Oscar Oo, PSY.D.
NPI 1427128156 · Clinical Psychologist · Newport Beach, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oscar Oo, PSY.D. is a Clinical Psychologist provider in Newport Beach, CA (NPI 1427128156).
Provider details
- NPI number
- 1427128156
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY22699 (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
- 2006-11-09
- Last updated
- 2017-01-11
Frequently asked questions
- What is Oscar Oo's NPI number?
- Oscar Oo's National Provider Identifier (NPI) is 1427128156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oscar Oo's specialty?
- Oscar Oo is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Oscar Oo located?
- Oscar Oo's practice location on file with NPPES is 4000 Macarthur Blvd, Newport Beach, CA 92660-2558.
- What is Oscar Oo's phone number?
- The practice phone number listed in the NPPES registry for Oscar Oo is (949) 648-3704.
- Does Oscar Oo accept Medicare?
- Oscar Oo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oscar Oo's NPI active?
- Yes — Oscar Oo's NPI (1427128156) is active in the NPPES registry as of the last update on 2017-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.