Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Swenson Mackiewicz

Professional Counselor in Mendota Heights, MN · enumerated 2025.

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

National Provider Identifier

1285423657

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Registry record

Entity type Individual (Type 1)

Name Mary Swenson Mackiewicz

Sex Female

Practice address 1370 Mendota Heights Rd, Mendota Heights, MN, 55120

Phone (651) 252-4830

Enumeration date May 2, 2025

Last updated in NPPES May 2, 2025

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 4945 (MN) Primary

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.

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Frequently asked questions

Where does Mary Mackiewicz practice?

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

What is the NPI number for Mary Mackiewicz?

The National Provider Identifier (NPI) for Mary Mackiewicz is 1285423657, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-02.