Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Madelyn Bart

Q: What is the NPI number for Madelyn Bart?

The National Provider Identifier (NPI) for Madelyn Bart is 1245668573, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in Hawthorne, NY · enumerated 2013 · practices at Jewish Board of Family and Children Services.

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

National Provider Identifier

1245668573

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Registry record

Entity type Individual (Type 1)

Name Madelyn Bart

Sex Female

Practice address 228 Linda Ave, Hawthorne, NY, 10532

Phone (914) 773-7438

Enumeration date Oct 23, 2013

Last updated in NPPES Oct 28, 2013

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License P89601 (NY) 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

Where does Madelyn Bart practice?

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

What is the NPI number for Madelyn Bart?

The National Provider Identifier (NPI) for Madelyn Bart is 1245668573, 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 2013-10-28.