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

Marc Stephen Feldman, PHD

Individual provider Clinical Psychologist · NPI 1639660913

Marc Stephen Feldman, PHD is a Clinical Psychologist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2018
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1054 31st St NW Ste 500
Washington, DC 20007-6038
Phone: (202) 338-0880
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 78900001074 (DC)

Record details

NPI number1639660913
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 23, 2018
Last updated in NPPESMay 23, 2018

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