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

Dr. William R Mao, PHARMD

Individual provider Pharmacist · NPI 1902979297

Dr. William R Mao, PHARMD is a Pharmacist in Fontana, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.

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Practice location Address checks out

9985 Sierra Ave
Fontana, CA 92335-6720
Phone: (909) 427-7364
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 55067 (CA)

Record details

NPI number1902979297
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD
Sole proprietorNo
NPI enumeratedNovember 16, 2006
Last updated in NPPESJuly 8, 2007

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