OrganizationActive
Big Sky Internal Medicine
NPI 1023100732 · Internal Medicine Physician · Lewistown, MT
Provider details
- NPI number
- 1023100732
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Authorized official
- Janet Grensten, Office Manager
Practice location
310 Wendell Ave Ste 101
Lewistown, MT 59457-2267
Phone: (406) 535-1490
Fax: (406) 535-1491
Mailing address
310 Wendell Ave Ste 101
Lewistown, MT 59457-2267
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2009-10-20
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.