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

Dr. Stephen Day Ellis, MSW, PHD

Individual provider Clinical Social Worker · NPI 1205993011

Dr. Stephen Day Ellis, MSW, PHD is a Clinical Social Worker in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

313 S 16th St
Philadelphia, PA 19102-4908
Phone: (215) 893-0646
Fax: (215) 732-8454
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 CW000931L (PA)

Record details

NPI number1205993011
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , PHD
Sole proprietorYes
NPI enumeratedJanuary 2, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Philadelphia