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

Gerald Siazon, PHARMD

Individual provider Pharmacist · NPI 1689956039

Gerald Siazon, PHARMD is a Pharmacist in Chatsworth, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2011
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.

See every abbreviation used in this directory →

Practice location Address checks out

20901 Devonshire St
Chatsworth, CA 91311-2313
Phone: (818) 341-4339
Fax: (818) 341-4713
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 62285 (CA)

Record details

NPI number1689956039
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD
Sole proprietorYes
NPI enumeratedSeptember 12, 2011
Last updated in NPPESSeptember 12, 2011

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