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

Stephanie Marie Merwin, PHD

Individual provider Clinical Psychologist · NPI 1902456924

Stephanie Marie Merwin, PHD is a Clinical Psychologist in Washington, District of Columbia. Licensed in District of Columbia, Maryland and Virginia. Registered with an NPI since 2019.

Licensed in
DC, MD, VA
In the registry since
2019
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

111 Michigan Ave NW
Washington, DC 20010-2916
Phone: (202) 476-2265
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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 PSY1001525 (DC)
Clinical Psychologist Taxonomy 103TC0700X · Licence 06121 (MD)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0810006506 (VA)

Record details

NPI number1902456924
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 12, 2019
Last updated in NPPESOctober 28, 2020
Certification dateOctober 28, 2020

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