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

Karen Riordan, MSW

Individual provider Clinical Social Worker · NPI 1134324676

Karen Riordan, MSW is a Clinical Social Worker in Ellicott City, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

8213 Tyson Rd
Ellicott City, MD 21043-3431
Phone: (410) 461-0727
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 05254 (MD)

Record details

NPI number1134324676
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedJune 15, 2007
Last updated in NPPESJuly 8, 2007

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