Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Amy Jo Keyes, PA-C

Physician Assistant in Fairfield, CA · enumerated 2015.

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

National Provider Identifier

1689046310

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Registry record

Entity type Individual (Type 1)

Name Mrs. Amy Jo Keyes

Credential PA-C

Sex Female

Practice address 2702 Low Ct, Fairfield, CA, 94534

Phone (707) 427-4900

Enumeration date Oct 21, 2015

Last updated in NPPES Jul 29, 2021

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA9108920 (FL) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA56805 (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

How do I verify Amy Keyes's NPI record?

Cross-check NPI 1689046310 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1689046310 active?

Yes, as of the latest NPPES snapshot, NPI 1689046310 is active (record last updated 2021-07-29).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-29.