Active NPI
Phu Si Huynh, MD
- Critical Care Medicine (Internal Medicine) Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- V7533
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
- Memorial Hermann - Texas Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| V7533 | TX | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ut Physicians | Current | Accepting new patients | |
| Ut Physicians | Emergency Medicine | Current | 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.
-
- Health Educator
- Houston, TX
- NPI 1316534472
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
- Houston, TX
- NPI 1437189115
Hospital
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
-
- General Acute Care Hospital
- Houston, TX
- NPI 1982666111
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.