Nilda Diaz, PSY.D.
Clinical Psychologist · Patton, CA
Nilda Diaz, PSY.D. is a clinical psychologist with a practice address in Patton, California, and NPI 1225267172, issued on Jul 13, 2009. Check the license (California PSY 22640, 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
- Nilda Diaz
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY 22640 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3102 E. Highland Avenue, Patton, CA 92369
- Phone
- (909) 425-7679
- Enumerated
- Jul 13, 2009
- Record last updated
- Mar 14, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 425-6635
- Entity
- Type 1 · individual
Also registered at 3102 E. Highland Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tim Alder, M.D.Psychiatry Physician1619929023
- Luminita Andronescu, M.D.Specialist1699856864
- Ai Li Arias, M.D.Psychiatry Physician1134171598
- Maurizio Assandri, PH.D.Psychologist1790807402
- Jasdeep Aulakh, M.D.Geriatric Psychiatry Physician1932153616
- Tamseela Awan, M.D.Internal Medicine Physician1720059413
Verify Nilda Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 22640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76 clinical psychologist records list a practice address in Patton
They are 76 of the 339 NPPES records with a practice address in Patton, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 76 in Patton → All 12,647 in California → Every provider in Patton →
Other clinical psychologist records in California
- Tanya Aaen, PH.D.Martinez, CA1477518561
- Jack Aamot, PSY.D.Napa, CA1770711210
- Brian Abary, PSY.DLos Angeles, CA1538354832
- Tatevik Abaryan, PH.D.Pacoima, CA1952682619
- Liana Abascal, PH.D.San Diego, CA1073740569
- Jessica Abdalla, PHDWalnut Creek, CA1558069211
- Mohamed Abdallah, PSY.DEl Centro, CA1912430851
- Megan Abdolrashidi, PSYDGilroy, CA1093293094
- Keri Abdullah, PH.D.San Diego, CA1699840587
- Qutayba Abdullatif, PH.D.Pasadena, CA1134667751
Common questions
What is Nilda Diaz, PSY.D.'s NPI number?
Nilda Diaz, PSY.D.'s National Provider Identifier (NPI) is 1225267172, issued on Jul 13, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nilda Diaz, PSY.D. located?
The NPPES record lists a practice address at 3102 E. Highland Avenue, Patton, CA, 92369. Phone: (909) 425-7679. Providers update this record themselves, so call before visiting.
How can I verify Nilda Diaz, PSY.D.'s license?
NPPES lists California license number PSY 22640, 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.