Richard Wayne Pierce, DC
Chiropractor · Discovery Bay, CA
Richard Wayne Pierce, DC is a chiropractor with a practice address in Discovery Bay, California, and NPI 1396708640, issued on Apr 8, 2006. Check the license (California 28420, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Richard Wayne Pierce
- Credential
- DC
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 28420 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2489 Discovery Bay Boulevard, Discovery Bay, CA 94514
- Phone
- (925) 634-2400
- Enumerated
- Apr 8, 2006
- Record last updated
- Aug 31, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (925) 634-2493
- Medicare enrollment
- Enrolled (PECOS I20060622000217); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - West Sunnyvale, 2002
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Verify Richard Wayne Pierce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 28420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Richard Wayne Pierce among 11,498 chiropractor records in California
Richard Wayne Pierce, DC 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 not. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2002 · median 1999 among the 2,907 with a school on file
- Record last updated2010 · 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).
3 chiropractor records list a practice address in Discovery Bay
They are 3 of the 47 NPPES records with a practice address in Discovery Bay, and 11,498 chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,498 in California → Every provider in Discovery Bay → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Lee Campbell, D.C.Discovery Bay, CA 945141487727335
- Michael Olff, DCDiscovery Bay, CA 945141679564942
- Hector Ayala, DCCalistoga, CA 945151205767126
- Nancy Belliveau, D.C.Brentwood, CA 945131144426206
- Burt Broussard, D.C.Brentwood, CA 945131346445616
- Benjamin Dayrit, DCBrentwood, CA 945131568293884
- Alexander Encarnacion-StrandBrentwood, CA 945131205692118
- Jami Fitzgerald, DCCalistoga, CA 945151407147937
Common questions
What is Richard Wayne Pierce, DC's NPI number?
Richard Wayne Pierce, DC's National Provider Identifier (NPI) is 1396708640, issued on Apr 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Wayne Pierce, DC located?
The NPPES record lists a practice address at 2489 Discovery Bay Boulevard, Discovery Bay, CA, 94514. Phone: (925) 634-2400. Providers update this record themselves, so call before visiting.
How can I verify Richard Wayne Pierce, DC's license?
NPPES lists California license number 28420, 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. 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.