| Leenheers, Kaitlyn PA | Butte Clinic - Maternal Fetal Medicine | (406) 237-8480 |
| Legare, Bethany PT | NEMHS- Faith Lutheran Home | (406) 653-6421 |
| Legare, Bethany PT | NEMHS- Listerid Rural Health Clinic | (406) 653-2501 |
| Legare, Bethany PT | NEMHS- Poplar Community Hospital | (406) 768-6100 |
| Legare, Bethany PT | NEMHS- Riverside Family Clinic | (406) 768-5171 |
| Legare, Bethany PT | NEMHS- Trinity Hospital | (406) 653-6500 |
| Legere, Nicole FNP | Bair Memorial Clinic | (406) 632-4343 |
| Legere, Nicole FNP | Big Horn Hospital | (406) 665-2310 |
| Lehman, Melanie PA-C | Billings Dermatology PC - Billings | (406) 294-9515 |
| Lehman, Dustin LCPC | Dustin Lehman LCPC | 406-815-8255 |
| Leinart-Murch, Peggy LCPC | Yellowstone Boys & Girls Ranch | (406) 656-3112 |
| Leintz, Jessica DPT | Laurel Clinic - Physical Therapy | (406) 628-2831 |
| Lemelin, Charise MSW, LCSW | Yellowstone Boys & Girls Ranch | (406) 656-3112 |
| Lemelin, Charise MSW, LCSW | Yellowstone Boys & Girls Ranch - Clinic | (406) 655-2100 |
| Leone, Richard MD PHD | | |
| Leslie (was Norcross), Dawn LAC | Riverstone Health Clinic | (406) 697-0976 |
| Letzing, Michael MD | Diversified Radiology | (303) 914-8800 |
| Levy, Mark MD | St. Vincent Regional Hospital Neurosciences | (406) 237-5577 |
| Lew, DeKrisha MD | Bozeman Midtown Clinic - Family Medicine | (406) 556-5888 |
| Lewis, Daniel MD | Holy Rosary Healthcare | (406) 233-2600 |
| Lewis, Daniel MD | SVHC Emergency & Trauma Center | (406) 237-4116 |
| Lewis, John LAC | Mental Health Center - Billings | (406) 252-5658 |
| Lewis, Debra MD | SJMG Emergency Physicians | (406) 723-2585 |
| Lidberg, Meghan LCPC, LAC | BVHC DBA One Health - Ashland | (406) 784-2346 |
| Lidberg, Meghan LCPC, LAC | BVHC DBA One Health - Chinook | (406) 357-2294 |
