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

Lynn O'Brien, MSW

Individual provider Clinical Social Worker · NPI 1225127608

Lynn O'Brien, MSW is a Clinical Social Worker in Brookfield, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

2515 N 124th St Ste 101
Brookfield, WI 53005-4675
Phone: (262) 641-4347
Fax: (262) 641-4350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 688-124 (WI)
Clinical Social Worker Taxonomy 1041C0700X · Licence 163-123 (WI)

Record details

NPI number1225127608
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address2515 N 124th St, Suite 101, Brookfield, WI 53005-4675

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