Internal Medicine, Critical Care Medicine
JUSTINN LAHAYE MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1376003400 · enumerated 2019-03-24 · record updated 2024-09-19. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Other names: JUSTINN MARSHALL
Addresses and phones
- Practice location 1101 26TH ST S, GREAT FALLS, MT, 59405-5161 (406) 731-8888 Fax (406) 731-8318 Google Maps Apple Maps OpenStreetMap
- Mailing address PO BOX 6010, GREAT FALLS, MT, 59406-6010 (406) 455-5000 Google Maps Apple Maps OpenStreetMap
Specialties
- Emergency Medicine 207P00000X · License 11888618-1205 UT
- Emergency Medicine 207P00000X · License 137199 MT
- Internal Medicine, Critical Care Medicine 207RC0200X · Primary · License 137199 MT
In this directory
MT Cascade County Great Falls Internal Medicine, Critical Care Medicine
Locations and evidence
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Practice location
GREAT FALLS, MT, 594055161
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.