| Provider | Group Practice/Location | Office Phone |
| Littlefield , Megan MD | RiverStone Health Clinic - Worden | (406) 967-2255 |
| Littlefield , Megan MD | RiverStone Health - Medicine Crow School | (406) 247-3210 |
| Littlefield , Megan MD | RiverStone Health - Orchard School | (406) 247-3210 |
| Littlefield , Megan MD | RiverStone Health - Senior High School | (406) 247-3350 |
| Llobet, Holly MD | St. Vincent Regional Hospital - Adult Critical Care | (406) 237-7200 |
| Lloyd, Michael MD | SVHC Fortin Pediatric Specialty Clinic | (406) 237-5300 |
| Loessberg, Amanda LCSW | BVHC DBA One Health - Hardin Clinic | (406) 665-4103 |
| Logan, Austin LCPC | Austin Logan LCPC | (406) 413-1118 |
| Looka, Lane NP | St. Vincent Regional Hospital - Emergency & Trauma Center | (406) 237-4116 |
| Lopez Aponte, Leynibel LCSW | Intermountain Health Connect Care - Behavioral Health | 833-442-2670 |
| Lovec, Cory PharmD | Riverstone Health Clinic | (406) 697-0976 |
| Lowartz, Kurt MD | Roundu Memorial Hospital | (406) 323-3337 |
| Lowartz, Kurt MD | Roundup Memorial Healthcare Clinic | (406) 323-3337 |
| Lowrance, Krystle NP | ||
| Lowrance, Krystle NP | Broadwater Clinic - Walk-in | (406) 237-8550 |
| Lowrance, Krystle NP | Heights Clinic - Walk-in | (406) 237-8400 |
| Lowrance, Krystle NP | N. 27th Walk-in Clinic | (406) 237-5110 |
| Lowrance, Krystle NP | West End Clinic - Walk-In | (406) 901-2580 |
| Lowther, Christopher MD | Big Horn Basin Skin Centre & Internal Medicine | (307) 587-7000 |
| Loy, Travis MD | Heights Clinic - Family Medicine | (406) 237-8300 |
| Lubeck, Zachary DPM | Rimrock Podiatry | (406) 256-0077 |
| Lucas, Martin MD | St. Vincent Regional Hospital - Cancer Centers of Montana | (406) 238-6290 |
| Lucas, Martin MD | Holy Rosary Hospital - Primary Care Clinic | (406) 233-2500 |
| Lucas, Martin MD | Intermountain Health Holy Rosary Hospital | (406) 233-2600 |
| Luellen, Allison PA-C | Intermountain Montana Virtual Care Clinic | (406) 237-5110 |