NPPES file of Aug 9, 2026

Parker Trefz, OT

Occupational Therapist · Modesto, CA

Parker Trefz, OT is an occupational therapist with a practice address in Modesto, California, and NPI 1457921256, issued on Jun 25, 2021. Check the license (California OT21248, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1457921256
Name
Parker Trefz
Credential
OT
Primary taxonomy
Occupational Therapist 225X00000X
License number
OT21248 CA
Self-reported in NPPES; status is on the state search
Practice location
4660 Spyres Way, Modesto, CA 95356
Phone
(209) 578-3290
Enumerated
Jun 25, 2021
Record last updated
Jun 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(209) 550-4944
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 occupational therapist records → All 9,244 in California → Look up another NPI →

Also registered at 4660 Spyres Way

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

  1. Alexis Cortez, DPTPhysical Therapist1740631985
  2. Gurpreet HundalPhysical Therapist1205681939
  3. Tyler MaynardPhysical Therapist1578279758
  4. Abha Pohwani, P.TPhysical Therapist1447463815
  5. Serene SchanerOccupational Therapist1588510291
  6. Elijah StecklerPhysical Therapist1891637997

Verify Parker Trefz 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 OT21248    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

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Parker Trefz among 9,244 occupational therapist records in California

Parker Trefz, OT is one of 9,244 occupational therapist records with a practice address in California. 9% 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 2021, is newer than 65% of them.

  • NPI issued2021 · 65% of these records are older, 29% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 10% of these records are
  • Record last updated2021 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Therapist providers in California

There are 9,244 occupational therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,244 in California → Every provider in Modesto → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Rachel HaskellModesto, CA 953561275363665
  2. Serene SchanerModesto, CA 953561588510291
  3. Jeffery Steckler, OTR/LModesto, CA 953561336380401
  4. Jolene Anderson, O.T.Modesto, CA 953551093860454
  5. Anita Boonstra, OTModesto, CA 953551457714743
  6. Jacqueline Bracho, OTR/LModesto, CA 953551639093511
  7. Vanessa Camacho, OTR/LModesto, CA 953551215698089
  8. Amelia DandreaModesto, CA 953551548184534

Common questions

What is Parker Trefz, OT's NPI number?

Parker Trefz, OT's National Provider Identifier (NPI) is 1457921256, issued on Jun 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Parker Trefz, OT located?

The NPPES record lists a practice address at 4660 Spyres Way, Modesto, CA, 95356. Phone: (209) 578-3290. Providers update this record themselves, so call before visiting.

How can I verify Parker Trefz, OT's license?

NPPES lists California license number OT21248, 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.

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.