Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Antoinette Zollo Weinstein, LCSW

Social Worker in New Haven, CT · enumerated 2005.

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

National Provider Identifier

1871581686

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Registry record

Entity type Individual (Type 1)

Name Antoinette Zollo Weinstein

Credential LCSW

Sex Female

Practice address 800 Howard Ave, Yale Physicians Building, New Haven, CT, 06519

Phone (203) 785-7998

Enumeration date Oct 6, 2005

Last updated in NPPES Jun 24, 2010

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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

What specialty is Antoinette Zollo Weinstein?

Antoinette Zollo Weinstein is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-24.