| Lew, DeKrisha MD | SVHC Bozeman Clinic | (406) 556-5888 |
| Lewis, Daniel MD | Holy Rosary Healthcare | (406) 233-2600 |
| Lewis, Daniel MD | SVH Emergency Department | (406) 237-4116 |
| Lewis, Debra MD | SJMG Emergency Physicians | (406) 723-2585 |
| Li, Shuang MD | SVH Hospitalists | (406) 237-3850 |
| Li, Shuang MD | Sound Physicians | (406) 237-7000 |
| Linde, Brian OD | Heights Eyecare, Inc. | (406) 252-9927 |
| Linse-Frost, Janet LCPC | Janet Linse-Frost, PLLC | (406) 256-1200 |
| Lippert, Kristine PA-C | SVHC Neuroscience Center | (406) 237-5577 |
| Lippert, Kristine PA-C | SVHC Neurosurgery - Billings | (406) 237-5577 |
| Littlefield, Jay MD | Holy Rosary Healthcare | (406) 233-2600 |
| Littlefield, Jay MD | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| Loh , John MD | SJMG Radiation Oncology | (406) 723-2621 |
| Lopez, Melissa NP | SVHC Maternal Fetal Medicine | (406) 237-8480 |
| Lopez, Melissa NP | SVHC Midwifery & Womens Clinic - Billings | (406) 238-6010 |
| Lorash, Amy SLP | Yellowstone Therapy Center LLC | (406) 534-2087 |
| Lowney, Elizabeth LCPC | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Lowrimore, James LAC | Rimrock Foundation | (406) 248-3175 |
| Lowther, Christopher MD | Big Horn Basin Skin Centre & Internal Medicine | (307) 587-7000 |
| Lucas, Martin MD | SVH Frontier Cancer Center | (406) 238-6290 |
| Lucas, Bobby FNP | PURE Infusion Suites of MT LLC - Great Falls | (406) 384-7002 |
| Luem, C. Nick MD | Yellowstone Pathology Institute, Inc. | (406) 238-6360 |
| Luem, C. Nick MD | Yellowstone Pathologists, PC - Bozeman | 406-585-1004 |
| Lutsyk, Olga DO | RiverStone Health Clinic | (406) 247-3350 |
| Lutsyk, Olga DO | SVHC West Grand Family Medicine | (406) 237-5353 |
