| Kahn, Frederick MD | SVHC Cody Sleep & Respiratory Center | (307) 578-1800 |
| Kahn, Frederick MD | SVPN Intensivists | (406) 237-7200 |
| Kanning, Beth SLP | Hearing & Speech Connection - Billings | (406) 969-2770 |
| Kanning, Beth SLP | Hearing & Speech Connection - Glendive | (406) 233-4327 |
| Kanning, Beth SLP | Hearing & Speech Connection - Miles City | (406) 233-4327 |
| Karimian, Siamak MD | Intermountain Health Heart & Vascular - Downtown Cardiothoracic & Vascular Surgery | (406) 237-5001 |
| Karr (maiden name: Larsen), Sandi LAC, LCPC | Riverstone Health Clinic | (406) 247-3350 |
| Karr (maiden name: Larsen), Sandi LAC, LCPC | RiverStone Health Clinic - Bridger | (406) 662-3740 |
| Karr (maiden name: Larsen), Sandi LAC, LCPC | RiverStone Health Clinic - Joliet | (406) 962-9062 |
| Karr (maiden name: Larsen), Sandi LAC, LCPC | RiverStone Health Clinic - Worden | (406) 967-2255 |
| Kassis, Christine MD | Diversified Radiology | (303) 914-8800 |
| Kassis, Christine MD | SJMG Radiology | (406) 723-2500 |
| Kassmier, Lesly LCPC | Yellowstone Boys & Girls Ranch | (406) 655-2100 |
| Kastenberg, Zachary MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Kautz, Robert OD | Kautz Optometry | (406) 248-1676 |
| Kauwe, Merrell DPM | Rimrock Podiatry | (406) 256-0077 |
| Kaviratne, Summanther \"Anthony\" MD | Intermountain Health Heart & Vascular - Downtown Cardiothoracic & Vascular Surgery | (406) 237-5001 |
| Kaye, Gregory DC | Chiropractic Health Associates, PLLC | (406) 656-3333 |
| Keck (previously Marris), Katerie PA | Planned Parenthood of Montana - Great Falls | (406) 454-3431 |
| Keck (previously Marris), Katerie PA | Planned Parenthood of Montana - Heights | (406) 869-5040 |
| Keck (previously Marris), Katerie PA | Planned Parenthood of Montana - Helena | (406) 443-7676 |
| Keck (previously Marris), Katerie PA | Planned Parenthood of Montana - Missoula | (406) 728-5490 |
| Keck (previously Marris), Katerie PA | Planned Parenthood of Montana - West | (406) 656-9980 |
| Keehn, Naomi PA-C | Riverstone Health Clinic | (406) 247-3350 |
| Keith, Katherine FNP | RiverStone Health | (406) 247-3350 |
