NPPES file of Aug 9, 2026

William Michael Mayo, DPM

Podiatrist · Huntington Park, CA

William Michael Mayo, DPM is a podiatrist with a practice address in Huntington Park, California, and NPI 1225002553, issued on Feb 14, 2006. Check the license (California E3259, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225002553
Name
William Michael Mayo
Credential
DPM
Primary taxonomy
Podiatrist 213E00000X
License number
E3259 CA
Self-reported in NPPES; status is on the state search
Practice location
2961 E Florence Ave, Huntington Park, CA 90255
Phone
(323) 583-3668
Enumerated
Feb 14, 2006
Record last updated
Sep 7, 2025
Fax
(323) 583-5007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William Michael Mayo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license E3259
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

William Michael Mayo among 1,023 podiatrist records in California

William Michael Mayo, DPM is one of 1,023 podiatrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 33% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2025 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213E00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Podiatrist providers in California

There are 1,023 podiatrist records in California.

The 8 podiatrist records with the nearest ZIP codes

  1. Robert Paoletti, D.P.M.Hawthorne, CA 902501508902487
  2. Rabin Beral, DPMGardena, CA 902471154361871
  3. Lawrence Rubin, DPMGardena, CA 902471013012368
  4. Bryce Yamauchi, DPMGardena, CA 902471679686976
  5. Thinh Dang, DPMEl Segundo, CA 902451619618725
  6. Josana Joseph, P.A, D.P.M, P.C.CEl Segundo, CA 902451679789192
  7. Mark Costopoulos, D.P.M.Manhattan Beach, CA 902661669477717
  8. Hoeung Chov, DPMDowney, CA 902411194826024

Common questions

What is William Michael Mayo, DPM's NPI number?

William Michael Mayo, DPM's National Provider Identifier (NPI) is 1225002553, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Michael Mayo, DPM located?

The NPPES record lists a practice address at 2961 E Florence Ave, Huntington Park, CA, 90255. Phone: (323) 583-3668. Providers update this record themselves, so call before visiting.

How can I verify William Michael Mayo, DPM's license?

NPPES lists California license number E3259, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is William Michael Mayo, DPM's MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.