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

Individual provider Pharmacist · NPI 1538855671

Karen Dianne Siazon, RPH is a Pharmacist in Lake Forest, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2023
What do these letters mean?
RPH — Registered Pharmacist
A pharmacist licensed by a state board.

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Practice location Address checks out

26762 Portola Pkwy
Lake Forest, CA 92610-1712
Phone: (949) 454-0327
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 86644 (CA)

Record details

NPI number1538855671
Entity typeIndividual (Type 1)
GenderFemale
Credentials RPH
Sole proprietorYes
NPI enumeratedApril 12, 2023
Last updated in NPPESApril 12, 2023
Certification dateFebruary 24, 2023

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