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

Elizabeth Ann Derr, LISW

Individual provider Clinical Social Worker · NPI 1831852052

Elizabeth Ann Derr, LISW is a Clinical Social Worker in Waterloo, Iowa. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2021
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

See every abbreviation used in this directory →

Practice location Address checks out

945 Tower Park Dr
Waterloo, IA 50701-9098
Phone: (319) 235-1230
Fax: (319) 235-1229
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 007091 (IA)

Record details

NPI number1831852052
Entity typeIndividual (Type 1)
GenderFemale
Credentials LISW
Sole proprietorYes
NPI enumeratedOctober 14, 2021
Last updated in NPPESOctober 14, 2021
Certification dateOctober 14, 2021

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