William Michael Gazdar, D.C. C.C.S.P.,Q.M.E.
Sports Physician Chiropractor · Walnut Creek, CA
William Michael Gazdar, D.C. C.C.S.P.,Q.M.E. is a sports physician chiropractor with a practice address in Walnut Creek, California, and NPI 1255472494, issued on Feb 9, 2007. Check the license (California DC 20466, 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
- William Michael Gazdar
- Credential
- D.C. C.C.S.P.,Q.M.E.
- Primary taxonomy
- Sports Physician Chiropractor 111NS0005X
- License number
- DC 20466 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2021 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (925) 939-2225
- Enumerated
- Feb 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (925) 939-8017
- Medicare enrollment
- Enrolled (PECOS I20040920001000); may accept Medicare assignment
- Medical or professional school
- Life Chiropractic College - West, 1989
- Entity
- Type 1 · individual
8 nearest sports physician chiropractor records → All 404 in California → Look up another NPI →
Also registered at 2021 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Michael Gazdar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC 20466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Michael Gazdar among 404 sports physician chiropractor records in California
William Michael Gazdar, D.C. C.C.S.P.,Q.M.E. is one of 404 sports physician chiropractor records with a practice address in California. 8% 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 36% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1989 · median 1994 among the 110 with a school on file
- Record last updated2007 · 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 111NS0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Physician Chiropractor providers in California
There are 404 sports physician chiropractor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 404 in California → Every provider in Walnut Creek → Sports Physician Chiropractor nationwide →
The 8 sports physician chiropractor records with the nearest ZIP codes
- John Appleman, D.C.Walnut Creek, CA 945981154704351
- Frances Langley, D.C.Walnut Creek, CA 945961831122209
- Valerie Morrison, D.C., CCSPWalnut Creek, CA 945961801906235
- Job Asad, D.C., B.SCWalnut Creek, CA 945951669747143
- Paula Gray-Mitchell, D.C., C.C.S.P.Vallejo, CA 945911740352848
- Mahmood Makooi, DC, CCSPVallejo, CA 945901689789000
- Joseph Stephano, D.C.Vallejo, CA 945901801993191
- Jeffrey Abreu, DCEmeryville, CA 946081548751951
Common questions
What is William Michael Gazdar, D.C. C.C.S.P.,Q.M.E.'s NPI number?
William Michael Gazdar, D.C. C.C.S.P.,Q.M.E.'s National Provider Identifier (NPI) is 1255472494, issued on Feb 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Michael Gazdar, D.C. C.C.S.P.,Q.M.E. located?
The NPPES record lists a practice address at 2021 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 939-2225. Providers update this record themselves, so call before visiting.
How can I verify William Michael Gazdar, D.C. C.C.S.P.,Q.M.E.'s license?
NPPES lists California license number DC 20466, 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.