Alison Duncan, PSYD., BCBA
NPI 1992049639 · Clinical Child & Adolescent Psychologist · Garden Grove, CA
Alison Duncan, PSYD., BCBA is a Clinical Child & Adolescent Psychologist provider in Garden Grove, CA (NPI 1992049639).
Provider details
- NPI number
- 1992049639
- Entity type
- Individual
- Primary specialty
- Clinical Child & Adolescent PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD., BCBA
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY28009 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
13 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)
- 3501 W Jefferson BlvdLos Angeles, CA 90018-3237Phone: (203) 494-1328
Registry dates
- Enumerated
- 2012-11-19
- Last updated
- 2020-01-10
- Certified
- 2020-01-10
Frequently asked questions
- What is Alison Duncan's NPI number?
- Alison Duncan's National Provider Identifier (NPI) is 1992049639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Duncan's specialty?
- Alison Duncan is listed in the NPPES registry with a primary specialty of Clinical Child & Adolescent Psychologist (Behavioral Health & Social Service Providers).
- Where is Alison Duncan located?
- Alison Duncan's practice location on file with NPPES is 12062 Valley View St Ste 220, Garden Grove, CA 92845-1739.
- What is Alison Duncan's phone number?
- The practice phone number listed in the NPPES registry for Alison Duncan is (203) 494-1328.
- Is Alison Duncan's NPI active?
- Yes — Alison Duncan's NPI (1992049639) is active in the NPPES registry as of the last update on 2020-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.