Relationship Therapy Center, Inc.

Primary specialty

Forensic PsychologistTaxonomy code 103TF0200X

License

P577 Issued in TN

Legal business name

RELATIONSHIP THERAPY CENTER, INC.

Practice address

7302 Jarnigan Road
Chattanooga, TN 37421

Phone

(423) 855-4091

Fax

(423) 855-8928

NPI assigned

May 3, 2007

Organization subpart

No

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

Authorized official

Name

Dr. William Hillner, PH.D.

Title

Psychologist

Phone

(423) 855-4091

Specialties & licenses 7

Addresses

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

{
    "created_epoch": "1178150400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1932321601",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7302 JARNIGAN ROAD",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "37421",
            "telephone_number": "423-855-4091",
            "fax_number": "423-855-8928"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7302 JARNIGAN ROAD",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "37421",
            "telephone_number": "423-855-4091",
            "fax_number": "423-855-8928"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RELATIONSHIP THERAPY CENTER, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-05-03",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "HILLNER",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "PSYCHOLOGIST",
        "authorized_official_telephone_number": "423-855-4091",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PH.D."
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Clinical Neuropsychologist",
            "state": "TN",
            "license": "775",
            "primary": false
        },
        {
            "code": "103G00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Clinical Neuropsychologist",
            "state": "GA",
            "license": "1243",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": "GA",
            "license": "1243",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": "TN",
            "license": "775",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": "TN",
            "license": "P577",
            "primary": false
        },
        {
            "code": "103TF0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Forensic",
            "state": "TN",
            "license": "P577",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": "TN",
            "license": "IP481",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• 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.