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

MS. Maria Teresa Illingworth, MSW

Individual provider Social Worker · NPI 1952541138

MS. Maria Teresa Illingworth, MSW is a Social Worker in Washington, District of Columbia. Registered with an NPI since 2009.

In the registry since
2009
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

50 Irving St NW
Washington, DC 20422-0001
Phone: (202) 745-8000
Fax: (202) 745-8169
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

Record details

NPI number1952541138
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedFebruary 27, 2009
Last updated in NPPESFebruary 27, 2009

Other providers in Washington