Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Matthew Whitlock

Community Health Worker in Stockton, CA · enumerated 2023.

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

National Provider Identifier

1548954142

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Registry record

Entity type Individual (Type 1)

Name John Matthew Whitlock

Sex Male

Practice address 2105 W March Ln Ste 2, Stockton, CA, 95207

Phone (209) 468-2222

Enumeration date Jun 6, 2023

Last updated in NPPES Aug 11, 2026

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers Primary

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

373H00000X Day Training/Habilitation Specialist Nursing Service Related Providers 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.

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Frequently asked questions

How do I verify John Whitlock's NPI record?

Cross-check NPI 1548954142 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1548954142 active?

Yes, as of the latest NPPES snapshot, NPI 1548954142 is active (record last updated 2026-08-11).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-11.