Riddel Chiropractic Center
NPI 1639360720 · Independent Medical Examiner Chiropractor · Pleasant Hill, CA
Riddel Chiropractic Center is a Independent Medical Examiner Chiropractor organization in Pleasant Hill, CA (NPI 1639360720).
Provider details
- NPI number
- 1639360720
- Entity type
- Organization
- Primary specialty
- Independent Medical Examiner ChiropractorChiropractic Providers
- Parent organization
- Dr. John S Riddel, D.C.
- Organization subpart
- Yes
- Authorized official
- John Riddel, Chiropractic Physician(925) 345-7890
- License
- 16829 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-05
- Last updated
- 2007-08-05
Frequently asked questions
- What is Riddel Chiropractic Center's NPI number?
- Riddel Chiropractic Center's National Provider Identifier (NPI) is 1639360720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Riddel Chiropractic Center?
- Riddel Chiropractic Center is classified in the NPPES registry as Independent Medical Examiner Chiropractor (Chiropractic Providers).
- Where is Riddel Chiropractic Center located?
- Riddel Chiropractic Center's practice location on file with NPPES is 3147 Putnam Blvd, Pleasant Hill, CA 94523-4686.
- What is Riddel Chiropractic Center's phone number?
- The practice phone number listed in the NPPES registry for Riddel Chiropractic Center is (925) 945-7890.
- Who is the authorized official for Riddel Chiropractic Center?
- The authorized official listed on Riddel Chiropractic Center's NPPES record is John Riddel, Chiropractic Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Riddel Chiropractic Center's NPI active?
- Yes — Riddel Chiropractic Center's NPI (1639360720) is active in the NPPES registry as of the last update on 2007-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.