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

Mrs. Kathy Kleszcz, NP-C

Individual provider Family Nurse Practitioner · NPI 1104221431

Mrs. Kathy Kleszcz, NP-C is a Nurse Practitioner in Chicago, Illinois. Qualified in 2014, 12 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
12
Licensed in
IL
In the registry since
2014
Specialties on file
2
What do these letters mean?
NP-C — Nurse Practitioner, Certified
A nurse practitioner certified by the AANP.

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Practice location Address checks out

4600 N Ravenswood Ave
Chicago, IL 60640-4510
Phone: (773) 561-7500
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 277-001084 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209-012333 (IL)

Record details

NPI number1104221431
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP-C
Sole proprietorYes
NPI enumeratedOctober 29, 2014
Last updated in NPPESFebruary 10, 2025
Certification dateFebruary 10, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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