NPI Portal NPI Lookup & Verification

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

Mark Grimes

Community Health Worker in Commerce, CA · enumerated 2011 · practices at Enki Health Services, Inc.

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

National Provider Identifier

1861797540

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Registry record

Entity type Individual (Type 1)
Name Mark Grimes
Sex Male
Practice address Commerce, CA, 90022
Enumeration date Jan 11, 2011
Last updated in NPPES Jun 28, 2023

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

Taxonomy & licenses

172V00000X Community Health Worker Other Service Providers 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.

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Frequently asked questions

What is the NPI number for Mark Grimes?
The National Provider Identifier (NPI) for Mark Grimes is 1861797540, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Grimes practice?
The practice location on file with NPPES is in Commerce, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-28.