Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Stephen J. Hayden, APN

Family Nurse Practitioner in Chester, CA · enumerated 2009.

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

National Provider Identifier

1164657300

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Registry record

Entity type Individual (Type 1)

Name Mr. Stephen J. Hayden

Credential APN

Sex Male

Practice address 199 Reynolds Rd., Chester, CA, 96020

Phone (530) 258-2826

Fax (530) 258-2802

Enumeration date May 18, 2009

Last updated in NPPES Aug 9, 2022

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APN001116 (NV) Primary

163WG0000X General Practice Registered Nurse Nursing Service Providers · License 95000883 (CA) Secondary

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 Stephen Hayden?

The National Provider Identifier (NPI) for Stephen Hayden is 1164657300, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Hayden practice?

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

Other providers at this practice address

Browse all →

Dana Ware Family Medicine Physician · Chester, CA NPI 1861457632 Christopher Ward Family Medicine Physician · Chester, CA NPI 1275590549 Tonya Macdonald Family Nurse Practitioner · Chester, CA NPI 1982993945

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-09.