Individual provider Active NPI

Adam Zachary Chester, PSYD

  • Clinical Neuropsychologist
  • Van Nuys, CA
National Provider Identifier
1962109223
Registry record updated Jan 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical NeuropsychologistTaxonomy code 103G00000X
License
34017 Issued in CA
Practice address
7023 Jellico Ave
Van Nuys, CA 91406-3525
Phone
(310) 218-5001
NPI assigned
Feb 7, 2023
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X 34017 CA
Clinical Child & Adolescent Psychologist 103TC2200X 34017 CA
Clinical Neuropsychologist 103G00000X 34017 CA Primary
Cognitive & Behavioral Psychologist 103TB0200X 34017 CA
Health Psychologist 103TH0004X 34017 CA
Adult Development & Aging Psychologist 103TA0700X 34017 CA

Addresses

Primary practice location

7023 Jellico Ave
Van Nuys, CA 91406-3525

Mailing address

7021 Jellico Ave
Van Nuys, CA 91406-3525
Phone (310) 218-5001

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

Practice roles

OrganizationSpecialtyStatusNew patients
Los Angeles Neuropsychology and Psychology Inc Clinical Neuropsychologist CurrentSince Jan 7, 2024 Accepting new patients

Locations

859 Via de la Paz
Ste E
Pacific Palisades, CA 90272
Phone (310) 507-0631

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1675728000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767916800000",
    "number": "1962109223",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7021 JELLICO AVE",
            "city": "VAN NUYS",
            "state": "CA",
            "postal_code": "914063525",
            "telephone_number": "310-218-5001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7023 JELLICO AVE",
            "city": "VAN NUYS",
            "state": "CA",
            "postal_code": "914063525",
            "telephone_number": "310-218-5001"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHESTER",
        "first_name": "ADAM",
        "middle_name": "ZACHARY",
        "name_prefix": "Dr.",
        "credential": "PSYD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-02-07",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "34017",
            "primary": false
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "CA",
            "license": "34017",
            "primary": false
        },
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "CA",
            "license": "34017",
            "primary": true
        },
        {
            "code": "103TB0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": "CA",
            "license": "34017",
            "primary": false
        },
        {
            "code": "103TH0004X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health",
            "state": "CA",
            "license": "34017",
            "primary": false
        },
        {
            "code": "103TA0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Adult Development & Aging",
            "state": "CA",
            "license": "34017",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Van Nuys, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.