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
Mailing address20901 Devonshire St, Chatsworth, CA 91311-2313

Other providers in Chatsworth