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

Dr. Robert John Klen, PHARMD

Individual provider Pharmacist · NPI 1659764728

Dr. Robert John Klen, PHARMD is a Pharmacist in Walnut Creek, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015
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

600 S Broadway
Walnut Creek, CA 94596-5208
Phone: (925) 945-3440
Fax: (925) 945-3645
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 39818 (CA)

Record details

NPI number1659764728
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD
Sole proprietorNo
NPI enumeratedMarch 12, 2015
Last updated in NPPESMarch 12, 2015

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