Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lauren Sammis, LMSW

Social Worker in Islandia, NY · enumerated 2021.

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

National Provider Identifier

1003570177

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Registry record

Entity type Individual (Type 1)

Name Lauren Sammis

Credential LMSW

Sex Female

Practice address 1777 Veterans Memorial Hwy, Islandia, NY, 11749

Phone (631) 630-6439

Enumeration date Oct 26, 2021

Last updated in NPPES Oct 26, 2021

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 114345 (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 Lauren Sammis practice?

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

What is the NPI number for Lauren Sammis?

The National Provider Identifier (NPI) for Lauren Sammis is 1003570177, 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 2021-10-26.