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

Dr. Katherine J. Williams, PHD

Individual provider Clinical Psychologist · NPI 1447583000

Dr. Katherine J. Williams, PHD is a Clinical Psychologist in Falls Church, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2009
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

109 Park Washington Ct
Falls Church, VA 22046-4519
Phone: (703) 533-5825
Fax: (703) 533-8431
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 0810002083 (VA)

Record details

NPI number1447583000
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 15, 2009
Last updated in NPPESSeptember 15, 2009
Mailing address109 Park Washington Ct, Falls Church, VA 22046-4519

Other providers in Falls Church