| Provider | Group Practice/Location | Office Phone |
| Nagy, Justin PA-C | Holy Rosary Healthcare | (406) 233-2600 |
| Nagy, Justin PA-C | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| Nagy, Justin PA-C | Butte Flats Clinic - Family Medicine | (406) 299-8400 |
| Naheedy, John MD | Diversified Radiology | (303) 914-8800 |
| Nalivka, Roman LCPC | Personal Development - Roman Nalivka | (406) 491-5298 |
| Nalivka, Roman LCPC | Yellowstone Boys & Girls Ranch | (406) 656-3112 |
| Nandalur, Mohan MD | Intermountain Health Heart & Vascular - Downtown Cardiothoracic & Vascular Surgery | (406) 237-5001 |
| Nandalur, Mohan MD | SJMG Heart Center | (406) 723-2420 |
| Nandalur, Mohan MD | Intermountain Health Heart & Vascular - Butte Clinic | (406) 723-2951 |
| Nanigian, Danielle MD | NEMHS - Poplar Community Hospital | (406) 768-6100 |
| Nanigian, Danielle MD | NEMHS - Trinity Hospital | (406) 653-6500 |
| Napoliello, David MD | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Nash, Maria PT | Ortho Montana PSC | (406) 237-5050 |
| Nasson, Scott MD | Butte Clinic - Orthopedics | (406) 496-3400 |
| Nay, Samuel MD | St. James Emergency Physicians | (406) 723-2585 |
| Ndubizu, Gordian DO | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Neal, James MD | Ortho Montana PSC | (406) 237-5050 |
| Neal, James MD | Intermountain Health Holy Rosary Hospital | (406) 233-2600 |
| Neal, James MD | Intermountain Health Holy Rosary Hospital - Orthopedics | 406-223-4000 |
| Neal, James MD | Ortho Montana PSC - Miles City | 406-237-5050 |
| Nearpass, Trenna DPT | Physical Therapy in Motion - Downtown | (406) 969-2518 |
| Nebeker, Douglas DC | Bull Mountain Chiropractic | (406) 323-3273 |
| Nebeker, Douglas DC | Chiropractic First Laurel | (406) 628-4622 |
| Nebeker, Douglas DC | Chiropractic First West | (406) 652-6700 |
| Needham, Charles MD |