Derek Yee-Hsiang Char, PSY.D.
Clinical Neuropsychologist · Pomona, CA
Derek Yee-Hsiang Char, PSY.D. is a clinical neuropsychologist with a practice address in Pomona, California, and NPI 1235954652, issued on Nov 20, 2024. Check the license (California PSY35392, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Derek Yee-Hsiang Char
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- License number
- PSY35392 CA
Self-reported in NPPES; status is on the state search - Practice location
- 255 E Bonita Ave Ofc 1420, Pomona, CA 91767
- Phone
- (909) 596-7733
- Enumerated
- Nov 20, 2024
- Record last updated
- Dec 3, 2025
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 743 in California → Look up another NPI →
Verify Derek Yee-Hsiang Char in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY35392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Derek Yee-Hsiang Char among 743 clinical neuropsychologist records in California
Derek Yee-Hsiang Char, PSY.D. is one of 743 clinical neuropsychologist records with a practice address in California. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 94% of them.
- NPI issued2024 · 94% of these records are older, 4% newer
- In a Medicare fileNo · 23% of these records are
- In the CMS Doctors and Clinicians fileNo · 32% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neuropsychologist providers in California
There are 743 clinical neuropsychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 743 in California → Every provider in Pomona → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Andrea Briseno, PHDPomona, CA 917671518476431
- Elizabeth Cisneros, PH.D.Pomona, CA 917671619102100
- Katrina Keil, PH.D.Pomona, CA 917671427213396
- Raghad Tabaza, PSYDPomona, CA 917671871176636
- Ciro Visone, PSYDPomona, CA 917671740736404
- Gregory Crawford, PSY.D.Ontario, CA 917641427310937
- Emily Fine, PH.D.Ontario, CA 917611578849287
- Taylor WeeksUpland, CA 917841295654515
Common questions
What is Derek Yee-Hsiang Char, PSY.D.'s NPI number?
Derek Yee-Hsiang Char, PSY.D.'s National Provider Identifier (NPI) is 1235954652, issued on Nov 20, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Derek Yee-Hsiang Char, PSY.D. located?
The NPPES record lists a practice address at 255 E Bonita Ave Ofc 1420, Pomona, CA, 91767. Phone: (909) 596-7733. Providers update this record themselves, so call before visiting.
How can I verify Derek Yee-Hsiang Char, PSY.D.'s license?
NPPES lists California license number PSY35392, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.