| Sullivan, Mark PA-C | Ortho Montana PSC - Westend | (406) 237-5050 |
| Sullivan, Scott MD | Copper City Radiology, PC | (406) 461-2953 |
| Summers, Bree LCPC | Courage Through Counseling, PLLC | (406) 861-7412 |
| Sutliffe, Edward NP | SVHC OCC Health | (406) 237-8855 |
| Swan, Russell MD | Vance Thompson Vision MT, LLC - Bozeman | (406) 219-0700 |
| Swan, Russell MD | Vance Thompson Vision MT, LLC - Billings | (406) 620-3937 |
| Swanton, James PT | Ortho Montana, PSC | (406) 237-5050 |
| Swanton, James PT | Ortho Montana PSC - Heights | (406) 896-1397 |
| Swanton, James PT | Ortho Montana PSC - Westend | (406) 237-5050 |
| Sweeney, Keelin NP | SVH Hospitalists | (406) 237-3850 |
| Sweeney, Keelin NP | Sound Physicians | (406) 237-7000 |
| Sweney, Matthew MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Switzer, Jr., David MD | Eye Physicians & Surgeons | (406) 252-5681 |
| Tague , David MD | Copper City Radiology, PC | (406) 461-2953 |
| Tallman, Philip MD | Tallman Dermatology | (406) 294-9515 |
| Tapia, Lionel MD | The Children's Clinic of Billings, PC | (406) 281-8700 |
| Tapia, Lionel MD | Ohana Providers, PLLC | (406) 272-4631 |
| Tapia, Lionel MD | The Children's Clinic of Billings - Outpatient | (406) 281-8700 |
| Tatari, Atif DO | SVH Montana Heart Institute | (406) 237-5001 |
| Tate, Erin LCSW | Erin Tate Therapy LLC | (406) 306-4689 |
| Taylor, Rainya LCPC | Rainya Taylor LCPC LLC | (406) 670-7982 |
| Taylor, Andrew PA-C | SVHC Yellowstone Urology | (406) 237-5400 |
| Teller, Jordan NP | SVHC Billings Transitional Care | (406) 237-8282 |
| Teller, Jordan NP | SVHC Internal Medicine & Diabetes Center | (406) 237-8500 |
| Templeton, Mark MD | Mark A. Templeton MD PLLC | (406) 248-7186 |
