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

John Jankowski, LICSW

Individual provider Clinical Social Worker · NPI 1790129807

John Jankowski, LICSW is a Clinical Social Worker in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2013
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

3401 12th St NE Ste #29234
Washington, DC 20017-1144
Phone: (703) 216-0544
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC50079677 (DC)

Record details

NPI number1790129807
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedApril 19, 2013
Last updated in NPPESJune 27, 2014

Other providers in Washington