NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Great Falls Sl, LLC

Assisted Living Facility in Great Falls, MT · enumerated 2019 · authorized official Douglas Sproul, President- Mosaic Management.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558907360

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Great Falls Sl, LLC
Practice address 1801 9th St S, Great Falls, MT, 59405
Enumeration date Nov 27, 2019
Last updated in NPPES Jan 9, 2020

Taxonomy & classification

310400000X Assisted Living Facility Nursing & Custodial Care Facilities Primary

Authorized official

Name Douglas Sproul
Title President- Mosaic Management

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Great Falls Sl, LLC?
The NPI for Great Falls Sl, LLC is 1558907360, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Great Falls Sl, LLC?
NPPES lists Douglas Sproul (President- Mosaic Management) as the authorized official for this organization.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-09.