| Woods, Lynda LCSW | RiverStone Health Clinic | (406) 247-3350 |
| Wreggelsworth, Amanda PA-C | SVH Hospitalists | (406) 237-3850 |
| Wreggelsworth, Amanda PA-C | Sound Physicians | (406) 237-7000 |
| Wright , Matthew MD | SVH Hospitalists | (406) 237-3850 |
| Wright , Matthew MD | Sound Physicians | (406) 237-7000 |
| Yang , Christopher MD | SVHC Yellowstone Urology | (406) 237-5400 |
| Yapuncich, Kathleen MD | The Children's Clinic of Billings - Outpatient | (406) 281-8700 |
| Yapuncich, Kathleen MD | The Children's Clinic of Billings, PC | (406) 281-8700 |
| Yapuncich, Victor MD | SVHC West Grand Family Medicine | (406) 237-5353 |
| Yates, Brooke PA-C | SVHC Absarokee Clinic | (406) 328-4497 |
| Yates, Brooke PA-C | SVHC Mountainview Clinic | (406) 446-3800 |
| Yellowstone Pathology, Institute, Laboratory | Yellowstone Pathology Institute, Inc. | (406) 238-6360 |
| Yellowstone Surgery Center, Ambulatory Surgery Center | Yellowstone Surgery Center | (406) 237-5900 |
| Yellowstone Surgery Center West | Yellowstone Surgery Center West | (406) 237-5900 |
| Yen , Christopher MD | SVPN Intensivists | (406) 237-7200 |
| Yonts, Shannon MD | The Children's Clinic of Billings - Outpatient | (406) 281-8700 |
| Yonts, Shannon MD | The Children's Clinic of Billings, PC | (406) 281-8700 |
| Yorgason, Michael MD | Ortho Montana, PSC | (406) 237-5050 |
| Yorgason, Michael MD | Ortho Montana PSC - Westend | (406) 237-5050 |
| Young , Allan DO | SVHC Heart & Vascular Center | (406) 238-6820 |
| Zakrzewski, John PT | Mountain Land Rehabilitation Inc dba Mountain Land Physical Therapy - Westend | (406) 656-0950 |
| Zakrzewski, John PT | Mountain Land Rehabilitation Inc dba Mountain Land Physical Therapy - Laurel | (406) 633-4620 |
| Zakrzewski, John PT | Mountain Land Rehabilitation Inc dba Mountain Land Physical Therapy - Heights | (406) 206-6888 |
| Zamarra, John MD | SVH Montana Heart Institute | (406) 237-5001 |
| Zatorowski , Rebecca APRN | Planned Parenthood of Montana - Great Falls | (406) 454-3431 |
