Arlene O'Connor, PSY.D.
NPI 1174659627 · Clinical Psychologist · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arlene O'Connor, PSY.D. is a Clinical Psychologist provider in Mission Viejo, CA (NPI 1174659627).
Provider details
- NPI number
- 1174659627
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY18396 (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
19 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
- 2007-02-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Arlene O'Connor's NPI number?
- Arlene O'Connor's National Provider Identifier (NPI) is 1174659627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arlene O'Connor's specialty?
- Arlene O'Connor is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Arlene O'Connor located?
- Arlene O'Connor's practice location on file with NPPES is 26381 Crown Valley Pkwy, Mission Viejo, CA 92691-6368.
- What is Arlene O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Arlene O'Connor is (310) 993-8188.
- Does Arlene O'Connor accept Medicare?
- Arlene O'Connor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arlene O'Connor's NPI active?
- Yes — Arlene O'Connor's NPI (1174659627) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.