NPPES file of Aug 9, 2026

Jonathan T. Chow, PSY.D.

Clinical Psychologist · Antioch, CA

Jonathan T. Chow, PSY.D. is a clinical psychologist with a practice address in Antioch, California, and NPI 1710055744, issued on Nov 30, 2006. Check the license (California PSY 10305, 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
1710055744
Name
Jonathan T. Chow
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY 10305 CA
Self-reported in NPPES; status is on the state search
Practice location
3400 Delta Fair Blvd, Antioch, CA 94509
Phone
(925) 779-5494
Enumerated
Nov 30, 2006
Record last updated
Jan 3, 2022
Fax
(925) 779-5313
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 clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 3400 Delta Fair Blvd

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

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Verify Jonathan T. Chow 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 PSY 10305    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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Jonathan T. Chow among 12,647 clinical psychologist records in California

Jonathan T. Chow, PSY.D. is one of 12,647 clinical psychologist 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 80% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2022 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 clinical psychologist records list a practice address in Antioch

They are 32 of the 2,184 NPPES records with a practice address in Antioch, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 12,647 in California → Every provider in Antioch → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Paula Astalis, PHDAntioch, CA 945091558411652
  2. Maria Barnhart, PHDAntioch, CA 945091417067232
  3. Joseph Coyne, PH.D.Antioch, CA 945091629131578
  4. Crystal Daniel-Washington, PSYDAntioch, CA 945091598913295
  5. Richard Freed, PH.D.Antioch, CA 945091710055892
  6. Felisa Gaffney, LMFT, PSY.D.Antioch, CA 945091801924576
  7. Clair Howard, PSY.D.Antioch, CA 945091922155530
  8. John Italia, PH.D.Antioch, CA 945091134261878

Common questions

What is Jonathan T. Chow, PSY.D.'s NPI number?

Jonathan T. Chow, PSY.D.'s National Provider Identifier (NPI) is 1710055744, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan T. Chow, PSY.D. located?

The NPPES record lists a practice address at 3400 Delta Fair Blvd, Antioch, CA, 94509. Phone: (925) 779-5494. Providers update this record themselves, so call before visiting.

How can I verify Jonathan T. Chow, PSY.D.'s license?

NPPES lists California license number PSY 10305, 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.