Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Caroline Melcer, LCSW

Social Worker in Hartsdale, NY · enumerated 2010.

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

National Provider Identifier

1366752339

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Registry record

Entity type Individual (Type 1)

Name Mrs. Caroline Melcer

Credential LCSW

Sex Female

Practice address 141 North Central Avenue, C/O Westchester Jewish Community Services, Hartsdale, NY, 10530

Phone (914) 949-7699

Fax (914) 949-3224

Enumeration date Oct 8, 2010

Last updated in NPPES Apr 17, 2014

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 081670 (NY) 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

Where does Caroline Melcer practice?

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

What is the NPI number for Caroline Melcer?

The National Provider Identifier (NPI) for Caroline Melcer is 1366752339, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-04-17.