Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Joseph Harold Thornton, PA-C

Physician Assistant in Princeton, NJ · enumerated 2006.

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

National Provider Identifier

1184793556

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Registry record

Entity type Individual (Type 1)

Name Mr. Joseph Harold Thornton

Credential PA-C

Sex Male

Practice address Princeton, NJ, 08544

Phone (609) 258-3141

Fax (609) 258-1355

Enumeration date Nov 7, 2006

Last updated in NPPES Jun 17, 2008

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 25MP00000400 (NJ) 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

How do I verify Joseph Thornton's NPI record?

Cross-check NPI 1184793556 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1184793556 active?

Yes, as of the latest NPPES snapshot, NPI 1184793556 is active (record last updated 2008-06-17).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-06-17.