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

Mrs. Danielle Dreyfuss Brennan, LCSW, MSW

Individual provider Clinical Social Worker · NPI 1932350188

Mrs. Danielle Dreyfuss Brennan, LCSW, MSW is a Clinical Social Worker in Devon, Pennsylvania. Practices as a sole proprietor and works from 2 locations. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2008
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

237 W Lancaster Ave Ste 231
Devon, PA 19333-1592
Phone: (610) 688-1424
Show map & directions

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

Additional practice locations (1)

  • 30 S Valley Rd Ste 207, Paoli, PA 19301-1473 — (215) 995-5182

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CW015541 (PA)

Record details

NPI number1932350188
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , MSW
Sole proprietorYes
NPI enumeratedOctober 7, 2008
Last updated in NPPESMay 2, 2021
Certification dateMay 2, 2021

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