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

MS. Mary B Obrien, LCSW

Individual provider School Social Worker · NPI 1558541276

MS. Mary B Obrien, LCSW is a School Social Worker in Northbrook, Illinois. Licensed in Illinois. Registered with an NPI since 2007.

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

See every abbreviation used in this directory →

Practice location Address checks out

350 Lee Rd
Northbrook, IL 60062
Phone: (847) 562-2100
Fax: (847) 562-2112
Show map & directions

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

Specialties & licences

School Social Worker (primary) Taxonomy 1041S0200X (IL)

Record details

NPI number1558541276
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedNovember 9, 2007
Last updated in NPPESNovember 9, 2007

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