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

Karen Bretz, APN

Individual provider Family Nurse Practitioner · NPI 1134428683

Karen Bretz, APN is a Family Nurse Practitioner in Chicago, Illinois. Licensed in Illinois and Wisconsin. Registered with an NPI since 2011.

Licensed in
IL, WI
In the registry since
2011
Specialties on file
2
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

5625 N Ridge Ave
Chicago, IL 60660-3434
Phone: (800) 323-8622
Fax: (847) 519-3652
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 209.008406 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 15230-33 (WI)

Record details

NPI number1134428683
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedMarch 23, 2011
Last updated in NPPESOctober 14, 2024
Certification dateOctober 14, 2024

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