NPPES file of Aug 9, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 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
Record last updated
Jan 29, 2015 (not updated in 11 years: call before relying on the address or phone)
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.
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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

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Most of these Medicare Part D claims are vaccines, 94% of the cost of the top drugs

88 Medicare Part D claims for 74 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Si Yun Wang88
  2. Specialty average119

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  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.

Si Yun Wang among 32,533 pharmacist records in California

Si Yun Wang is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 41% of them.

  • NPI issued2015 · 41% of these records are older, 53% newer
  • In a Medicare fileYes · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2015 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

893 pharmacist records list a practice address in San Jose

They are 893 of the 20,925 NPPES records with a practice address in San Jose, and 32,533 pharmacist records in California.

The 8 pharmacist records with the nearest ZIP codes

  1. Rebecca Alfonso, PHARMDSan Jose, CA 951291215222526
  2. Mandeep Hundal, PHARMDSan Jose, CA 951291326317116
  3. Suree Komonrujinunt, RPHSan Jose, CA 951291376845917
  4. Jaspal KumarSan Jose, CA 951291003171752
  5. Ainah Lee, R.PH.San Jose, CA 951291043634884
  6. Ana Miladinovic, RPHSan Jose, CA 951291992939946
  7. Nhatanh NgoSan Jose, CA 951291114157682
  8. Mrunalben Patel, RPHSan Jose, CA 951291245515824

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 119. 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.