Christina O'Sullivan, JD, PHD
NPI 1831486000 · Forensic Psychologist · Orange, CA
Christina O'Sullivan, JD, PHD is a Forensic Psychologist provider in Orange, CA (NPI 1831486000).
Provider details
- NPI number
- 1831486000
- Entity type
- Individual
- Primary specialty
- Forensic PsychologistBehavioral Health & Social Service Providers
- Credential
- JD, PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY24233 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-07
- Last updated
- 2012-09-14
Frequently asked questions
- What is Christina O'Sullivan's NPI number?
- Christina O'Sullivan's National Provider Identifier (NPI) is 1831486000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina O'Sullivan's specialty?
- Christina O'Sullivan is listed in the NPPES registry with a primary specialty of Forensic Psychologist (Behavioral Health & Social Service Providers).
- Where is Christina O'Sullivan located?
- Christina O'Sullivan's practice location on file with NPPES is 1588 N Batavia St, Orange, CA 92867-3553.
- What is Christina O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Christina O'Sullivan is (559) 498-8265.
- Is Christina O'Sullivan's NPI active?
- Yes — Christina O'Sullivan's NPI (1831486000) is active in the NPPES registry as of the last update on 2012-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.