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.
- 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
8 nearest forensic psychologist records → All 257 in California → Look up another NPI →
Verify Christina O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY24233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Christina O'Sullivan among 257 forensic psychologist records in California
Christina O'Sullivan, JD, PHD is one of 257 forensic psychologist records with a practice address in California. 4% 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 2011, is newer than 46% of them.
- NPI issued2011 · 46% of these records are older, 45% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 5% of these records are
- Record last updated2012 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TF0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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 → Forensic Psychologist nationwide →
The 8 forensic psychologist records with the nearest ZIP codes
- Ashley Brown, PSY.D.Orange, CA 928681841638681
- Rose Dixson-WilkinsOrange, CA 928681134476336
- Diana NakashyanOrange, CA 928681376911560
- Lauren Shapiro, PSYDOrange, CA 928681376987982
- John Smead, PSY.DOrange, CA 928681407274582
- Sean Sterling, PH.D.Orange, CA 928681285885699
- Anais Touam, MS, MAOrange, CA 928681972917532
- Samantha Vanscoy, M.A.Orange, CA 928681336553056
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.
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.