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

Mary K Horan LCSW, LLC

Organization Clinical Social Worker · NPI 1356626683

Mary K Horan LCSW, LLC provides Clinical Social Worker services in Oak Brook, Illinois. Licensed in Illinois. Registered with an NPI since 2011.

Licensed in
IL
In the registry since
2011
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2625 Butterfield Rd Ste 138S
Oak Brook, IL 60523-1234 Not confirmed with CMS for 14 years — call before visiting
Phone: (708) 508-9981
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

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149013501 (IL)

Record details

NPI number1356626683
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Horan — Lcsw · (708) 508-9981
NPI enumeratedOctober 18, 2011
Last updated in NPPESOctober 18, 2011
Mailing address312 Wisconsin Ave, 1n, Oak Park, IL 60302-3494

Other providers in Oak Brook