Individual provider Active NPI

Thomas Charles Duke, PH.D.

  • Psychologist
  • Pasadena, CA
National Provider Identifier
1679705388
Registry record updated Feb 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
28069 Issued in CA
Practice address
299 N Euclid Ave Ste 500
Pasadena, CA 91101-1468
Phone
(626) 344-6732
NPI assigned
Aug 13, 2009
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 28069 CA Primary

Addresses

Primary practice location

299 N Euclid Ave Ste 500
Pasadena, CA 91101-1468

Mailing address

299 N Euclid Ave Ste 500
Pasadena, CA 91101-1468
Phone (626) 344-6732

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

NPI Registry JSON

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

{
    "created_epoch": "1250121600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1679705388",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "299 N EUCLID AVE STE 500",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911011468",
            "telephone_number": "626-344-6732"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "299 N EUCLID AVE STE 500",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911011468",
            "telephone_number": "626-344-6732"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUKE",
        "first_name": "THOMAS",
        "middle_name": "CHARLES",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-08-13",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "28069",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Pasadena, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 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.