Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Chelsea Protter, LMSW

Social Worker in Brooklyn, NY · enumerated 2015.

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

National Provider Identifier

1841681780

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Registry record

Entity type Individual (Type 1)

Name Chelsea Protter

Credential LMSW

Sex Female

Practice address Brooklyn, NY, 11222

Phone (516) 234-6889

Enumeration date Feb 13, 2015

Last updated in NPPES Dec 21, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

104100000X Social Worker Behavioral Health & Social Service Providers Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 093140 (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

What is the NPI number for Chelsea Protter?

The National Provider Identifier (NPI) for Chelsea Protter is 1841681780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Chelsea Protter practice?

The practice location on file with NPPES is in Brooklyn, 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 2021-12-21.