NPPES file of Aug 9, 2026

Oanh Cao, PSY.D.

Clinical Psychologist · San Diego, CA

Oanh Cao, PSY.D. is a clinical psychologist with a practice address in San Diego, California, and NPI 1417235920, issued on Aug 1, 2011. Check the license (California PSY24335, 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
1417235920
Name
Oanh Cao
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY24335 CA
Self-reported in NPPES; status is on the state search
Practice location
34800 Bob Wilson Dr, San Diego, CA 92134
Phone
(619) 524-4051
Enumerated
Aug 1, 2011
Record last updated
Aug 22, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170926000181); 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.
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Also registered at 34800 Bob Wilson Dr

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

  1. Jose Acosta, MDSurgical Critical Care Physician1861418618
  2. Nehkonti Adams, M.D.Infectious Disease Physician1194985705
  3. Maryam Adebayo, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1346799269
  4. Caleb Adkins, DOGeneral Practice Physician1689430860
  5. Kyle Adkins, PHARMDPharmacist1477740884
  6. Phillip Adriano, M.D.Emergency Medicine Physician1568576585

Verify Oanh Cao 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 PSY24335
    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. Department OF State HospitalsNorwalk, CA

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

Oanh Cao among 12,647 clinical psychologist records in California

Oanh Cao, 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. Its NPI, issued in 2011, is newer than 59% of them.

  • NPI issued2011 · 59% of these records are older, 37% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2007 · median 2006 among the 2,424 with a school on file
  • Record last updated2013 · 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).

983 clinical psychologist records list a practice address in San Diego

They are 983 of the 52,937 NPPES records with a practice address in San Diego, and 12,647 clinical psychologist records in California.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Lynne Cessante, PH.D.San Diego, CA 921341386617793
  2. Jorge Concepcion, PSY.DSan Diego, CA 921341235339128
  3. Kimberly Corp, PSYDSan Diego, CA 921341427244813
  4. William Deal, PH.DSan Diego, CA 921341255478756
  5. Scott Green, PH.D.San Diego, CA 921341346483476
  6. Dana Grossman, PH.D.San Diego, CA 921341619948254
  7. Debbie Hall, PH.D.San Diego, CA 921341447221585
  8. William Hunt, PH.D.San Diego, CA 921341699838722

Common questions

What is Oanh Cao, PSY.D.'s NPI number?

Oanh Cao, PSY.D.'s National Provider Identifier (NPI) is 1417235920, issued on Aug 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Oanh Cao, PSY.D. located?

The NPPES record lists a practice address at 34800 Bob Wilson Dr, San Diego, CA, 92134. Phone: (619) 524-4051. Providers update this record themselves, so call before visiting.

How can I verify Oanh Cao, PSY.D.'s license?

NPPES lists California license number PSY24335, 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.

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.