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

Merle R Litowitz, PHD

Individual provider Clinical Psychologist · NPI 1992819098

Merle R Litowitz, PHD is a Clinical Psychologist in Vienna, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2006
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

380 Maple Ave W Ste 200
Vienna, VA 22180-5620
Phone: (703) 255-3400
Fax: (703) 255-3400
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 0810001645 (VA)

Record details

NPI number1992819098
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 18, 2006
Last updated in NPPESJuly 8, 2007
Mailing address380 Maple Ave W, Suite 200, Vienna, VA 22180-5620

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