NPPES file of Aug 9, 2026

James A. Grace, PHD

Clinical Psychologist · Rancho Cucamonga, CA

James A. Grace, PHD is a clinical psychologist with a practice address in Rancho Cucamonga, California, and NPI 1396801304, issued on Dec 28, 2006. Check the license (California PSY12929, 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
1396801304
Name
James A. Grace
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY12929 CA
Self-reported in NPPES; status is on the state search
Practice location
10630 Town Center Drive, Rancho Cucamonga, CA 91730
Phone
(909) 949-6011
Enumerated
Dec 28, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(909) 948-8899
Medicaid ID
PSY12929 CA
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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Verify James A. Grace 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 PSY12929
    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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James A. Grace among 12,647 clinical psychologist records in California

James A. Grace, PHD 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 updated2007 · 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).

41 clinical psychologist records list a practice address in Rancho Cucamonga

They are 41 of the 4,579 NPPES records with a practice address in Rancho Cucamonga, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Doulglas Buche, PH.D.Rancho Cucamonga, CA 917301770557365
  2. Jenss Chang, PHDRancho Cucamonga, CA 917301942494786
  3. Christopher Deulen, PH.DRancho Cucamonga, CA 917301215094909
  4. Gerald Duprez, PH.D.Rancho Cucamonga, CA 917301760462105
  5. Richard Ettelson, PHDRancho Cucamonga, CA 917301174569453
  6. Sheila Hays, PH.D.Rancho Cucamonga, CA 917301497977110
  7. Wendy Ku, PSY.D.Rancho Cucamonga, CA 917301932242716
  8. Georgina Lamphere Sullivan, PHDRancho Cucamonga, CA 917301487633616

Common questions

What is James A. Grace, PHD's NPI number?

James A. Grace, PHD's National Provider Identifier (NPI) is 1396801304, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James A. Grace, PHD located?

The NPPES record lists a practice address at 10630 Town Center Drive, Rancho Cucamonga, CA, 91730. Phone: (909) 949-6011. Providers update this record themselves, so call before visiting.

How can I verify James A. Grace, PHD's license?

NPPES lists California license number PSY12929, 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.