Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Desiree Lewis, LMSW

Social Worker in East Islip, NY · enumerated 2012.

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

National Provider Identifier

1548527393

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Registry record

Entity type Individual (Type 1)

Name Desiree Lewis

Credential LMSW

Sex Female

Practice address 107 W Main St, East Islip, NY, 11730

Phone (631) 666-1615

Fax (631) 666-1709

Enumeration date Apr 18, 2012

Last updated in NPPES Apr 18, 2012

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 084826 (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 Desiree Lewis practice?

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

What is the NPI number for Desiree Lewis?

The National Provider Identifier (NPI) for Desiree Lewis is 1548527393, 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 2012-04-18.