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

Individual provider Clinical Psychologist · NPI 1255383618

Dr. Ruth Wittersgreen, PHD is a Clinical Psychologist in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia and Virginia.

Licensed in
DC, VA
In the registry since
2006
Specialties on file
2
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

1666 32nd St NW #1
Washington, DC 20007
Phone: (202) 407-3042
Fax: (202) 333-2525
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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 PSY1000580 (DC)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0810003439 (VA)

Record details

NPI number1255383618
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 16, 2006
Last updated in NPPESJuly 21, 2022

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