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

Ann P Costello, LCSW

Individual provider Clinical Social Worker · NPI 1700199015

Ann P Costello, LCSW is a Clinical Social Worker in Portland, Maine. Licensed in Maine. Registered with an NPI since 2010.

Licensed in
ME
In the registry since
2010
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

25 Middle St
Portland, ME 04101-4869
Phone: (207) 653-7200
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LC9494 (ME)

Record details

NPI number1700199015
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 16, 2010
Last updated in NPPESJuly 16, 2010

Other providers in Portland