Diana Khoa Nguyen, DO

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

T8002 Issued in TX

Practice address

4701 Samuell Blvd
Dallas, TX 75228-6828

Phone

(972) 861-5611

NPI assigned

Apr 3, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Psychiatry

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dallas County Mental Health and Mental Retardation CenterGroup PAC ID 2062308091, 68 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: diana.nguyen.1@8363.direct.athenahealth.com

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.

• Dallas County Mental Health & Mental Retardation Center

  • Psychiatry Physician
  • Dallas, TX
  • NPI 1023239886
  Medicare reassignment Care Compare group NPD
• Austin Travis County Mental Health and Mental Retardation Center

  • Psychiatry Physician
  • Austin, TX
  • NPI 1750337259
  Medicare reassignment NPD
• Behavioral Health of North Texas LLP

  • Prescribing (Medical) Psychologist
  • Dallas, TX
  • NPI 1699328195
  Medicare reassignment NPD
• Austin Travis County Mental Health and Mental Retardation Center

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Austin, TX
  • NPI 1053632505
  NPD

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

{
    "created_epoch": "1585872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1699304568",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6206A CLOVIS ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787412300",
            "telephone_number": "469-644-8321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4701 SAMUELL BLVD",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752286828",
            "telephone_number": "972-861-5611"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "DIANA",
        "middle_name": "KHOA",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-03",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "T8002",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David Huu Nguyen, OD
• David Huu Nguyen, M.D.
• David Phong Nguyen, DDS
• Debra N Nguyen
• Denny Nguyen
• Diana Thi Nguyen, O.D.
• Diane Nguyen, MD
• Diem Hong Nguyen, D.D.S.
• Doreen N Nguyen, M.D.
• Douglas Nguyen, MD

• Psychiatry Physician in Dallas, TX
• Providers in Dallas, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 2025; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.