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

Mary Mallay, MSW, LCSW, LCAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1558914523

Mary Mallay, MSW, LCSW, LCAC is an Addiction (Substance Use Disorder) Counselor in Columbus, Indiana. Licensed in Indiana. Registered with an NPI since 2019.

Licensed in
IN
In the registry since
2019
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
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

1531 13th St Ste G800
Columbus, IN 47201-1315
Phone: (317) 220-1721
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 34007262A (IN)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 87001609A (IN)

Record details

NPI number1558914523
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW , LCAC
Sole proprietorNo
NPI enumeratedJuly 19, 2019
Last updated in NPPESJuly 19, 2019

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