
| Provider | Group Practice/Location | Office Phone |
| Simpson, Londa LCPC | New Day, Inc | (406) 545-0486 |
| Sims, David MD | Intermountain Health Heart & Vascular - Downtown Cardiac & Vascular Surgery | (406) 238-6820 |
| Sims, David MD | Intermountain Health Heart & Vascular - Gallatin Thoracic & Vascular Surgery Outreach | (406) 613-7999 |
| Singh, Nirmal MD | Intermountain Health Holy Rosary Hospital | (406) 233-2600 |
| Singh, Nirmal MD | St. Vincent Hospitalists | (406) 237-3850 |
| Sirek, Roger DC | Vitality A Professional Corporation DBA Billings Chiropractic Injury Clinic | (406) 969-3805 |
| Sironi, Rindo MD | Billings OB/GYN Associates PC | (406) 248-3607 |
| Sise, Robert MD | Rimrock Foundation | (406) 248-3175 |
| Sizemore, Dorothy DO | Riverstone Health Clinic | (406) 697-0976 |
| Skarda, David MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Slyngstad, Tyler MD | Intermountain Health Heart & Vascular - Cody Clinic | (406) 237-5001 |
| Slyngstad, Tyler MD | Intermountain Health Heart & Vascular - Downtown Cardiothoracic & Vascular Surgery | (406) 237-5001 |
| Slyngstad, Tyler MD | SJMG Heart Center | (406) 723-2420 |
| Slyngstad, Tyler MD | Intermountain Health Heart & Vascular - Butte Clinic | (406) 723-2951 |
| Slyngstad, Tyler MD | Cody Clinic - Cardiology Outreach | (406) 237-5001 |
| Smith, Marty \"LIZ\" LCPC LAC | Journey of Healing Psychotherapy and Consulting | (406) 414-9140 |
| Smith, Kelsey SLP | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Smith, Wanda LCPC | Wanda M. Smith PLLC | (406) 690-1616 |
| Smith, Jeffrey DPT | Alpenglow Physical Therapy | 406-534-1066 |
| Smith, Jeffrey DPT | AlpenGlow Physical Therapy | 406-534-1055 |
| Smith, Pamela DNP, FNP | ||
| Smith, Pamela DNP, FNP | Broadwater Clinic - Walk-in | (406) 237-8550 |
| Smith, Pamela DNP, FNP | Heights Clinic - Walk-in | (406) 237-8400 |
| Smith, Pamela DNP, FNP | N. 27th Walk-in Clinic | (406) 237-5110 |
| Smith, Pamela DNP, FNP | West End Clinic - Walk In | (406) 901-2580 |