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Riddel Chiropractic Center

Independent Medical Examiner Chiropractor in Pleasant Hill, CA · enumerated 2007 · authorized official John Riddel, Chiropractic Physician.

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

National Provider Identifier

1639360720

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Registry record

Entity type Organization (Type 2)
Legal business name Riddel Chiropractic Center
Parent organization Dr. John S Riddel, D.C.
Practice address 3147 Putnam Blvd, Suite E, Pleasant Hill, CA, 94523
Phone (925) 945-7890
Enumeration date Aug 5, 2007
Last updated in NPPES Aug 5, 2007

Taxonomy & classification

111NI0013X Independent Medical Examiner Chiropractor Chiropractic Providers · License 16829 (CA) Primary

Authorized official

Name John Riddel
Title Chiropractic Physician
Phone (925) 345-7890

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 Riddel Chiropractic Center?
The NPI for Riddel Chiropractic Center is 1639360720, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Riddel Chiropractic Center?
NPPES lists John Riddel (Chiropractic Physician) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-05.