IndividualActive
Wilbur Quan, PHARM.D
NPI 1538564604 · Pharmacist · Ontario, CA
Wilbur Quan, PHARM.D is a Pharmacist provider in Ontario, CA (NPI 1538564604).
Provider details
- NPI number
- 1538564604
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25104 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1670 E 4th St
Ontario, CA 91764-2638
Phone: (909) 984-4387
Fax: (909) 984-6552
Approximate (ZIP-level) locationGet directions
Mailing address
1670 E 4th St
Ontario, CA 91764-2638
Registry dates
- Enumerated
- 2014-10-30
- Last updated
- 2014-10-30
Frequently asked questions
- What is Wilbur Quan's NPI number?
- Wilbur Quan's National Provider Identifier (NPI) is 1538564604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wilbur Quan's specialty?
- Wilbur Quan is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Wilbur Quan located?
- Wilbur Quan's practice location on file with NPPES is 1670 E 4th St, Ontario, CA 91764-2638.
- What is Wilbur Quan's phone number?
- The practice phone number listed in the NPPES registry for Wilbur Quan is (909) 984-4387.
- Is Wilbur Quan's NPI active?
- Yes — Wilbur Quan's NPI (1538564604) is active in the NPPES registry as of the last update on 2014-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.