complex | (406) 778-2833 |
| Sullivan, Brian MD | Community Clinic - Fallon Medical Complex | (406) 778-3331 |
| Sullivan, Mark PA-C | Ortho Montana PSC | (406) 237-5050 |
| Sullivan, Mark PA-C | Ortho Montana PSC - Westend | (406) 237-5050 |
| Sullivan, Stacey LCPC | Yellowstone Boys & Girls Ranch | (406) 656-3112 |
| Summers, Bree LCPC | Courage Through Counseling PLLC | (406) 861-7412 |
| Sunku, Pranay MD | Diversified Radiology | (303) 914-8800 |
| Supple, Kayla LCSW | BVHC DBA One Health - Ashland | (406) 784-2346 |
| Supple, Kayla LCSW | BVHC DBA One Health - Chinook | (406) 357-2294 |
| Supple, Kayla LCSW | BVHC DBA One Health - Dawson | 406-377-9410 |
| Supple, Kayla LCSW | BVHC DBA One Health - Glendive | (406) 815-5831 |
| Supple, Kayla LCSW | BVHC DBA One Health - Hardin | (406) 665-4103 |
| Supple, Kayla LCSW | BVHC DBA One Health - Hardin Campus | (406) 665-4103 |