Sun-Yin Chan, M.D.
Specialist · San Jose, CA
Sun-Yin Chan, M.D. is a specialist with a practice address in San Jose, California, and NPI 1275636227, issued on Sep 6, 2006. Check the license (California G59752, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sun-Yin Chan
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G59752 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2060 Forest Ave Ste 100, San Jose, CA 95128
- Phone
- (408) 278-1180
- Enumerated
- Sep 6, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (408) 278-1938
- Medicare enrollment
- Enrolled (PECOS I20120103000363); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 2060 Forest Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Chow, MDOrthopaedic Surgery Physician1306922810
Verify Sun-Yin Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G59752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average specialist in 2024
67 Medicare Part D claims for 41 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 33 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen20 claims
- Acetaminophen-Codeine13 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.
Sun-Yin Chan among 5,749 specialist records in California
Sun-Yin Chan, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1977 · median 1989 among the 1,075 with a school on file
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in San Jose → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Charles Aring, M.D.San Jose, CA 951281295751162
- Ella Benoza, M.D.San Jose, CA 951281457392219
- Hashem Farr, MDSan Jose, CA 951281336164375
- Andrew Koo, M.D.San Jose, CA 951281255363677
- Jennifer Maw, MDSan Jose, CA 951281609989417
- Donald Prolo, M.D.San Jose, CA 951281467420976
- Jay Raju, MDSan Jose, CA 951281699706556
- John Rennick, M.D.San Jose, CA 951281699717298
Common questions
What is Sun-Yin Chan, M.D.'s NPI number?
Sun-Yin Chan, M.D.'s National Provider Identifier (NPI) is 1275636227, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sun-Yin Chan, M.D. located?
The NPPES record lists a practice address at 2060 Forest Ave Ste 100, San Jose, CA, 95128. Phone: (408) 278-1180. Providers update this record themselves, so call before visiting.
How can I verify Sun-Yin Chan, M.D.'s license?
NPPES lists California license number G59752, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sun-Yin Chan, M.D. prescribe under Medicare Part D?
In 2024, Sun-Yin Chan, M.D. had 67 Medicare Part D claims for 41 beneficiaries; the average among specialist prescribers was 1,380. 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.