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

Dr. Douglas Brian Fagen, PHD

Individual provider Clinical Psychologist · NPI 1154777803

Dr. Douglas Brian Fagen, PHD is a Clinical Psychologist in Washington, District of Columbia. Licensed in District of Columbia. Registered with an NPI since 2016.

Licensed in
DC
In the registry since
2016
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

4759 Reservoir Rd NW
Washington, DC 20007-1921
Phone: (202) 944-3071
Fax: (202) 454-2292
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1000067 (DC)

Record details

NPI number1154777803
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 12, 2016
Last updated in NPPESMay 12, 2016

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