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

Mr. William Isenstein, RPH

Individual provider Pharmacist · NPI 1114201985

Mr. William Isenstein, RPH is a Pharmacist in Gaithersburg, Maryland. Licensed in Maryland. Registered with an NPI since 2011.

Licensed in
MD
In the registry since
2011
What do these letters mean?
RPH — Registered Pharmacist
A pharmacist licensed by a state board.

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Practice location Address checks out

880 Russell Ave
Gaithersburg, MD 20879-3506
Phone: (301) 556-1960
Fax: (301) 556-1967
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 09704 (MD)

Record details

NPI number1114201985
Entity typeIndividual (Type 1)
GenderMale
Credentials RPH
Sole proprietorNo
NPI enumeratedSeptember 28, 2011
Last updated in NPPESSeptember 28, 2011
Mailing address880 Russell Ave, Gaithersburg, MD 20879-3506

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