Vian Hien Nguyen, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

N8433 Issued in TX

Practice address

19333 Clay Rd
Katy, TX 77449-4001

Phone

(713) 462-6565

NPI assigned

Jan 9, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 3

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Asian American Health Coalition of the Greater Houston Area

  • Federally Qualified Health Center (FQHC)
  • Houston, TX
  • NPI 1699966754
  Medicare reassignment NPD
• Spring Branch Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Houston, TX
  • NPI 1235141409
  Medicare reassignment NPD
• Asian American Health Coalition of the Greater Houston Area

  • Pharmacy
  • Houston, TX
  • NPI 1174236632
  NPD
• Asian American Health Coalition of the Greater Houston Area

  • Federally Qualified Health Center (FQHC)
  • Houston, TX
  • NPI 1972239341
  NPD
• Spring Branch Community Health Center

  • Community/Retail Pharmacy
  • Katy, TX
  • NPI 1003628140
  NPD
• Spring Branch Community Health Center

  • Federally Qualified Health Center (FQHC)
  • Katy, TX
  • NPI 1548670128
  NPD

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

{
    "created_epoch": "1231459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1083851299",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5502 1ST ST",
            "city": "KATY",
            "state": "TX",
            "postal_code": "774932472",
            "telephone_number": "832-548-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19333 CLAY RD",
            "city": "KATY",
            "state": "TX",
            "postal_code": "774494001",
            "telephone_number": "713-462-6565"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13930 Bellaire Blvd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770831719",
            "country_code": "US",
            "telephone_number": "713-773-0803 x1233",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6441 High Star Dr",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770745005",
            "country_code": "US",
            "telephone_number": "832-548-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "VIAN",
        "middle_name": "HIEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-01-09",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "261QF0400X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Federally Qualified Health Center (FQHC)",
            "state": "TX",
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "N8433",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LEGACY COMMUNITY HEALTH SERVICES, INC SITE MEDICARE NUMBER",
            "identifier": "671985",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LEGACY COMMUNITY HEALTH SERVICES INC MEDICAID NUMBER",
            "identifier": "080462703",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TEXAS MEDICAL LICENSE",
            "identifier": "N8433",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Tu Nguyen, DMD
• Tuquyen C Nguyen
• Van Thuy Nguyen, WHCNP
• VI Thuy Nguyen, PHARMD
• VI Yen Nguyen, O.D.
• Vy Nguyen
• NGX Katy PLLC
• NHCG Trichology LLC
• Maisur Niaz
• Asad Khan Niazi, MD, MPH

• Obstetrics & Gynecology Physician in Katy, TX
• Providers in Katy, TX by specialty
• Obstetrics & Gynecology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.