Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Tan DO, PHARMD, BCPS

Individual provider Ambulatory Care Pharmacist · NPI 1699446252

Dr. William Tan DO, PHARMD, BCPS is an Ambulatory Care Pharmacist in Oakland, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2021
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.
BCPS — Board Certified Pharmacotherapy Specialist
A pharmacist with advanced certification in drug therapy.

See every abbreviation used in this directory →

Practice location Address checks out

3772 Howe St Ground Fl G30
Oakland, CA 94611
Phone: (510) 752-6684
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ambulatory Care Pharmacist (primary) Taxonomy 1835P2201X · Licence 74057 (CA)

Record details

NPI number1699446252
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD , BCPS
Sole proprietorYes
NPI enumeratedSeptember 23, 2021
Last updated in NPPESSeptember 23, 2021
Certification dateSeptember 7, 2021
Mailing address123 Uptown Cir, Oakland, CA 94607-2752

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