Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joanna Grey, MSS, LSW

Social Worker in Haverford, PA · enumerated 2024.

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

National Provider Identifier

1215776620

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Registry record

Entity type Individual (Type 1)

Name Joanna Grey

Credential MSS, LSW

Sex X

Practice address 600 Haverford Rd Ste 201, Haverford, PA, 19041

Phone (856) 649-4536

Enumeration date May 23, 2024

Last updated in NPPES May 23, 2024

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License SW141558 (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

What specialty is Joanna Grey?

Joanna Grey 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 2024-05-23.