NPIMap

Individual provider Active NPI

Lam Nguyen

  • Hospitalist Physician
  • Houston, TX
National Provider Identifier
1205360419
Registry record updated Sep 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
S7297 Issued in TX
Practice address
921 Gessner Rd Ste 317
Houston, TX 77024-2501
Phone
(713) 242-3768
NPI assigned
Apr 13, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X S7297 TX
Hospitalist Physician 208M00000X S7297 TX Primary

Addresses

Primary practice location

921 Gessner Rd Ste 317
Houston, TX 77024-2501

Mailing address

920 Frostwood Dr Ste 2.300
Houston, TX 77024-2314

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
I20200917000691 TX Practitioner - Internal MedicinePractitioner - Hospitalist 9234557646 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Other, 2017
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

  • Memorial Hermann Memorial City Hospital Hospital, Houston, TX, CCN 450610
  • Memorial Hermann - Texas Medical Center Hospital, Houston, TX, CCN 450068
  • Memorial Hermann Hospital System Hospital, Houston, TX, CCN 450184

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
S7297TXMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ut Physicians CurrentSince Sep 9, 2020 Accepting new patients
Ut Physicians Internal Medicine CurrentSince Sep 9, 2020 Accepting new patients
Memorial Hermann Medical Group Internal Medicine CurrentSince Sep 22, 2025 Accepting new patients
Memorial Hermann Health System Past Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation PastSince Sep 28, 2025 Accepting new patients
Memorial Hermann Health System Past 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

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

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

6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714

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

920 Frostwood Dr
Ste 2300
Houston, TX 77024
Phone (713) 338-5519

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

Organizations & group practices 6

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 16

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

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1492041600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758672000000",
    "number": "1205360419",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "920 FROSTWOOD DR STE 2.300",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242314"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "921 GESSNER RD STE 317",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770242501",
            "telephone_number": "713-242-3768"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "LAM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-13",
        "last_updated": "2025-09-24",
        "certification_date": "2025-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "S7297",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "S7297",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.