Individual provider Active NPI

Andrew Shichen Sun, MD

  • Cardiovascular Disease Physician
  • Austin, TX
National Provider Identifier
1699235473
Registry record updated Jun 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
T6725 Issued in TX
Practice address
4316 James Casey St.
BLDG a, C, E
Austin, TX 78745
Phone
(512) 623-5300
Fax
(512) 623-5399
NPI assigned
Mar 20, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 12, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Cardiovascular Disease Physician 207RC0000X T6725 TX Primary

Addresses

Primary practice location

4316 James Casey St.
BLDG a, C, E
Austin, TX 78745

Mailing address

1 Baylor PLZ
Houston, TX 77030-3411

Other practice location 1

1 Baylor Plz
Houston, TX 77030-3411
Phone (832) 355-3792

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine, Interventional Cardiology
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

2000 Health Park Dr
Brentwood, TN 37027-4692

Hospital & facility affiliations

National Provider Directory

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

Interoperability endpoints

  • Direct secure messaging: asun91594@direct.phhs.org

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": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781222400000",
    "number": "1699235473",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 BAYLOR PLZ",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770303411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4316 JAMES CASEY ST.",
            "address_2": "BLDG A, C, E",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "78745",
            "telephone_number": "512-623-5300",
            "fax_number": "512-623-5399"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Baylor Plz",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770303411",
            "country_code": "US",
            "telephone_number": "832-355-3792",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUN",
        "first_name": "ANDREW",
        "middle_name": "SHICHEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-20",
        "last_updated": "2026-06-12",
        "certification_date": "2026-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "T6725",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.