Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heidi M M Mathson, LGSW

Counselor in Winona, MN · enumerated 2023.

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

National Provider Identifier

1255016564

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Registry record

Entity type Individual (Type 1)

Name Heidi M M Mathson

Credential LGSW

Sex Female

Practice address 601 Franklin St, Winona, MN, 55987

Phone (507) 453-9563

Enumeration date Jun 15, 2023

Last updated in NPPES Mar 31, 2026

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 134303-121 (WI) Secondary

101Y00000X Counselor Behavioral Health & Social Service Providers · License 32163 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Heidi Mathson?

The National Provider Identifier (NPI) for Heidi Mathson is 1255016564, a Type 1 (individual) record in the CMS NPPES registry.

Where does Heidi Mathson practice?

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

Other providers at this practice address

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Family & Childrens Center Mental Health Clinic/Center (Including Community Mental Health Center) · Winona, MN NPI 1326177940 Family & Children'S Center, Inc Community/Behavioral Health Agency · Winona, MN NPI 1730218942 Family & Children'S Center, Inc Adolescent and Children Mental Health Clinic/Center · Winona, MN NPI 1063541274 Family & Children'S Center, Inc Adolescent and Children Mental Health Clinic/Center · Winona, MN NPI 1972632180 Family & Children'S Center, Inc Emotionally Disturbed Childrens' Residential Treatment Facility · Winona, MN NPI 1386775609 Family & Children'S Center, Inc Community/Behavioral Health Agency · Winona, MN NPI 1821112988 Family & Children'S Center, Inc Adolescent and Children Mental Health Clinic/Center · Winona, MN NPI 1023290772 Ann Lichliter Clinical Social Worker · Winona, MN NPI 1013190743

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-31.