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

Mr. Joseph Frank Osiecki, LICSW

Individual provider Clinical Social Worker · NPI 1972146330

Mr. Joseph Frank Osiecki, LICSW is a Clinical Social Worker in Oakton, Virginia. Practices as a sole proprietor. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2019
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

11814 Wayland St
Oakton, VA 22124-2228
Phone: (703) 855-9254
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 LC50080650 (DC)

Record details

NPI number1972146330
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedOctober 17, 2019
Last updated in NPPESOctober 17, 2019

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