NPIMap

Individual provider Active NPI

Thanh Tam Nguyen, MD

  • Hospitalist Physician
  • Houston, TX
National Provider Identifier
1902252349
Registry record updated Sep 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
S8743 Issued in TX
Practice address
921 Gessner Rd
Houston, TX 77024-2501
Phone
(713) 242-3768
NPI assigned
May 4, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 08889222 NY
Internal Medicine Physician 207R00000X S8743 TX
Hospitalist Physician 208M00000X S8743 TX Primary

Addresses

Primary practice location

921 Gessner Rd
Houston, TX 77024-2501

Mailing address

930 Frostwood Dr Ste 2.200
Houston, TX 77024-2450
Phone (713) 242-3768

Other practice location 1

506 6th St
Brooklyn, NY 11215-3609
Phone (718) 780-3000

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
I20201106002060 TX Practitioner - Internal MedicinePractitioner - Hospitalist 8527478254 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Memorial Hermann Medical GroupGroup PAC ID 7012008360, 760 clinicians

Practice addresses (Care Compare)

915 Gessner Rd
Suite 100
Houston, TX 77024-2537
Phone (713) 242-2222

921 Gessner Rd
Houston, TX 77024-2501

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.11 of 100Reported as group
Quality
69.15
Promoting interoperability
100
Improvement activities
40
Cost
73.63

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
08889222NYMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hermann Medical Group Surgery CurrentSince Mar 1, 2025 Accepting new patients
Memorial Hermann Health System Past Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation PastSince Jan 26, 2025 Accepting new patients

Locations

1505 E Winding Way Dr
Ste 200
Friendswood, TX 77546
Phone (713) 366-7800

921 Gessner Rd
Ste 317
Houston, TX 77024
Phone (713) 242-3768

915 Gessner Rd
Ste 100
Houston, TX 77024
Phone (713) 242-2222

6411 Fannin St
Houston, TX 77030
Phone (713) 500-6200

1801 North Loop W
Ste 30
Houston, TX 77008
Phone (713) 802-9781

3203 Broadway St
Pearland, TX 77581
Phone (281) 485-8876

Organizations & group practices 3

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 11

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": "1462320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1902252349",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "930 FROSTWOOD DR STE 2.200",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242450",
            "telephone_number": "713-242-3768"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "921 GESSNER RD",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242501",
            "telephone_number": "713-242-3768"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "506 6th St",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112153609",
            "country_code": "US",
            "telephone_number": "718-780-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "THANH TAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-05-04",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NY",
            "license": "08889222",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "S8743",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "S8743",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.