Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Leslie Ann Garwood, LCSW

Clinical Social Worker in Harrison, NY · enumerated 2006.

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

National Provider Identifier

1821065996

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Registry record

Entity type Individual (Type 1)

Name Ms. Leslie Ann Garwood

Credential LCSW

Sex Female

Practice address 600 Mamaroneck Ave, Suite 303, Harrison, NY, 10528

Phone (914) 912-6110

Fax (914) 664-3116

Enumeration date Mar 7, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License R02520701 (NY) Primary

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

Other identifiers

Identifier	Type	State	Issuer
5910635	Other	NY	AETNA

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 Leslie Garwood?

The National Provider Identifier (NPI) for Leslie Garwood is 1821065996, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leslie Garwood practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.