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

Michael Erwin, LSW

Individual provider Social Worker · NPI 1841563483

Michael Erwin, LSW is a Social Worker in Philadelphia, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2012
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4040 Market St Ste 320
Philadelphia, PA 19104-3003
Phone: (215) 390-1500
Fax: (215) 382-1099
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

Social Worker (primary) Taxonomy 104100000X · Licence SW128914 (PA)

Record details

NPI number1841563483
Entity typeIndividual (Type 1)
GenderMale
Credentials LSW
Sole proprietorYes
NPI enumeratedFebruary 13, 2012
Last updated in NPPESFebruary 13, 2012

Other providers in Philadelphia