NPPES file of Aug 9, 2026

Christina O'Sullivan, JD, PHD

Forensic Psychologist · Orange, CA

Christina O'Sullivan, JD, PHD is a forensic psychologist with a practice address in Orange, California, and NPI 1831486000, issued on Jul 7, 2011. Check the license (California PSY24233, 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
1831486000
Name
Christina O'Sullivan
Credential
JD, PHD
Primary taxonomy
Forensic Psychologist 103TF0200X
License number
PSY24233 CA
Self-reported in NPPES; status is on the state search
Practice location
1588 N Batavia St, Orange, CA 92867
Phone
(559) 498-8265
Enumerated
Jul 7, 2011
Record last updated
Sep 14, 2012 (not updated in 14 years: call before relying on the address or phone)
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 Christina O'Sullivan 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 PSY24233    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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Forensic Psychologist providers in California

There are 257 forensic psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 257 in California → Every provider in Orange →

Other forensic psychologist records in California

  1. Benjamin Adam, PHDCorcoran, CA1639507825
  2. Brianna Alcantar, PSYDSalinas, CA1841755626
  3. Clare Ames-Klein, PH.D.Lafayette, CA1538383831
  4. Dana Anderson, PSYDRedding, CA1477118131
  5. Lyudmila Andrichuk, PHDCarmichael, CA1528391521
  6. Tony AngeloColton, CA1992997068
  7. Jennifer AnkerTustin, CA1023421328
  8. Shayne AquinoSanta Ana, CA1629460639
  9. Julie Armstrong, PSY.D.Marina Del Rey, CA1023341500
  10. William AutreySan Luis Obispo, CA1427119916

Common questions

What is Christina O'Sullivan, JD, PHD's NPI number?

Christina O'Sullivan, JD, PHD's National Provider Identifier (NPI) is 1831486000, issued on Jul 7, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Christina O'Sullivan, JD, PHD located?

The NPPES record lists a practice address at 1588 N Batavia St, Orange, CA, 92867. Phone: (559) 498-8265. Providers update this record themselves, so call before visiting.

How can I verify Christina O'Sullivan, JD, PHD's license?

NPPES lists California license number PSY24233, 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.