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

Mrs. Mary Jo Brennan

Individual provider Pharmacist · NPI 1134406671

Mrs. Mary Jo Brennan is a Pharmacist in Oconomowoc, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2011.

Licensed in
WI
In the registry since
2011

Practice location Address checks out

1021 Summit Ave
Oconomowoc, WI 53066-4457
Phone: (262) 567-9173
Fax: (262) 567-3034
Show map & directions

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

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 08261-040 (WI)

Record details

NPI number1134406671
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 11, 2011
Last updated in NPPESNovember 11, 2011

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