Individual provider Active NPI

David A. Witkowski, PHD

  • Clinical Neuropsychologist
  • Encinitas, CA
National Provider Identifier
1508745860
Registry record updated Aug 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical NeuropsychologistTaxonomy code 103G00000X
License
A-275992 Issued in ZZ
Practice address
1740 Belle Meade Rd
Encinitas, CA 92024-4209
Phone
(760) 815-8353
NPI assigned
Aug 30, 2025
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cognitive & Behavioral Psychologist 103TB0200X ZZ
Clinical NeuropsychologistGroup: 193400000X SINGLE SPECIALTY GROUP 103G00000X A-275992 ZZ Primary

Addresses

Primary practice location

1740 Belle Meade Rd
Encinitas, CA 92024-4209

Mailing address

1740 Belle Meade Rd
Encinitas, CA 92024-4209
Phone (760) 815-8353

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)
Not enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
A-275992ZZMDClinical Neuropsychologist

NPI Registry JSON

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

{
    "created_epoch": "1756512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756512000000",
    "number": "1508745860",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1740 BELLE MEADE RD",
            "city": "ENCINITAS",
            "state": "CA",
            "postal_code": "920244209",
            "telephone_number": "760-815-8353"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1740 BELLE MEADE RD",
            "city": "ENCINITAS",
            "state": "CA",
            "postal_code": "920244209",
            "telephone_number": "760-815-8353"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WITKOWSKI",
        "first_name": "DAVID",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-08-30",
        "last_updated": "2025-08-30",
        "certification_date": "2025-08-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TB0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": "ZZ",
            "license": null,
            "primary": false
        },
        {
            "code": "103G00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Clinical Neuropsychologist",
            "state": "ZZ",
            "license": "A-275992",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Encinitas, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 30, 2025; 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.