DR. ADAM ZACHARY CHESTER PSYD
NPI 1962109223
Clinical Neuropsychologist in Van Nuys, CA

Q: What is Adam Chester's NPI number?

The NPI number for Adam Chester is 1962109223. It was assigned to this individual provider in the NPPES registry on February 7, 2023.

Q: What is Adam Chester's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Q: When was this NPI record last updated?

The NPPES record for Adam Chester was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 07, 2023

7023 JELLICO AVE, VAN NUYS, CA 91406(310) 218-5001 Get Directions Write a Review

NPPES record last updated: January 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 9, 2026, Feb 7, 2023 (2 updates tracked since 2023).

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About Dr. Adam Zachary Chester Psyd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ADAM ZACHARY CHESTER PSYD (NPI 1962109223) is an individual clinical neuropsychologist in Van Nuys, California, licensed in California (34017) and active in the NPI registry since February 2023.

NPPES Registry Identity

NPI1962109223

Entity TypeIndividualMale

Primary Taxonomy103G00000X

Provider Legal NameDR. ADAM ZACHARY CHESTERCredential: PSYD

Location Address7023 JELLICO AVEVan Nuys, CA 91406-3525

Mailing Address7021 Jellico AveVan Nuys, CA 91406-3525 · (310) 218-5001

Phone(310) 218-5001

Sole ProprietorYes

Enumeration DateFebruary 7, 2023

Last NPPES UpdateJanuary 9, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 9, 2026

✔ NPI 1962109223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

License✔ Licensed in CA · 34017

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Also ListedPsychologist · Adult Development & AgingTaxonomy 103TA0700X · License 34017 (CA)

Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License 34017 (CA)

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 34017 (CA)

Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 34017 (CA)

Also ListedPsychologist · HealthTaxonomy 103TH0004X · License 34017 (CA)

7023 JELLICO AVE, Van Nuys, CA 91406

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adam Chester's NPI number?

The NPI number for Adam Chester is 1962109223. It was assigned to this individual provider in the NPPES registry on February 7, 2023.

Where is Adam Chester located?

Adam Chester practices at 7023 Jellico Ave, Van Nuys, CA 91406. The listed phone number is (310) 218-5001.

What is Adam Chester's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

When was this NPI record last updated?

The NPPES record for Adam Chester was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.