Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Sally Weinstock, MSS LCSW

Social Worker in Narberth, PA · enumerated 2007.

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

National Provider Identifier

1578784849

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Registry record

Entity type Individual (Type 1)

Name Ms. Sally Weinstock

Credential MSS LCSW

Sex Female

Practice address 915 Montgomery Ave, Suite 210, Narberth, PA, 19072

Phone (610) 668-8033

Fax (610) 667-9866

Enumeration date May 2, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License CW014287 (PA) 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 Sally Weinstock practice?

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

What is the NPI number for Sally Weinstock?

The National Provider Identifier (NPI) for Sally Weinstock is 1578784849, 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 2007-07-08.