Alan Richard Riley, D.C.
Chiropractor · Chico, CA
Alan Richard Riley, D.C. is a chiropractor with a practice address in Chico, California, and NPI 1215317946, issued on Jun 8, 2015. Check the license (California DC33738, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alan Richard Riley
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License numbers
- DC33738 CA
08002830A IN
Self-reported in NPPES; status is on the state search - Practice location
- 2571 California Park Dr, Chico, CA 95928
- Phone
- (530) 715-0411
- Enumerated
- Jun 8, 2015
- Record last updated
- Mar 5, 2026
- Fax
- (530) 894-2034
- Medicare enrollment
- Enrolled (PECOS I20170131002837); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 2015
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Also registered at 2571 California Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan Richard Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC33738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ampla HealthOroville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan Richard Riley among 11,498 chiropractor records in California
Alan Richard Riley, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2015 · median 1999 among the 2,907 with a school on file
- Record last updated2026 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 chiropractor records list a practice address in Chico
They are 55 of the 3,684 NPPES records with a practice address in Chico, and 11,498 chiropractor records in California.
All 11,498 in California → Every provider in Chico → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Mary Ewing, D.C.Chico, CA 959281518919125
- Patrick Giammarise, D.C.Chico, CA 959281104931823
- Peggy Howard, DCChico, CA 959281437363611
- Kirk James, DCChico, CA 959281225037369
- Michelle Largent, DCChico, CA 959281306042239
- Mark Lopes, D.C.Chico, CA 959281053417253
- Matthew McCowan, D.C.Chico, CA 959281598921652
- James Miller, D.C.Chico, CA 959281619074671
Common questions
What is Alan Richard Riley, D.C.'s NPI number?
Alan Richard Riley, D.C.'s National Provider Identifier (NPI) is 1215317946, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alan Richard Riley, D.C. located?
The NPPES record lists a practice address at 2571 California Park Dr, Chico, CA, 95928. Phone: (530) 715-0411. Providers update this record themselves, so call before visiting.
How can I verify Alan Richard Riley, D.C.'s license?
NPPES lists California license number DC33738, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.