Justin Andersen, PHD
NPI 1427462357 · Clinical Psychologist · Norwalk, CA
Justin Andersen, PHD is a Clinical Psychologist provider in Norwalk, CA (NPI 1427462357).
Provider details
- NPI number
- 1427462357
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2014-06-18
- Last updated
- 2023-06-12
- Certified
- 2023-06-12
Frequently asked questions
- What is Justin Andersen's NPI number?
- Justin Andersen's National Provider Identifier (NPI) is 1427462357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Andersen's specialty?
- Justin Andersen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Justin Andersen located?
- Justin Andersen's practice location on file with NPPES is 12501 Imperial Hwy, Norwalk, CA 90650-3179.
- What is Justin Andersen's phone number?
- The practice phone number listed in the NPPES registry for Justin Andersen is (562) 864-7821.
- Is Justin Andersen's NPI active?
- Yes — Justin Andersen's NPI (1427462357) is active in the NPPES registry as of the last update on 2023-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.