Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heidi Lynne Hart, LCSW

Clinical Social Worker in Tomah, WI · enumerated 2010.

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

National Provider Identifier

1083929590

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Registry record

Entity type Individual (Type 1)

Name Heidi Lynne Hart

Credential LCSW

Sex Female

Practice address 500 E Veterans St, Tomah, WI, 54660

Phone (608) 372-3971

Enumeration date Aug 10, 2010

Last updated in NPPES May 26, 2020

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 149.022223 (IL) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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 specialty is Heidi Hart?

Heidi Hart is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-05-26.