Individual provider Active NPI

Umar Siddiqui, DO

  • Hospitalist Physician
  • San Antonio, TX
National Provider Identifier
1770221756
Registry record updated May 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
V8400 Issued in TX
Practice address
4502 Medical Dr
San Antonio, TX 78229-4402
Phone
(210) 358-3555
NPI assigned
May 20, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 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 V8400 TX
Hospitalist Physician 208M00000X V8400 TX Primary

Addresses

Primary practice location

4502 Medical Dr
San Antonio, TX 78229-4402

Mailing address

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-3555

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
I20250512001222 TX Practitioner - HospitalistPractitioner - Internal Medicine 0840717948 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-4000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
V8400TXMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Texas Health Science Center at San Antonio Internal Medicine CurrentSince Jul 1, 2025 Accepting new patients
The University of Texas Health Science Center at San Antonio CurrentSince Jul 1, 2025 Accepting new patients

Locations

4502 Medical Dr
San Antonio, TX 78229
Phone (210) 358-3555

7703 Floyd Curl Dr
#7871
San Antonio, TX 78229

7703 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 450-3700

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 1

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": "1653004800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746576000000",
    "number": "1770221756",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-3555"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-3555"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIDDIQUI",
        "first_name": "UMAR",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-20",
        "last_updated": "2025-05-07",
        "certification_date": "2025-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "V8400",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "V8400",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.