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

Patti Leahy, LCSW

Individual provider Social Worker · NPI 1073719001

Patti Leahy, LCSW is a Social Worker in Merrillville, Indiana. Licensed in Illinois and Indiana. Registered with an NPI since 2007.

Licensed in
IL, IN
In the registry since
2007
Specialties on file
3
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

8555 Taft St
Merrillville, IN 46410-6123
Phone: (219) 769-4005
Fax: (219) 769-2508
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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 34005948A (IN)
Social Worker Taxonomy 104100000X · Licence 149003721 (IL)
Clinical Social Worker Taxonomy 1041C0700X · Licence 149003721 (IL)

Record details

NPI number1073719001
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJune 26, 2007
Last updated in NPPESFebruary 15, 2012

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