NPPES file of Aug 9, 2026

Stefanie Mayer, PT

Specialist · Concord, CA

Stefanie Mayer, PT is a specialist with a practice address in Concord, California, and NPI 1124119227, issued on Sep 27, 2006. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1124119227
Name
Stefanie Mayer
Credential
PT
Primary taxonomy
Specialist 174400000X
License number
018887-1 NY
Self-reported in NPPES; status is on the state search
Practice location
1333 Willow Pass RD Ste 110, Concord, CA 94520
Phone
(925) 732-9716
Enumerated
Sep 27, 2006
Record last updated
May 17, 2022
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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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Also registered at 1333 Willow Pass RD Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Grant Abbuhl, PTAPhysical Therapy Assistant1063933174
  2. Fermin Bautista, CMTMassage Therapist1205600558
  3. Corissa Casarez, CMTMassage Therapist1568340008
  4. Lisa Friedman, DPTPhysical Therapist1770388373
  5. Caitlin Head, CMTMassage Therapist1245004597
  6. Michael HillMassage Therapist1114510435

Verify Stefanie Mayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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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Stefanie Mayer among 5,749 specialist records in California

Stefanie Mayer, PT is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2022 · 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 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,749 in California → Every provider in Concord → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Premjit Chahal, M.D.Concord, CA 945201093893091
  2. Charles Diraimondo, M.D.Concord, CA 945201962437269
  3. Jacquelyn Holmes, MFTConcord, CA 945201457487571
  4. Michael Messer, MDConcord, CA 945201255438206
  5. Carl Omstead, PA-CConcord, CA 945201982661427
  6. Monika OsullivanConcord, CA 945201518839422
  7. Jasbir Rana, M,DConcord, CA 945201144223934
  8. Ryan Tracy, M.D.Concord, CA 945201346283835

Common questions

What is Stefanie Mayer, PT's NPI number?

Stefanie Mayer, PT's National Provider Identifier (NPI) is 1124119227, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stefanie Mayer, PT located?

The NPPES record lists a practice address at 1333 Willow Pass RD Ste 110, Concord, CA, 94520. Phone: (925) 732-9716. Providers update this record themselves, so call before visiting.

How can I verify Stefanie Mayer, PT's license?

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.