Andrew Shichen Sun, MD
Cardiovascular Disease Physician · Austin, TX
Andrew Shichen Sun, MD is a cardiovascular disease physician with a practice address in Austin, Texas, and NPI 1699235473, issued on Mar 20, 2019. Check the license (Texas T6725, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Shichen Sun
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- T6725 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4316 James Casey St., Austin, TX 78745
- Phone
- (512) 623-5300
- Enumerated
- Mar 20, 2019
- Record last updated
- Jun 12, 2026
- Fax
- (512) 623-5399
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,603 in Texas → Look up another NPI →
Verify Andrew Shichen Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T6725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
22 Medicare Part D claims for 15 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clopidogrel19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $7,349.41
90 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Andrew Shichen Sun among 1,603 cardiovascular disease physician records in Texas
Andrew Shichen Sun, MD is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Texas
There are 1,603 cardiovascular disease physician records in Texas.
All 1,603 in Texas → Every provider in Austin → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- John Dieck, M.D.Austin, TX 787451427059310
- Eric Frischhertz, M.D.Austin, TX 787451982658589
- Kevin Kurian, M.D.Austin, TX 787451245689025
- Vinh Nguyen, D.O.Austin, TX 787451306886387
- Norman Risinger, M.D.Austin, TX 787451063406692
- Stanley Wang, M.D. J.D. M.P.H.Austin, TX 787451962592071
- Gary Foster, M.D.West Lake Hills, TX 787461790760288
- Jose Mejia, MDWest Lake Hills, TX 787461134179567
Common questions
What is Andrew Shichen Sun, MD's NPI number?
Andrew Shichen Sun, MD's National Provider Identifier (NPI) is 1699235473, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Shichen Sun, MD located?
The NPPES record lists a practice address at 4316 James Casey St., Austin, TX, 78745. Phone: (512) 623-5300. Providers update this record themselves, so call before visiting.
How can I verify Andrew Shichen Sun, MD's license?
NPPES lists Texas license number T6725, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Shichen Sun, MD prescribe under Medicare Part D?
In 2024, Andrew Shichen Sun, MD had 22 Medicare Part D claims for 15 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.