Cindy Hsinten Tsai, M.D.
Internal Medicine Physician · San Diego, CA
Cindy Hsinten Tsai, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1528472339, issued on Jun 19, 2014. Check the license (California A142534, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cindy Hsinten Tsai
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A142534 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1230 Columbia St Ste 10, San Diego, CA 92101
- Phone
- (619) 232-3500
- Enumerated
- Jun 19, 2014
- Record last updated
- Jul 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Cindy Hsinten Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A142534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
51 Medicare Part D claims for 36 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Cindy Hsinten Tsai among 17,696 internal medicine physician records in California
Cindy Hsinten Tsai, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alicia Benjamin, M.D.San Diego, CA 921011790793040
- John Chau, M.D.San Diego, CA 921011740375070
- Michael Duffy, DOSan Diego, CA 921011851399802
- Brij Gupta, M.D.San Diego, CA 921011174532543
- William Harless, M.D.San Diego, CA 921011366452823
- Paul Hazelbaker, DOSan Diego, CA 921011831106103
- Mark Jabro, M.D.San Diego, CA 921011326058330
- Wayne Kurisu, M.D.San Diego, CA 921011881606309
Common questions
What is Cindy Hsinten Tsai, M.D.'s NPI number?
Cindy Hsinten Tsai, M.D.'s National Provider Identifier (NPI) is 1528472339, issued on Jun 19, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Cindy Hsinten Tsai, M.D. located?
The NPPES record lists a practice address at 1230 Columbia St Ste 10, San Diego, CA, 92101. Phone: (619) 232-3500. Providers update this record themselves, so call before visiting.
How can I verify Cindy Hsinten Tsai, M.D.'s license?
NPPES lists California license number A142534, 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 Cindy Hsinten Tsai, M.D. prescribe under Medicare Part D?
In 2024, Cindy Hsinten Tsai, M.D. had 51 Medicare Part D claims for 36 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.