Mark Richard Treegoob, PH.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

629 Issued in AZ

Practice address

19420 N 59TH Ave
Ste C269
Glendale, AZ 85308-2800

Phone

(602) 843-5484

Fax

(602) 843-5498

NPI assigned

Sep 5, 2005

Last updated

Sep 27, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in AZ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1125878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790467200000",
    "number": "1144214289",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19420 N 59TH AVE",
            "address_2": "STE C269",
            "city": "GLENDALE",
            "state": "AZ",
            "postal_code": "853082800",
            "telephone_number": "602-375-2868",
            "fax_number": "602-375-3516"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19420 N 59TH AVE",
            "address_2": "STE C269",
            "city": "GLENDALE",
            "state": "AZ",
            "postal_code": "853082800",
            "telephone_number": "602-843-5484",
            "fax_number": "602-843-5498"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "19420 N 59TH AVE",
            "address_2": "STE C269",
            "address_purpose": "LOCATION",
            "city": "GLENDALE",
            "state": "AZ",
            "postal_code": "853082800",
            "country_code": "US",
            "telephone_number": "602-375-2868",
            "fax_number": "602-375-3516",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TREEGOOB",
        "first_name": "MARK",
        "middle_name": "RICHARD",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-09-05",
        "last_updated": "2026-09-27",
        "certification_date": "2022-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "AZ",
            "license": "629",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "731358",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Psychologist in Glendale, AZ
• Providers in Glendale, AZ by specialty
• Psychologist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.