Joy Mason, P.T.A., A.T.C.
Athletic Trainer · San Mateo, CA
Joy Mason, P.T.A., A.T.C. is an athletic trainer with a practice address in San Mateo, California, and NPI 1346290616, issued on May 10, 2006. Check the license (California AT 2378, 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
- Joy Mason
- Credential
- P.T.A., A.T.C.
- Primary taxonomy
- Athletic Trainer 2255A2300X
- License number
- AT 2378 CA
Self-reported in NPPES; status is on the state search - Practice location
- 516 Sylvan Ave, San Mateo, CA 94403
- Phone
- (650) 571-5686
- Enumerated
- May 10, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest athletic trainer records → All 2,605 in California → Look up another NPI →
Verify Joy Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license AT 2378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joy Mason among 2,605 athletic trainer records in California
Joy Mason, P.T.A., A.T.C. is one of 2,605 athletic trainer records with a practice address in California. under 1% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 92% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2255A2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Athletic Trainer providers in California
There are 2,605 athletic trainer records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,605 in California → Every provider in San Mateo → Athletic Trainer nationwide →
The 8 athletic trainer records with the nearest ZIP codes
- Kevin AttardFoster City, CA 944041649802000
- Sabrina Deans, MS, ATCSan Mateo, CA 944021265950257
- Jasmine Gittens, MA, ATCSan Mateo, CA 944021265924880
- Steven Kong, MS, ATCSan Mateo, CA 944021417548173
- Robyn Schapiro, ATCSan Mateo, CA 944041558583484
- Courtnie Steeves, ATCFoster City, CA 944041851328637
- Dan Walker, ATCSan Mateo, CA 944021306245188
- Anne Yoshimura, ATCSan Mateo, CA 944021275304917
Common questions
What is Joy Mason, P.T.A., A.T.C.'s NPI number?
Joy Mason, P.T.A., A.T.C.'s National Provider Identifier (NPI) is 1346290616, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joy Mason, P.T.A., A.T.C. located?
The NPPES record lists a practice address at 516 Sylvan Ave, San Mateo, CA, 94403. Phone: (650) 571-5686. Providers update this record themselves, so call before visiting.
How can I verify Joy Mason, P.T.A., A.T.C.'s license?
NPPES lists California license number AT 2378, 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.