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.

IndividualActive

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)

Practice location

1588 N Batavia St

Orange, CA 92867-3553

Phone: (559) 498-8265

Street-level locationGet directions

More CA providers

Mailing address

1588 N Batavia St

Sunnyvale, CA 94088-4237

Specialties & taxonomies

Forensic PsychologistPrimary103TF0200XLicense PSY24233 (CA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(82/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
15 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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions