Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jerome Johnson Griffin

Clinical Social Worker in Upper Darby, PA · enumerated 2015 · practices at Alternative Therapeutic Methods, Inc.

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

National Provider Identifier

1639551153

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Registry record

Entity type Individual (Type 1)

Name Jerome Johnson Griffin

Sex Male

Practice address 26 N Millbourne Ave, Upper Darby, PA, 19082

Phone (610) 931-3312

Enumeration date Jun 20, 2015

Last updated in NPPES Mar 20, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License CW025544 (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.

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Frequently asked questions

Where does Jerome Johnson Griffin practice?

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

What is the NPI number for Jerome Johnson Griffin?

The National Provider Identifier (NPI) for Jerome Johnson Griffin is 1639551153, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Alternative Therapeutic Methods, Inc Clinical Social Worker · Millbourne, PA NPI 1508667007

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-20.