Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mary Hammargren, MA, LP

Psychologist in Alexandria, MN · enumerated 2006.

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

National Provider Identifier

1477628477

Verified

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Registry record

Entity type Individual (Type 1)

Name Mary Hammargren

Credential MA, LP

Sex Female

Practice address Alexandria, MN, 56308

Phone (320) 763-4100

Fax (320) 763-4100

Enumeration date Nov 22, 2006

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License LP 1331 (MN) Primary

Other identifiers

Identifier	Type	State	Issuer
15Q68HA	Other	-	BCBS OF MN
1100530	Medicaid	MN	-

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

Where does Mary Hammargren practice?

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

What is the NPI number for Mary Hammargren?

The National Provider Identifier (NPI) for Mary Hammargren is 1477628477, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.