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

Dr. Mark Samuel Epstein, PHARMD

Individual provider Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · NPI 1245561703

Dr. Mark Samuel Epstein, PHARMD is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Washington, District of Columbia. Licensed in California, District of Columbia, Maryland and Virginia. Registered with an NPI since 2010.

Licensed in
CA, DC, MD, VA
In the registry since
2010
Specialties on file
4
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2301 M St NW
Washington, DC 20037-1427
Phone: (202) 419-6367
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (primary) Taxonomy 1835P0018X · Licence 62919 (CA)
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Taxonomy 1835P0018X · Licence 19222 (MD)
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Taxonomy 1835P0018X · Licence PH100001973 (DC)
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Taxonomy 1835P0018X · Licence 0202214060 (VA)

Record details

NPI number1245561703
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD
Sole proprietorNo
NPI enumeratedJanuary 22, 2010
Last updated in NPPESJune 14, 2016

Other providers in Washington