Individual provider Active NPI

Hamza Saifuddin Tahir, DO

  • Hospitalist Physician
  • The Woodlands, TX
National Provider Identifier
1053976423
Registry record updated Jan 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
V0657 Issued in TX
Practice address
17200 St Lukes Way
The Woodlands, TX 77384-8007
Phone
(936) 266-2000
NPI assigned
May 1, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 6, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Hospitalist Physician 208M00000X V0657 TX Primary
Hospitalist Physician 208M00000X 036161316 IL
Internal Medicine Physician 207R00000X 036161316 IL
Internal Medicine Physician 207R00000X V0657 TX

Addresses

Primary practice location

17200 St Lukes Way
The Woodlands, TX 77384-8007

Mailing address

7200 Cambridge St Ste E6.100
Houston, TX 77030-4202

Other practice location 1

7620 W 111th St
Palos Hills, IL 60465-2302
Phone (708) 425-9000

Other practice location 2

20201 Crawford Ave
Olympia Fields, IL 60461-1010
Phone (708) 855-7297

Other practice location 3

50 E Canfield St
Detroit, MI 48201-1804
Phone (313) 745-4525

Other practice location 4

2727 W Holcombe Blvd
Houston, TX 77025-1669
Phone (713) 442-0000

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address htahir390791@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20221202002464 IL Practitioner - HospitalistPractitioner - Internal Medicine 1850624651 Reassigns benefits to 2 organizations
I20241002003095 TX Practitioner - HospitalistPractitioner - Internal Medicine 1850624651 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
William Carey University College of Osteopathic Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mindshape Clinic PLCGroup PAC ID 6608222369, 2 clinicians
Baylor College of MedicineGroup PAC ID 8022243971, 1,230 clinicians
Hospital Medicine Services of TX, PLLCGroup PAC ID 3274998067, 376 clinicians

Practice addresses (Care Compare)

1008 Highridge Rd
Suite 3
Lombard, IL 60148-3702
Phone (515) 650-3031

17200 St Luke'S Way
The Woodlands, TX 77384-8007
Phone (713) 798-1000

2257 Gulfstream Dr
Suite 3
Little Elm, TX 75068-5978
Phone (515) 650-3031

504 Medical Ctr Blvd
Conroe, TX 77304-2808
Phone (936) 539-1111

Hospital & facility affiliations

  • St Luke'S the Woodlands Hospital Hospital, The Woodlands, TX, CCN 450862
  • HCA Houston Healthcare Conroe Hospital, Conroe, TX, CCN 450222

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Hospital Medicine Services of TX, PLLC Hospitalist CurrentSince Sep 1, 2024 Accepting new patients
TMH Physician Associates PLLC CurrentSince Aug 1, 2025 Accepting new patients
Baylor College of Medicine Internal Medicine CurrentSince Sep 15, 2025 Accepting new patients
TMH Physician Associates PLLC Internal Medicine CurrentSince Aug 1, 2025 Accepting new patients
Mindshape Clinic PLC Internal Medicine CurrentSince Jun 1, 2025 Accepting new patients
Kelsey-Seybold Medical Group, PLLC Internal Medicine CurrentSince Apr 28, 2025 Accepting new patients
Baylor College of Medicine CurrentSince Sep 15, 2025 Accepting new patients
St. Luke'S Community Health Services Past Accepting new patients
Chca Conroe LP Past Accepting new patients

Locations

504 Medical Center Blvd
Conroe, TX 77304
Phone (936) 539-1111

7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924

2727 W Holcombe Blvd
Houston, TX 77025
Phone (713) 790-9412

7200 Cambridge St
Ste E6100
Houston, TX 77030

7200 Cambridge St
Fl 10
Houston, TX 77030
Phone 7137981750 ext. 2

7575 San Felipe St
Ste 155
Houston, TX 77063
Phone (713) 266-9955

2 Greenway Plz
Ste 900
Houston, TX 77046
Phone (713) 798-1835

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

201 Enterprise Ave
Ste 900
League City, TX 77573
Phone (713) 442-2826

7010 Highway 6
Missouri City, TX 77459
Phone (713) 442-4200

11511 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 442-4997

11100 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 770-7000

2515 Business Center Dr
Pearland, TX 77584
Phone (713) 442-7200

7700 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 575-5564

17200 St Lukes Way
The Woodlands, TX 77384
Phone (936) 266-2008

17450 St Lukes Way
Ste 340
The Woodlands, TX 77384
Phone (936) 266-2645

Interoperability endpoints

  • Direct secure messaging: htahir390791@direct.myadvocateaurora.org
  • Direct secure messaging: hamza.tahir.1@13014.direct.athenahealth.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 2

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": "1556668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767657600000",
    "number": "1053976423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7200 CAMBRIDGE ST STE E6.100",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770304202"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17200 ST LUKES WAY",
            "city": "THE WOODLANDS",
            "state": "TX",
            "postal_code": "773848007",
            "telephone_number": "936-266-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7620 W 111th St",
            "address_purpose": "LOCATION",
            "city": "Palos Hills",
            "state": "IL",
            "postal_code": "604652302",
            "country_code": "US",
            "telephone_number": "708-425-9000",
            "fax_number": "708-974-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "20201 Crawford Ave",
            "address_purpose": "LOCATION",
            "city": "Olympia Fields",
            "state": "IL",
            "postal_code": "604611010",
            "country_code": "US",
            "telephone_number": "708-855-7297",
            "fax_number": "708-679-2161",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "50 E Canfield St",
            "address_purpose": "LOCATION",
            "city": "Detroit",
            "state": "MI",
            "postal_code": "482011804",
            "country_code": "US",
            "telephone_number": "313-745-4525",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2727 W Holcombe Blvd",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770251669",
            "country_code": "US",
            "telephone_number": "713-442-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TAHIR",
        "first_name": "HAMZA",
        "middle_name": "SAIFUDDIN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-01",
        "last_updated": "2026-01-06",
        "certification_date": "2026-01-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "V0657",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036161316",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036161316",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "V0657",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "htahir390791@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "7620 W 111th St",
            "city": "Palos Hills",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604652302",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "7620 W 111th St",
            "city": "Palos Hills",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604652302",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in The Woodlands, TX

Sources for this page

Verify at the official NPI Registry.