Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Libby A Lake, MD

Q: What is the NPI number for Libby Lake?

The National Provider Identifier (NPI) for Libby Lake is 1932194750, a Type 1 (individual) record in the CMS NPPES registry.

Family Medicine Physician in Great Falls, MT · enumerated 2005.

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

National Provider Identifier

1932194750

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Registry record

Entity type Individual (Type 1)

Name Libby A Lake

Credential MD

Sex Female

Practice address 1400 29th St S, Great Falls, MT, 59405

Phone (406) 454-2171

Fax (406) 771-3021

Enumeration date Sep 19, 2005

Last updated in NPPES Jun 30, 2026

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 10625 (MT) Primary

261QP2300X Primary Care Clinic/Center Ambulatory Health Care Facilities Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0141453	Medicaid	MT	-

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 Libby Lake?

The National Provider Identifier (NPI) for Libby Lake is 1932194750, a Type 1 (individual) record in the CMS NPPES registry.

Where does Libby Lake practice?

The practice location on file with NPPES is in Great Falls, MT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-30.