William Joseph Penrod, D.C.
Chiropractor · San Mateo, CA
William Joseph Penrod, D.C. is a chiropractor with a practice address in San Mateo, California, and NPI 1588787998, issued on Apr 9, 2007. Check the license (California DC25917, 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 Joseph Penrod
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC25917 CA
Self-reported in NPPES; status is on the state search - Practice location
- 190 W 25TH Ave, San Mateo, CA 94403
- Phone
- (650) 349-2222
- Enumerated
- Apr 9, 2007
- Record last updated
- Nov 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Also registered at 190 W 25TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Cresci, D.C.Chiropractor1790039022
- Kyle Taketa, DCChiropractor1205180619
Verify William Joseph Penrod in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC25917Check 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 Joseph Penrod among 11,498 chiropractor records in California
William Joseph Penrod, 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 not. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 45% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2012 · 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).
61 chiropractor records list a practice address in San Mateo
They are 61 of the 3,909 NPPES records with a practice address in San Mateo, 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 San Mateo → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- John Blenio, D.C.San Mateo, CA 944031770833691
- Paul Bologna, DCSan Mateo, CA 944031649403239
- Barry Canty, D.C.San Mateo, CA 944031275656696
- Anthony Cresci, D.C.San Mateo, CA 944031790039022
- William Hroziencik, D.C.San Mateo, CA 944031245560739
- David Lewis, DCSan Mateo, CA 944031043377658
- Michael Ludovico, DCSan Mateo, CA 944031295808186
- Julian Ovtcharov, D.C.San Mateo, CA 944031760777817
Common questions
What is William Joseph Penrod, D.C.'s NPI number?
William Joseph Penrod, D.C.'s National Provider Identifier (NPI) is 1588787998, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Penrod, D.C. located?
The NPPES record lists a practice address at 190 W 25TH Ave, San Mateo, CA, 94403. Phone: (650) 349-2222. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Penrod, D.C.'s license?
NPPES lists California license number DC25917, 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.