USA Emergency Centers - San Marcos

Primary specialty

Emergency Care Clinic/CenterTaxonomy code 261QE0002X

Legal business name

USA EMERGENCY CENTERS - SAN MARCOS

Doing business as

Ally Medical Emergency Room San Marcos

Practice address

2810 S I-35 South Frontage Rd
San Marcos, TX 78666

Phone

(512) 451-0911

NPI assigned

May 1, 2025

Organization subpart

No

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

Authorized official

Name

Izaan Roos

Title

VP of Operations

Phone

(512) 451-0911

Specialties & licenses 1

Addresses

Other names 1

• Ally Medical Emergency Room San Marcos Doing business as

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

{
    "created_epoch": "1746057600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1746057600000",
    "number": "1851180400",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5525 BURNET RD STE A",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787561646",
            "telephone_number": "512-451-0911"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2810 S I-35 SOUTH FRONTAGE RD",
            "city": "SAN MARCOS",
            "state": "TX",
            "postal_code": "78666",
            "telephone_number": "512-451-0911"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "USA EMERGENCY CENTERS - SAN MARCOS",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-05-01",
        "last_updated": "2025-05-01",
        "certification_date": "2025-04-23",
        "status": "A",
        "authorized_official_last_name": "ROOS",
        "authorized_official_first_name": "IZAAN",
        "authorized_official_title_or_position": "VP OF OPERATIONS",
        "authorized_official_telephone_number": "512-451-0911"
    },
    "taxonomies": [
        {
            "code": "261QE0002X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Emergency Care",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Ally Medical Emergency Room San Marcos",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Laura Tsu
• Colton Trey Tuma, OTR/L
• Suzanne Michelle Turner, O.D.
• Ucg Central Texas Holdings LLC
• Joshua Urrutia, MS
• Jessica Uselding, LAT, ATC
• Alyssa Valdez
• Bethany Valencia, FNP
• Michael Valenzuela, B.S., ATC, LAT
• Van de Walle Family Dentistry

• Emergency Care Clinic/Center in San Marcos, TX
• Providers in San Marcos, TX by specialty
• Emergency Care Clinic/Center in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.