Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Stern, PA-C

Physician Assistant in Springfield, PA · enumerated 2019.

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

National Provider Identifier

1720551153

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Registry record

Entity type Individual (Type 1)

Name William Stern

Credential PA-C

Sex Male

Practice address 417 Baltimore Pike, Springfield, PA, 19064

Phone (484) 470-2600

Enumeration date Jan 8, 2019

Last updated in NPPES Feb 29, 2024

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MA060431 (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 William Stern practice?

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

What is the NPI number for William Stern?

The National Provider Identifier (NPI) for William Stern is 1720551153, 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 2024-02-29.