Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Jo Ann V. Lewis, LCSW

Q: What is the NPI number for Jo Ann Lewis?

The National Provider Identifier (NPI) for Jo Ann Lewis is 1679800213, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Central Islip, NY · enumerated 2009.

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

National Provider Identifier

1679800213

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Registry record

Entity type Individual (Type 1)

Name Ms. Jo Ann V. Lewis

Credential LCSW

Sex Female

Practice address 159 Carleton Ave, Central Islip, NY, 11722

Phone (631) 439-4300

Fax (631) 439-4319

Enumeration date Nov 3, 2009

Last updated in NPPES Nov 3, 2009

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 054553 (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 Jo Ann Lewis practice?

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

What is the NPI number for Jo Ann Lewis?

The National Provider Identifier (NPI) for Jo Ann Lewis is 1679800213, 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 2009-11-03.