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

Katherine Brennan

Individual provider Nurse Practitioner · NPI 1932502929

Katherine Brennan is a Nurse Practitioner in Chicago, Illinois. Graduated from Georgetown University School of Medicine in 2014, 12 years ago. Licensed in Illinois.

Years since qualifying
12
Trained at
Georgetown University School of Medicine
Licensed in
IL
In the registry since
2014
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

225 E Chicago Ave
Chicago, IL 60611-2991
Phone: (312) 227-4585
Fax: (312) 227-9388
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 277001645 (IL)

Record details

NPI number1932502929
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 3, 2014
Last updated in NPPESFebruary 7, 2022
Certification dateFebruary 7, 2022
Mailing address225 E Chicago Ave, Chicago, IL 60611-2991

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Not indicated

Other providers in Chicago