
| Provider | Group Practice/Location | Office Phone |
| Nicola, Marcus FNP | Intermountain Health Heart & Vascular - Cody Clinic | (406) 237-5001 |
| Nicola, Marcus FNP | Intermountain Health Heart & Vascular - Downtown Cardiothoracic & Vascular Surgery | (406) 237-5001 |
| Nicola, Marcus FNP | Cody Clinic - Cardiology Outreach | (406) 237-5001 |
| Nicola, Marcus FNP | Cody Clinic - Vascular Outreach | (406) 238-6820 |
| Niles, DeAnna PA-C | Riverstone Health Clinic | (406) 697-0976 |
| Niles, DeAnna PA-C | RiverStone Health Clinic - Bridger | (406) 662-3740 |
| Niles, DeAnna PA-C | RiverStone Health Clinic - Joliet | (406) 962-9062 |
| Niles, DeAnna PA-C | RiverStone Health Clinic - Worden | (406) 967-2255 |
| Niles, DeAnna PA-C | Riverstone Health Lil Anderson Center | (406) 247-3350 |
| Noel, Michelle OTD | Hearing and Speech Connection- Billings | (406) 969-2770 |
| Noel, Michelle OTD | Montana Independent OT Advantage LLC | (406) 325-7037 |
| North, Thomas DO | West Grand Clinic - Family Medicine | (406) 237-5353 |
| Novakovich, Ashley LCSW | Moxy Counseling LLC | (406) 272-7098 |
| Nutting, Charles DO | Diversified Radiology | (303) 914-8800 |
| Oakes, Michael MD | Diversified Radiology | (303) 914-8800 |
| Oakes, Michael MD | SJMG Radiology | (406) 723-2500 |
| Oberg, Karen OTR/L | Aspen Grove Therapy and Wellness Center, LLC | (406) 541-2776 |
| Offerdahl, Daniel CRNA | Butte Clinic - Anesthesia | (406) 723-2472 |
| Ogger, Kelly LCSW | Big Sky Behavioral Health PLLC | (406) 672-8411 |
| Ohl, Theresa FNP-BC | Beartooth Billings Clinic | (406) 446-2345 |
| Ohl, Theresa FNP-BC | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Olds, Jenna FNP | Cogent Healthcare of MT dba Sound Physicians | (406) 657-7000 |
| Olds, Jenna FNP | North Shiloh Clinic - Transitional Care Group | (406) 237-8282 |
| Olds, Jenna FNP | SVH Hospitalists | (406) 237-3850 |
| Oley, Erin FNP | Beartooth Billings Clinic | (406) 446-2345 |