Registry data as of Aug 27, 2026

Si Yun Wang

Pharmacist · San Jose, CA

Si Yun Wang is a pharmacist with a practice address in San Jose, California, and NPI 1841680873, issued on Jan 29, 2015. Check the license (California 71804, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1841680873
Name
Si Yun Wang
Primary taxonomy
Pharmacist 183500000X
License number
71804 CA
Self-reported in NPPES; status is on the state search
Practice location
6164 Bollinger RD, San Jose, CA 95129
Phone
(408) 253-5257
Enumerated
Jan 29, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 6164 Bollinger RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Hwang, PHARMDPharmacist1578977377
  2. Ana Miladinovic, RPHPharmacist1992939946
  3. Nhatanh NgoPharmacist1114157682

Verify Si Yun Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 71804
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

31% fewer Medicare Part D claims than the average pharmacist in 2024

88 Medicare Part D claims for 74 beneficiaries, against an average of 127 among the 28,933 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Si Yun Wang88
  2. Specialty average127

Most prescribed

  1. Arexvy36 claims
  2. Shingrix30 claims
  3. Boostrix Tdap14 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.

895 pharmacist records list a San Jose practice address

They are 895 of the 20,925 NPPES records with a San Jose practice address, and 32,698 pharmacist records in California.

Other pharmacist records in California

  1. Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
  2. Gayatri AachiLivermore, CA1235660754
  3. Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
  4. Mahshid Aalam, PHARMDLos Angeles, CA1659086155
  5. Jaleh AaliiveliSan Ramon, CA1336629963
  6. Cassi Aarvig, RPHTracy, CA1023679941
  7. Meara Michi AbadOrange, CA1750181178
  8. Nader Abadier, RPHFontana, CA1326255647
  9. Samia Abadier, RPHFontana, CA1548742836
  10. Sandy Abadir, RPHChino Hills, CA1811644412

Common questions

What is Si Yun Wang's NPI number?

Si Yun Wang's National Provider Identifier (NPI) is 1841680873, issued on Jan 29, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Si Yun Wang located?

The NPPES record lists a practice address at 6164 Bollinger RD, San Jose, CA, 95129. Phone: (408) 253-5257. Providers update this record themselves, so call before visiting.

How can I verify Si Yun Wang's license?

NPPES lists California license number 71804, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Si Yun Wang prescribe under Medicare Part D?

In 2024, Si Yun Wang had 88 Medicare Part D claims for 74 beneficiaries; the average among pharmacist prescribers was 127. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.