Individual provider Active NPI

Anh D Nguyen

  • Gastroenterology Physician
  • Dallas, TX
National Provider Identifier
1265759823
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
P4792 Issued in TX
Practice address
3434 Swiss Ave Ste 200
Dallas, TX 75204-6251
Phone
(469) 800-7050
Fax
(694) 800-7060
NPI assigned
Apr 22, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X P4792 TX Primary
Internal Medicine Physician 207R00000X P4792 TX

Addresses

Primary practice location

3434 Swiss Ave Ste 200
Dallas, TX 75204-6251

Mailing address

3434 Swiss Ave Ste 200
Dallas, TX 75204-6251
Phone (469) 800-7050

Other identifiers 1

IdentifierTypeStateIssuer
3274672-01MedicaidTX

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address anguyen561947@direct.sw.org

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20131004000254 TX Practitioner - GastroenterologyPractitioner - Internal Medicine 8426282484 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
University of Texas Medical School at San Antonio, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Healthtexas Provider NetworkGroup PAC ID 1355254210, 2,535 clinicians

Practice addresses (Care Compare)

3600 Gaston Ave
Suite 711
Dallas, TX 75246-1800
Phone (469) 800-7050

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy18
Upper gastrointestinal (GI) endoscopy for acid reflux190

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
P4792TXMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Healthtexas Provider Network Internal Medicine Current Accepting new patients
Healthtexas Provider Network CurrentSince Oct 28, 2019 Accepting new patients
Healthtexas Provider Network CurrentSince Oct 28, 2019 Accepting new patients
Healthtexas Provider Network PastSince Nov 8, 2025 Accepting new patients

Locations

3600 Gaston Ave
Ste 558
Dallas, TX 75246

8080 N Central Expy
Ste 600
Dallas, TX 75206
Phone (972) 860-8648

3600 Gaston Ave
Ste 4
Dallas, TX 75246

4001 Worth St
Dallas, TX 75246
Phone (214) 828-1745

3417 Gaston Ave
Ste 1000
Dallas, TX 75246
Phone (469) 800-9000

4001 Worth St
#A
Dallas, TX 75246
Phone (214) 820-8665

3600 Gaston Ave
Ste 711
Dallas, TX 75246
Phone (469) 800-7050

700 Walter Reed Blvd
Ste 203
Garland, TX 75042
Phone (972) 426-9900

Interoperability endpoints

  • Direct secure messaging: anguyen561947@direct.sw.org

Organizations & group practices 4

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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1271894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1265759823",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3434 SWISS AVE STE 200",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752046251",
            "telephone_number": "469-800-7050",
            "fax_number": "694-800-7060"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3434 SWISS AVE STE 200",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752046251",
            "telephone_number": "469-800-7050",
            "fax_number": "694-800-7060"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "ANH",
        "middle_name": "D",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-04-22",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "TX",
            "license": "P4792",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "P4792",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3274672-01",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "anguyen561947@direct.sw.org",
            "affiliation": "N",
            "address_1": "3417 Gaston Ave Ste 1000",
            "city": "Dallas",
            "state": "TX",
            "country_code": "US",
            "postal_code": "752462037",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.