Bill Chan, PHARMD
Pharmacist · Rancho Cucamonga, CA
Bill Chan, PHARMD is a pharmacist with a practice address in Rancho Cucamonga, California, and NPI 1245509165, issued on Dec 21, 2011. Check the license (California 59785, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Bill Chan
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 59785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6400 Haven Ave, Rancho Cucamonga, CA 91737
- Phone
- (909) 941-3857
- Enumerated
- Dec 21, 2011
- Record last updated
- Dec 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 6400 Haven Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yuki Li, PHARM.D.Pharmacist1679943153
- Emily Truong, PHARMDPharmacist1184991481
Verify Bill Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average pharmacist in 2024
18 Medicare Part D claims for 16 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 94% of 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.
Bill Chan among 32,533 pharmacist records in California
Bill Chan, PHARMD 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 2011, is newer than 18% of them.
- NPI issued2011 · 18% of these records are older, 72% 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 updated2011 · 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).
134 pharmacist records list a practice address in Rancho Cucamonga
They are 134 of the 4,579 NPPES records with a practice address in Rancho Cucamonga, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Rancho Cucamonga → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Ashraf AlfredRancho Cucamonga, CA 917371598390437
- Ayah AzzawiRancho Cucamonga, CA 917371710850722
- Reham BakhetRancho Cucamonga, CA 917371285234120
- Jordan Bartolome, PHARMDAlta Loma, CA 917371295456846
- Sam HaddadAlta Loma, CA 917371801157292
- Yuki Li, PHARM.D.Rancho Cucamonga, CA 917371679943153
- James Perry, RPH.Rancho Cucamonga, CA 917371760857205
- Emily Truong, PHARMDRancho Cucamonga, CA 917371184991481
Common questions
What is Bill Chan, PHARMD's NPI number?
Bill Chan, PHARMD's National Provider Identifier (NPI) is 1245509165, issued on Dec 21, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Bill Chan, PHARMD located?
The NPPES record lists a practice address at 6400 Haven Ave, Rancho Cucamonga, CA, 91737. Phone: (909) 941-3857. Providers update this record themselves, so call before visiting.
How can I verify Bill Chan, PHARMD's license?
NPPES lists California license number 59785, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Bill Chan, PHARMD prescribe under Medicare Part D?
In 2024, Bill Chan, PHARMD had 18 Medicare Part D claims for 16 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.