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

Mr. Dennis Clayton Witherwax, RPH

Individual provider Pharmacist · NPI 1528187630

Mr. Dennis Clayton Witherwax, RPH is a Pharmacist in Anaheim, California. Licensed in California and Nevada. Registered with an NPI since 2007.

Licensed in
CA, NV
In the registry since
2007
Specialties on file
2
What do these letters mean?
RPH — Registered Pharmacist
A pharmacist licensed by a state board.

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Practice location Address checks out

1120 W La Palma Ave Ste 1
Anaheim, CA 92801-2801
Phone: (714) 776-2800
Fax: (714) 776-2118
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 25141 (CA)
Pharmacist Taxonomy 183500000X · Licence 3996 (NV)

Record details

NPI number1528187630
Entity typeIndividual (Type 1)
GenderMale
Credentials RPH
Sole proprietorNo
NPI enumeratedMarch 28, 2007
Last updated in NPPESMarch 30, 2015

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