NPPES file of Aug 9, 2026

Maria Maso

Hand Occupational Therapist · Castro Valley, CA

Maria Maso is a hand occupational therapist with a practice address in Castro Valley, California, and NPI 1386170553, issued on May 10, 2017. Check the license (California 17438, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386170553
Name
Maria Maso
Primary taxonomy
Hand Occupational Therapist 225XH1200X
License numbers
17438 CA
OT20071 FL
Self-reported in NPPES; status is on the state search
Practice location
20996 Redwood RD, Castro Valley, CA 94546
Phone
(510) 537-0272
Enumerated
May 10, 2017
Record last updated
Apr 23, 2026
Medicare enrollment
Enrolled (PECOS I20240319003045); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest hand occupational therapist records → All 458 in California → Look up another NPI →

Also registered at 20996 Redwood RD

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

  1. Trisha Abad-GarciaPhysical Therapist1316284664
  2. Molly Agraviador, PTAPhysical Therapy Assistant1528519642
  3. James Blizel, PT, DPTPhysical Therapist1942866033
  4. Brandon Brown, P.T.Physical Therapist1255429379
  5. Ho Chon, DPTPhysical Therapist1124314778
  6. Taylor ClinesPhysical Therapy Assistant1255034757

Verify Maria Maso 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 17438    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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Bills Medicare through one group practice

  1. Mobile Therapy Group LLCWest Palm Beach, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria Maso among 458 hand occupational therapist records in California

Maria Maso is one of 458 hand occupational therapist records with a practice address in California. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.

  • NPI issued2017 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 28% of these records are
  • In the CMS Doctors and Clinicians fileYes · 32% of these records are
  • Graduated2016 · median 1998 among the 146 with a school on file
  • Record last updated2026 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225XH1200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hand Occupational Therapist providers in California

There are 458 hand occupational therapist records in California.

All 458 in California → Every provider in Castro Valley → Hand Occupational Therapist nationwide →

The 8 hand occupational therapist records with the nearest ZIP codes

  1. Janice FujiiCastro Valley, CA 945461386910792
  2. Debbie Miller, OTR/LCastro Valley, CA 945461386600146
  3. Evelyn Tang, OTRCastro Valley, CA 945461164918983
  4. Jennifer Macintire, OT, CHTLivermore, CA 945501154957280
  5. Denice Nielson, MOTR/L, CHTLivermore, CA 945501255621090
  6. Andrea Romero, OTR LLivermore, CA 945511568667475
  7. Shannon SkowboHayward, CA 945411578135158
  8. Deanna Descamp, OTR/LFremont, CA 945381932517117

Common questions

What is Maria Maso's NPI number?

Maria Maso's National Provider Identifier (NPI) is 1386170553, issued on May 10, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Maria Maso located?

The NPPES record lists a practice address at 20996 Redwood RD, Castro Valley, CA, 94546. Phone: (510) 537-0272. Providers update this record themselves, so call before visiting.

How can I verify Maria Maso's license?

NPPES lists California license number 17438, 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. Medicare files from data.cms.gov. 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.