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

Callahan & Associates, Ltd

Organization Clinical Social Worker · NPI 1255447231

Callahan & Associates, Ltd is a Clinical Social Worker in Roselle, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
Ltd — Limited
A form of business registration, not a clinical qualification.

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Practice location Address checks out

701 E Irving Park Rd Ste 305
Roselle, IL 60172-2322
Phone: (630) 529-1644
Fax: (630) 529-1792
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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 149001980 (IL)

Record details

NPI number1255447231
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Boyd Callahan — President · (847) 698-2862
NPI enumeratedAugust 22, 2006
Last updated in NPPESJuly 10, 2009
Mailing address701 E Irving Park Rd, Suite 305, Roselle, IL 60172-2322

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