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

Mary Kathleen O'Hara

Organization Addiction (Substance Use Disorder) Counselor · NPI 1245570068

Mary Kathleen O'Hara is an Addiction (Substance Use Disorder) Counselor in Oak Brook, Illinois. Licensed in Illinois. Registered with an NPI since 2013.

Licensed in
IL
In the registry since
2013
Specialties on file
3

Practice location Address checks out

2625 Butterfield Rd Ste 103W
Oak Brook, IL 60523-1234
Phone: (630) 571-8784
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 180004804
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X
Marriage & Family Therapist Taxonomy 106H00000X · Licence 166000225 (IL)

Record details

NPI number1245570068
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary O'Hara — Owner · (630) 571-8784
NPI enumeratedFebruary 15, 2013
Last updated in NPPESFebruary 15, 2013
Mailing address2625 Butterfield Rd, Suite 103w, Oak Brook, IL 60523-1234

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