Individual provider Active NPI

Phu Si Huynh, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Houston, TX
National Provider Identifier
1952920522
Registry record updated Jul 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
V7533 Issued in TX
Practice address
6411 Fannin St
Houston, TX 77030-1501
Phone
(832) 325-7222
Fax
(713) 500-6829
NPI assigned
Apr 13, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X V7533 TX
Critical Care Medicine (Internal Medicine) Physician 207RC0200X V7533 TX Primary

Addresses

Primary practice location

6411 Fannin St
Houston, TX 77030-1501

Mailing address

6431 Fannin St
MSB 1.255E
Houston, TX 77030-1501
Phone (832) 325-7222

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
I20250718000908 TX Practitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 3274951710 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Critical Care (Intensivists)
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ut PhysiciansGroup PAC ID 8426960360, 1,744 clinicians

Practice addresses (Care Compare)

16100 S Fwy
Pearland, TX 77584-1895
Phone (713) 413-5000

27700 Hwy 290
Cypress, TX 77433-6767

27700 Northwest Fwy
Cypress, TX 77433-6767
Phone (713) 486-5750

27700 Northwest Fwy 320
Cypress, TX 77433-6767
Phone (713) 486-5750

27700 NW Fwy 200
Cypress, TX 77433-6767
Phone (713) 486-5750

6410 Fannin St
Houston, TX 77030-3005

6411 Fannin St
Houston, TX 77030-1501
Phone (713) 704-0093

6431 Fannin St
MSB2.100
Houston, TX 77030-1501
Phone (713) 500-7700

7600 Beechnut St
Houston, TX 77074-4302
Phone (713) 456-5000

Hospital & facility affiliations

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
V7533TXMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ut Physicians CurrentSince Aug 4, 2025 Accepting new patients
Ut Physicians Emergency Medicine CurrentSince Aug 4, 2025 Accepting new patients

Locations

6431 Fannin St
#1255E
Houston, TX 77030
Phone (713) 500-6828

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

6410 Fannin St
#135
Houston, TX 77030

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

6431 Fannin St
Houston, TX 77030
Phone (713) 500-5800

Organizations & group practices 2

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 8

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": "1586736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753056000000",
    "number": "1952920522",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6431 FANNIN ST",
            "address_2": "MSB 1.255E",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "832-325-7222",
            "fax_number": "713-500-6829"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6411 FANNIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770301501",
            "telephone_number": "832-325-7222",
            "fax_number": "713-500-6829"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HUYNH",
        "first_name": "PHU",
        "middle_name": "SI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-13",
        "last_updated": "2025-07-21",
        "certification_date": "2025-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "V7533",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TX",
            "license": "V7533",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.