Apex ER II, LLC

Primary specialty

Emergency Care Clinic/CenterTaxonomy code 261QE0002X

Legal business name

APEX ER II, LLC

Doing business as

Apex ER - 24/7 Emergency Room

Practice address

3607 Oak Lawn Ave Ste 100
Dallas, TX 75219-4786

Phone

(214) 814-2739

NPI assigned

Oct 19, 2026

Last updated

Oct 21, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Gregory G Yu, MD, PHARMD, MBA, MPH

Title

Founder and Ceo

Phone

(832) 563-5694

Specialties & licenses 1

Addresses

Other names 1

• Apex ER - 24/7 Emergency Room Doing business as

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

{
    "created_epoch": "1792368000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1792540800000",
    "number": "1265338016",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9110 N LOOP 1604 W STE 104-233",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782493232"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3607 OAK LAWN AVE STE 100",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752194786",
            "telephone_number": "214-814-2739"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "APEX ER II, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-19",
        "last_updated": "2026-10-21",
        "certification_date": "2026-10-21",
        "status": "A",
        "authorized_official_last_name": "YU",
        "authorized_official_first_name": "GREGORY",
        "authorized_official_middle_name": "G",
        "authorized_official_title_or_position": "FOUNDER AND CEO",
        "authorized_official_telephone_number": "832-563-5694",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD, PHARMD, MBA, MPH"
    },
    "taxonomies": [
        {
            "code": "261QE0002X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Emergency Care",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Apex ER - 24/7 Emergency Room",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Apex Anesthesia PA
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• Apex Blue Health LLC
• Apex Dermatopathology LLC
• Apex DX Lab, LLC
• Apex Medical DME LLC
• Apex Pharma
• Apex Pharma LLC (Apex Pharmacy)
• Apex Revenues
• Apex Ultra MRI GP LLC

• Emergency Care Clinic/Center in Dallas, TX
• Providers in Dallas, 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 Oct 21, 2026; 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.