Active NPI
Andrew Shichen Sun, MD
- Cardiovascular Disease Physician
- Austin, TX
National Provider Identifier
1699235473
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- T6725
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (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
- asun91594@direct.phhs.org
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Houston, TX
- NPI 1184622847
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 2026; 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.