Derek Char, PSY.D.
NPI 1235954652 · Clinical Neuropsychologist · Pomona, CA
Derek Char, PSY.D. is a Clinical Neuropsychologist provider in Pomona, CA (NPI 1235954652).
Provider details
- NPI number
- 1235954652
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY35392 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
1 yr 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
- 2024-11-20
- Last updated
- 2025-12-03
- Certified
- 2025-12-03
Frequently asked questions
- What is Derek Char's NPI number?
- Derek Char's National Provider Identifier (NPI) is 1235954652, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Char's specialty?
- Derek Char is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Derek Char located?
- Derek Char's practice location on file with NPPES is 255 E Bonita Ave Ofc 1420, Pomona, CA 91767-1923.
- What is Derek Char's phone number?
- The practice phone number listed in the NPPES registry for Derek Char is (909) 596-7733.
- Is Derek Char's NPI active?
- Yes — Derek Char's NPI (1235954652) is active in the NPPES registry as of the last update on 2025-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.