Harold D Duncan, PH.D.

Primary specialty

Marriage & Family TherapistTaxonomy code 106H00000X

License

3810 Issued in TX

Practice address

12700 Preston Rd
Suite 150
Dallas, TX 75230-1864

Phone

(972) 233-9199

Fax

(972) 233-9799

NPI assigned

Aug 1, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• D Bennett Counseling LTD Co

  • Professional Counselor
  • Dallas, TX
  • NPI 1336826510
  NPD (past)

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

{
    "created_epoch": "1154390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1780691196",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12700 PRESTON RD",
            "address_2": "SUITE 150",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752307523",
            "telephone_number": "972-233-9199",
            "fax_number": "972-233-9799"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12700 PRESTON RD",
            "address_2": "SUITE 150",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752301864",
            "telephone_number": "972-233-9199",
            "fax_number": "972-233-9799"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNCAN",
        "first_name": "HAROLD",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-01",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "TX",
            "license": "9278",
            "primary": false
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "TX",
            "license": "3810",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melinda Dunbar, LPC
• Barrett W Duncan, MD
• Denise Duncan
• Douglas Jon Duncan, LPC
• Elizabeth Nicole Duncan
• Kathryn Madison Duncan, LPC
• Krystal Evette Duncan
• Latanya Duncan
• Martina Duncan
• Meghann Duncan, FNP

• Marriage & Family Therapist in Dallas, TX
• Providers in Dallas, TX by specialty
• Marriage & Family Therapist in Texas

• 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.