Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Bryn Diehl, LSW

Q: What is the NPI number for Bryn Diehl?

The National Provider Identifier (NPI) for Bryn Diehl is 1477295327, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in Philadelphia, PA · enumerated 2022.

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

National Provider Identifier

1477295327

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Registry record

Entity type Individual (Type 1)

Name Bryn Diehl

Credential LSW

Sex Male

Practice address 1700 Sansom St Fl 11, Philadelphia, PA, 19103

Phone (215) 563-7863

Enumeration date Apr 11, 2022

Last updated in NPPES Apr 11, 2022

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License SW137668 (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 Bryn Diehl practice?

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

What is the NPI number for Bryn Diehl?

The National Provider Identifier (NPI) for Bryn Diehl is 1477295327, 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 2022-04-11.