Collin Chan, PHARMD
Pharmacist · Oakland, CA
Collin Chan, PHARMD is a pharmacist with a practice address in Oakland, California, and NPI 1104377126, issued on Oct 14, 2016. Check the license (California 73994, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Collin Chan
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 73994 CA
18113-40 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Howe Street, Fabiola G-25, Oakland, CA 94611
- Phone
- (510) 752-1000
- Enumerated
- Oct 14, 2016
- Record last updated
- Dec 17, 2021 (not updated in 5 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 3801 Howe Street, Fabiola G-25
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luc Trinh, PHARMDAmbulatory Care Pharmacist1619635414
Verify Collin 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 73994Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39.3 times the Medicare Part D claims of the average pharmacist in 2024
4,679 Medicare Part D claims for 755 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Atorvastatin Calcium854 claims
- Metformin Hcl Er520 claims
- Jardiance414 claims
- Metformin Hcl399 claims
- Lisinopril334 claims
- Losartan Potassium292 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.
Collin Chan among 32,533 pharmacist records in California
Collin 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 2016, is newer than 47% of them.
- NPI issued2016 · 47% of these records are older, 47% 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 updated2021 · 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).
413 pharmacist records list a practice address in Oakland
They are 413 of the 18,558 NPPES records with a practice address in Oakland, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Oakland → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Megan Bamberger, PHARM.D.Oakland, CA 946111194810374
- Nora Chovick, PHARM.D.Oakland, CA 946111356430409
- Kristin Edelman, PHARMDOakland, CA 946111578651055
- Gillian Epstein, PHARM.DOakland, CA 946111225139231
- Alice Hwe, PHARM.DOakland, CA 946111417056961
- Ryan Ishimaru, PHARM. DOakland, CA 946111508951930
- Shital Kelshikar, PHARM.D.Oakland, CA 946111093800393
- John Lyckfors, PHARMD DOakland, CA 946111447347828
Common questions
What is Collin Chan, PHARMD's NPI number?
Collin Chan, PHARMD's National Provider Identifier (NPI) is 1104377126, issued on Oct 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Collin Chan, PHARMD located?
The NPPES record lists a practice address at 3801 Howe Street, Fabiola G-25, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.
How can I verify Collin Chan, PHARMD's license?
NPPES lists California license number 73994, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Collin Chan, PHARMD prescribe under Medicare Part D?
In 2024, Collin Chan, PHARMD had 4,679 Medicare Part D claims for 755 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.