NPIMap

Individual provider Active NPI

Thien An Nguyen, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Katy, TX
National Provider Identifier
1477872505
Registry record updated Aug 12, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
Q9696 Issued in TX
Practice address
PO Box 475
Katy, TX 77492-0475
Phone
(281) 703-3020
Fax
(281) 578-4862
NPI assigned
May 28, 2010
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 12, 2024

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X Q9696 TX
Pulmonary Disease Physician 207RP1001X Q9696 TX
Critical Care Medicine (Internal Medicine) Physician 207RC0200X Q9696 TX Primary

Addresses

Primary practice location

PO Box 475
Katy, TX 77492-0475

Mailing address

PO Box 475
Katy, TX 77492-0475
Phone (281) 703-3020

Other practice location 1

1401 St Joseph Pkwy
Houston, TX 77002-8301
Phone (850) 607-3641

Other practice location 2

600 Elizabeth St
Corpus Christi, TX 78404-2235
Phone (361) 881-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170123001354 TX Practitioner - Internal MedicinePractitioner - Pulmonary Disease 8921303801 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pulmonary Disease
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Katy Critical Care Consultants PLLCGroup PAC ID 4284923053, 5 clinicians
Q-Health Partners PLLCGroup PAC ID 1153645155, 21 clinicians

Practice addresses (Care Compare)

23900 Katy Fwy
Katy, TX 77494-1323
Phone (281) 644-7000

7015 Almeda Rd
Suite 3
Houston, TX 77054-2101
Phone (713) 520-6875

Hospital & facility affiliations

  • Memorial Hermann Katy Hospital Hospital, Katy, TX, CCN 450847
  • HCA Houston Healthcare Southeast Hospital, Pasadena, TX, CCN 450097
  • St Joseph Medical Center Hospital, Houston, TX, CCN 450035
  • Memorial Hermann - Texas Medical Center Hospital, Houston, TX, CCN 450068
  • Memorial Hermann Memorial City Hospital Hospital, Houston, TX, CCN 450610

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
Q9696TXMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Katy Critical Care Consultants PLLC Critical Care Medicine CurrentSince Jun 19, 2024 Accepting new patients
Q-Health Partners, PLLC CurrentSince Oct 1, 2020 Accepting new patients
Sherman MD Provider Inc Critical Care Medicine CurrentSince Oct 14, 2025 Accepting new patients
Sherman MD Provider Inc Internal Medicine Current Accepting new patients
Sherman MD Provider Inc CurrentSince Oct 14, 2025 Accepting new patients
Hni Physician Services of Texas, Inc Internal Medicine CurrentSince Jan 1, 2021 Accepting new patients
Lone Star Intensivists at Gulf Coast, PLLC Critical Care Medicine CurrentSince Dec 12, 2019 Accepting new patients
Hsa St. Joseph, LLC Past Accepting new patients
Memorial Hermann Health System Past Accepting new patients
SJ Medical Center, LLC Past Accepting new patients

Locations

2000 Health Park Dr
Brentwood, TN 37027
Phone (615) 372-5426

7015 Almeda Rd
Ste 3
Houston, TX 77054
Phone (713) 520-6875

12141 Richmond Ave
Houston, TX 77082
Phone (281) 558-3444

1401 St Joseph Pkwy
Houston, TX 77002
Phone (713) 575-1000

1315 St Joseph Pkwy
Ste 806
Houston, TX 77002
Phone (713) 650-1900

23900 Katy Fwy
Katy, TX 77494
Phone (281) 644-7000

10700 McPherson Rd
Laredo, TX 78045
Phone (956) 523-2190

2555 Jimmy Johnson Blvd
Port Arthur, TX 77640
Phone (409) 724-7389

3401 N Calais Dr
Ste A
Sherman, TX 75090
Phone (903) 870-2094

500 N Highland Ave
Sherman, TX 75092
Phone (903) 870-4494

1908 N Laurent St
Ste 330
Victoria, TX 77901
Phone 36157203332244

Interoperability endpoints

  • Direct secure messaging: thien.nguyen@7800659312644.direct.elationemr.com

Organizations & group practices 10

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1275004800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1723420800000",
    "number": "1477872505",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 475",
            "city": "KATY",
            "state": "TX",
            "postal_code": "774920475",
            "telephone_number": "281-703-3020",
            "fax_number": "281-578-4862"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "PO BOX 475",
            "city": "KATY",
            "state": "TX",
            "postal_code": "774920475",
            "telephone_number": "281-703-3020",
            "fax_number": "281-578-4862"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1401 St Joseph Pkwy",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770028301",
            "country_code": "US",
            "telephone_number": "850-607-3641",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "600 Elizabeth St",
            "address_purpose": "LOCATION",
            "city": "Corpus Christi",
            "state": "TX",
            "postal_code": "784042235",
            "country_code": "US",
            "telephone_number": "361-881-3000",
            "fax_number": "361-881-3149",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "THIEN",
        "middle_name": "AN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-05-28",
        "last_updated": "2024-08-12",
        "certification_date": "2024-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "Q9696",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "TX",
            "license": "Q9696",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TX",
            "license": "Q9696",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Katy, TX

Sources for this page

Verify at the official NPI Registry.