| Levesque, Ali LCPC | Yellowstone Boys & Girls Ranch - Clinic | (406) 655-2100 |
| Lew, DeKrisha MD | SVHC Broadwater | (406) 237-5200 |
| Lew, DeKrisha MD | SVHC Internal Medicine | (406) 238-6900 |
| 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, Megan MD | RiverStone Health Clinic | (406) 247-3350 |
| Littlefield, Megan MD | RiverStone Health Clinic - Bridger | (406) 662-3740 |
| Littlefield, Megan MD | RiverStone Health Clinic - Joliet | (406) 962-9062 |
| Littlefield, Megan MD | RiverStone Health Clinic - Worden | (406) 967-2255 |
| Littlefield, Jay MD | Holy Rosary Healthcare | (406) 233-2600 |
| Littlefield, Jay MD | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| Lizotte, Michelle MD | Pioneer Medical Center | 406-932-4603 |
| 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 |
| Loudermilk , Alexandra FNP | BVHC - Sweet Medical Center - Harlem | (406) 353-4861 |
