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

Robert Riddler, LCSW

Individual provider Clinical Social Worker · NPI 1750838728

Robert Riddler, LCSW is a Clinical Social Worker in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2016
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

3821 Lancaster Pike
Wilmington, DE 19805-1512
Phone: (302) 454-7520
Fax: (302) 454-1078
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 Q10001482 (DE)

Record details

NPI number1750838728
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 7, 2016
Last updated in NPPESSeptember 7, 2016

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