Wells Yu-Chien Chang
Pharmacist · Campbell, CA
Wells Yu-Chien Chang is a pharmacist with a practice address in Campbell, California, and NPI 1912522038, issued on Jun 15, 2020. Check the license (California 86265, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wells Yu-Chien Chang
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 86265 CA
Self-reported in NPPES; status is on the state search - Practice location
- 950 W Hamilton Ave, Campbell, CA 95008
- Phone
- (408) 871-1272
- Enumerated
- Jun 15, 2020
- Record last updated
- Jun 6, 2024
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 950 W Hamilton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thu BuiPharmacist1427729888
- David Stone, PHARMDPharmacist1225476526
- Yasmine WenPharmacist1992660310
Verify Wells Yu-Chien Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 86265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 94% of the cost of the top drugs
126 Medicare Part D claims for 119 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were over 99% of claims.
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.
- Arexvy45 claims
- Shingrix30 claims
- Boostrix Tdap26 claims
- Abrysvo18 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.
Wells Yu-Chien Chang among 32,533 pharmacist records in California
Wells Yu-Chien Chang 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 2020, is newer than 73% of them.
- NPI issued2020 · 73% of these records are older, 21% 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 updated2024 · 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).
27 pharmacist records list a practice address in Campbell
They are 27 of the 1,821 NPPES records with a practice address in Campbell, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Campbell → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Jennifer Hoang, PHARM.D.Campbell, CA 950081841387685
- Cora Joe, PHARMDCampbell, CA 950081245530393
- Bo KimCampbell, CA 950081104357045
- Stephanie Lam, PHARMACISTCampbell, CA 950081639600315
- Betty Nguyen, DPHCampbell, CA 950081487954558
- Dat Nguyen, PHARMACISTCampbell, CA 950081922375583
- Temilolu Ogunbodede, PHARM. D.Campbell, CA 950081790150605
- Hetal Patel, RPHCampbell, CA 950081154698751
Common questions
What is Wells Yu-Chien Chang's NPI number?
Wells Yu-Chien Chang's National Provider Identifier (NPI) is 1912522038, issued on Jun 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Wells Yu-Chien Chang located?
The NPPES record lists a practice address at 950 W Hamilton Ave, Campbell, CA, 95008. Phone: (408) 871-1272. Providers update this record themselves, so call before visiting.
How can I verify Wells Yu-Chien Chang's license?
NPPES lists California license number 86265, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Wells Yu-Chien Chang prescribe under Medicare Part D?
In 2024, Wells Yu-Chien Chang had 126 Medicare Part D claims for 119 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.