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

Diane M Niesley, MSW

Individual provider Clinical Social Worker · NPI 1205997368

Diane M Niesley, MSW is a Clinical Social Worker in Lancaster, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

600H Eden Rd
Lancaster, PA 17601-4205
Phone: (717) 397-1400
Fax: (717) 509-4066
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 CW001788L (PA)

Record details

NPI number1205997368
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedDecember 13, 2006
Last updated in NPPESMarch 19, 2015

Other providers in Lancaster