Kaitlin O'Brien, PH.D.
NPI 1194468439 · Clinical Psychologist · Costa Mesa, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kaitlin O'Brien, PH.D. is a Clinical Psychologist provider in Costa Mesa, CA (NPI 1194468439).
Provider details
- NPI number
- 1194468439
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PSY35098 (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
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 625 S Fair Oaks Ave Ste 325Pasadena, CA 91105-2675Phone: (626) 535-9344Fax: (626) 535-9387
Registry dates
- Enumerated
- 2022-04-14
- Last updated
- 2024-08-13
- Certified
- 2024-08-13
Frequently asked questions
- What is Kaitlin O'Brien's NPI number?
- Kaitlin O'Brien's National Provider Identifier (NPI) is 1194468439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kaitlin O'Brien's specialty?
- Kaitlin O'Brien is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Kaitlin O'Brien located?
- Kaitlin O'Brien's practice location on file with NPPES is 940 S Coast Dr Ste 225, Costa Mesa, CA 92626-7757.
- What is Kaitlin O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Kaitlin O'Brien is (949) 743-1457.
- Does Kaitlin O'Brien accept Medicare?
- Kaitlin O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kaitlin O'Brien's NPI active?
- Yes — Kaitlin O'Brien's NPI (1194468439) is active in the NPPES registry as of the last update on 2024-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.