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

MS. Mary McKay Duncan, LCSW

Individual provider Clinical Social Worker · NPI 1205270378

MS. Mary McKay Duncan, LCSW is a Clinical Social Worker in Austin, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2013
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1706 Nueces
Austin, TX 78701
Phone: (512) 472-5640
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 53789 (TX)

Record details

NPI number1205270378
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 19, 2013
Last updated in NPPESApril 19, 2013

Other providers in Austin