William E McCarron, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

D4218 Issued in TX

Practice address

3801 N Lamar Blvd
Ste 300, Austin Heart PA
Austin, TX 78756-4080

Phone

(512) 206-3600

Fax

(512) 454-2581

NPI assigned

Aug 2, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 6

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• St Davids Heart & Vascular, PLLC

  • Cardiovascular Disease Physician
  • Austin, TX
  • NPI 1700887700
  NPD (past)

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

{
    "created_epoch": "1122940800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1063413953",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4189",
            "address_2": "AUSTIN HEART",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787654189",
            "telephone_number": "512-206-4300",
            "fax_number": "512-206-4350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3801 N LAMAR BLVD",
            "address_2": "STE 300, AUSTIN HEART PA",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787564080",
            "telephone_number": "512-206-3600",
            "fax_number": "512-454-2581"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCARRON",
        "first_name": "WILLIAM",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "D4218",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GREAT WEST",
            "identifier": "048109",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CHAMPUS / TRICARE",
            "identifier": "78756-A018",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "USA MANAGED CARE",
            "identifier": "122435",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA / TRS",
            "identifier": "4126287",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC / BS",
            "identifier": "829045",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FIRST HEALTH",
            "identifier": "56082",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Hannah McCampbell, BCBA
• Julie Osofsky McCandless, LPC
• James Beebe McCann, RPH
• Leigh McCann
• Eischen McCarley, DNP, CRNA
• Gabrielle McCart, FNP-C
• Carson McCarthy, LPC
• Clare McCarthy, LMT
• Kristina Marie McCarthy, MCN, RD, LD
• Lana McCarthy, RD

• Cardiovascular Disease Physician in Austin, TX
• Providers in Austin, TX by specialty
• Cardiovascular Disease Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.