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

MS. Rosemary Hartnett, LCSW

Individual provider Counselor · NPI 1144318205

MS. Rosemary Hartnett, LCSW is a Counselor in Exton, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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 →

Practice location Address checks out

47 Marchwood Rd Ste 1-C
Exton, PA 19341-1835
Phone: (610) 280-3959
Fax: (610) 280-9776
Show map & directions

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence CW015116 (PA)

Record details

NPI number1144318205
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedOctober 11, 2006
Last updated in NPPESAugust 31, 2009

Other providers in Exton