Psychological Evaluation Therapy & Research LTD

Primary specialty

School PsychologistTaxonomy code 103TS0200X

License

123 Issued in SD

Legal business name

PSYCHOLOGICAL EVALUATION THERAPY & RESEARCH LTD

Practice address

3601 Canyon Lake Drive
Rapid City, SD 57702

Phone

(605) 341-8647

Fax

(605) 341-0489

NPI assigned

Jul 27, 2006

Organization subpart

No

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

Authorized official

Name

Dr. Dewey J Ertz, ED D

Title

President Psychologist

Phone

(605) 341-8647

Specialties & licenses 8

Addresses

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

{
    "created_epoch": "1153958400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1790709145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3601 CANYON LAKE DRIVE",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "57702",
            "telephone_number": "605-341-8647",
            "fax_number": "605-341-0489"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3601 CANYON LAKE DRIVE",
            "city": "RAPID CITY",
            "state": "SD",
            "postal_code": "57702",
            "telephone_number": "605-341-8647",
            "fax_number": "605-341-0489"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PSYCHOLOGICAL EVALUATION THERAPY & RESEARCH LTD",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-27",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "ERTZ",
        "authorized_official_first_name": "DEWEY",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "PRESIDENT PSYCHOLOGIST",
        "authorized_official_telephone_number": "605-341-8647",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "ED D"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": "SD",
            "license": "123",
            "primary": false
        },
        {
            "code": "103TA0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": "SD",
            "license": "123",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": "SD",
            "license": "123",
            "primary": false
        },
        {
            "code": "103TF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Family",
            "state": "SD",
            "license": "123",
            "primary": false
        },
        {
            "code": "103TF0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Forensic",
            "state": "SD",
            "license": "123",
            "primary": false
        },
        {
            "code": "103TM1800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Intellectual & Developmental Disabilities",
            "state": "SD",
            "license": "123",
            "primary": false
        },
        {
            "code": "103TR0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Rehabilitation",
            "state": "SD",
            "license": "123",
            "primary": false
        },
        {
            "code": "103TS0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, School",
            "state": "SD",
            "license": "123",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• School Psychologist in Rapid City, SD
• Providers in Rapid City, SD by specialty
• School Psychologist in South Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.