Kaiwen Sun, MD
Cardiovascular Disease Physician · Chula Vista, CA
Kaiwen Sun, MD is a cardiovascular disease physician with a practice address in Chula Vista, California, and NPI 1255891479, issued on Mar 22, 2019. Check the license (California A177099, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kaiwen Sun
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A177099 CA
Self-reported in NPPES; status is on the state search - Practice location
- 765 Medical Center CT Ste 211, Chula Vista, CA 91911
- Phone
- (619) 616-2100
- Enumerated
- Mar 22, 2019
- Record last updated
- Aug 4, 2026
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 765 Medical Center CT Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nadia Abelhad, M.D.Cardiovascular Disease Physician1619400801
- Daphne BintoPhysician Assistant1447060330
- Steven CarlsonClinical Cardiac Electrophysiology Physician1467602946
- Hulbert Do, M.D.Cardiovascular Disease Physician1679733760
- Samantha FerrisPhysician Assistant1760154868
- Kendall Fryer, PAPhysician Assistant1225903453
Verify Kaiwen Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
373 Medicare Part D claims for 77 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate49 claims
- Spironolactone45 claims
- Metoprolol Tartrate42 claims
- Atorvastatin Calcium35 claims
- Furosemide27 claims
- Amlodipine Besylate21 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.
Kaiwen Sun among 2,574 cardiovascular disease physician records in California
Kaiwen Sun, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 63% 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 California 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 California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Chula Vista → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Nadia Abelhad, M.D.Chula Vista, CA 919111619400801
- Philip Bajo, M.D.Chula Vista, CA 919111245242783
- Hulbert Do, M.D.Chula Vista, CA 919111679733760
- Benjamin Hourani, MDChula Vista, CA 919111174637466
- Joel Juarez-Uribe, M.D.Chula Vista, CA 919111912091067
- James Kim, MDChula Vista, CA 919111336378371
- Stuart Laiken, MDChula Vista, CA 919111891800074
- Meena Narayanan, MDChula Vista, CA 919111508170697
Common questions
What is Kaiwen Sun, MD's NPI number?
Kaiwen Sun, MD's National Provider Identifier (NPI) is 1255891479, issued on Mar 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kaiwen Sun, MD located?
The NPPES record lists a practice address at 765 Medical Center CT Ste 211, Chula Vista, CA, 91911. Phone: (619) 616-2100. Providers update this record themselves, so call before visiting.
How can I verify Kaiwen Sun, MD's license?
NPPES lists California license number A177099, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kaiwen Sun, MD prescribe under Medicare Part D?
In 2024, Kaiwen Sun, MD had 373 Medicare Part D claims for 77 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.