Anna Elizabeth O'Connor, MD

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

V7268 Issued in TX

Practice address

303 E Main St
Round Rock, TX 78664-5246

Phone

(512) 732-2774

Fax

(512) 344-9221

NPI assigned

Apr 16, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

Allergy/Immunology

Education

University of Mississippi School of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Greater Austin Allergy, Asthma and Immunology PAGroup PAC ID 3274890512, 10 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Greater Austin Allergy, Asthma & Immunology PA

  • Allergy & Immunology Physician
  • Round Rock, TX
  • NPI 1275978306
  Medicare reassignment Care Compare group NPD
• University of Alabama Health Services Foundation, PC.

  • Multi-Specialty Clinic/Center
  • Birmingham, AL
  • NPI 1093768723
  NPD (past)

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

{
    "created_epoch": "1586995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747267200000",
    "number": "1053931345",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "303 E MAIN ST",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786645246",
            "telephone_number": "512-732-2774",
            "fax_number": "512-344-9221"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "303 E MAIN ST",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786645246",
            "telephone_number": "512-732-2774",
            "fax_number": "512-344-9221"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5656 Bee Caves Rd Ste G201",
            "address_purpose": "LOCATION",
            "city": "West Lake Hills",
            "state": "TX",
            "postal_code": "787465236",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3944 Ranch Road 620 S Ste 202",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787387166",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11762 Jollyville Rd",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787593937",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3101 Highway 71 E Ste 210",
            "address_purpose": "LOCATION",
            "city": "Bastrop",
            "state": "TX",
            "postal_code": "786025157",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Sydney Blvd",
            "address_purpose": "LOCATION",
            "city": "Thorndale",
            "state": "TX",
            "postal_code": "765775432",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5625 Eiger Rd Ste 125",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787358979",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1640 Highland Falls Dr Ste 601",
            "address_purpose": "LOCATION",
            "city": "Leander",
            "state": "TX",
            "postal_code": "786414842",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6611 River Place Blvd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787301163",
            "country_code": "US",
            "telephone_number": "512-732-2774",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "ANNA",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-16",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "TX",
            "license": "V7268",
            "primary": false
        },
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "TX",
            "license": "V7268",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• O. E. Ezekoye, MD, PA
• Laura Ann O'Banion, PHARMD
• Whitney O'Baugh, LPC / LCDC
• Breeze O'Briant, BCBA
• Lauren O'Brien, LPC
• Caitlin O'Connor, CRNA
• Christopher James O'Connor, PA
• Lara O'Dell
• Adriane A O'Hara, PT
• Tiarah O'Kelley

• Allergy & Immunology Physician in Round Rock, TX
• Providers in Round Rock, TX by specialty
• Allergy & Immunology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 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.

Verify at the official NPI Registry.