Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Andrew Dorosin, PA-C

Q: What is the NPI number for John Dorosin?

The National Provider Identifier (NPI) for John Dorosin is 1114107018, a Type 1 (individual) record in the CMS NPPES registry.

Physician Assistant in Santa Cruz, CA · enumerated 2007.

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

National Provider Identifier

1114107018

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Registry record

Entity type Individual (Type 1)

Name John Andrew Dorosin

Credential PA-C

Sex Male

Practice address 1662 Dominican Way, Santa Cruz, CA, 95065

Phone (831) 475-1100

Enumeration date Nov 7, 2007

Last updated in NPPES Nov 7, 2007

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA19456 (CA) 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 is the NPI number for John Dorosin?

The National Provider Identifier (NPI) for John Dorosin is 1114107018, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Dorosin practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-07.