Wilbur Quan, PHARM.D
Pharmacist · Ontario, CA
Wilbur Quan, PHARM.D is a pharmacist with a practice address in Ontario, California, and NPI 1538564604, issued on Oct 30, 2014. Check the license (California 25104, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Wilbur Quan
- Credential
- PHARM.D
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 25104 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1670 E 4TH St, Ontario, CA 91764
- Phone
- (909) 984-4387
- Enumerated
- Oct 30, 2014
- Record last updated
- Oct 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 984-6552
- Entity
- Type 1 · individual
Also registered at 1670 E 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zeina FaddoulPharmacist1912859612
- Nikita PatelPharmacist1669337937
- Catherine Prieto-Quan, PHARM.D.Pharmacist1588090328
- Craig Willey, RPHPharmacist1063849511
Verify Wilbur Quan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 25104Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88 pharmacist records list a practice address in Ontario
They are 88 of the 5,375 NPPES records with a practice address in Ontario, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 88 in Ontario → All 32,533 in California → Every provider in Ontario →
Other pharmacist records in California
- Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
- Gayatri AachiLivermore, CA1235660754
- Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
- Mahshid Aalam, PHARMDLos Angeles, CA1659086155
- Jaleh AaliiveliSan Ramon, CA1336629963
- Cassi Aarvig, RPHTracy, CA1023679941
- Meara Michi AbadOrange, CA1750181178
- Nader Abadier, RPHFontana, CA1326255647
- Samia Abadier, RPHFontana, CA1548742836
- Sandy Abadir, RPHChino Hills, CA1811644412
Common questions
What is Wilbur Quan, PHARM.D's NPI number?
Wilbur Quan, PHARM.D's National Provider Identifier (NPI) is 1538564604, issued on Oct 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Wilbur Quan, PHARM.D located?
The NPPES record lists a practice address at 1670 E 4TH St, Ontario, CA, 91764. Phone: (909) 984-4387. Providers update this record themselves, so call before visiting.
How can I verify Wilbur Quan, PHARM.D's license?
NPPES lists California license number 25104, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.