Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Katherine Janezic, NP

Sees patients in Niles, IL · Illinois

Summary

Katherine Janezic, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Niles, IL. NPI 1114551983. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine Janezic, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
Rush Medical College Of Rush UniversityMedical school
FemaleGender (as listed)
North Branch Dermatology LLCGroup practice

Quick answers

Where does Katherine Janezic see patients?
Medicare's clinician data lists 1 practice location in Niles, IL. Call before your visit to confirm the address.
What is Katherine Janezic's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Katherine Janezic accept Medicare assignment?
Yes. Medicare's clinician data says Katherine Janezic accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Katherine Janezic?
(773) 763-6000, as listed in official Medicare / NPI Registry data.
What is Katherine Janezic's NPI number?
1114551983. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Katherine Janezic is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Katherine Janezic as a member of this group (CMS data updated 2026-10-02).

  • North Branch Dermatology LLC5 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Illinois →

Other nurse practitioners in Niles

Clinicians with the same Medicare primary specialty in Niles, IL — not a recommendation.

All nurse practitioners in Niles →

Clinician information

CredentialNP
Medical schoolRush Medical College Of Rush University
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114551983
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians