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KATHERINE NIEMYSKI
NPI 1124982038
Nurse Practitioner - Family in Norridge, IL

Active since December 15, 2025PECOS Enrolled
4900 N CUMBERLAND AVE, NORRIDGE, IL 60706(708) 456-1600 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Katherine Niemyski NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE NIEMYSKI (NPI 1124982038) is an individual family provider in Norridge, Illinois, licensed in Illinois (209.032377) and active in the NPI registry since December 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1124982038
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATHERINE NIEMYSKI
Location Address4900 N CUMBERLAND AVENorridge, IL 60706-2901
Mailing Address4900 N Cumberland AveNorridge, IL 60706-2901
Phone(708) 456-1600
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 15, 2025
NPPES CertifiedDecember 15, 2025
✔ NPI 1124982038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 209.032377
4900 N CUMBERLAND AVE, Norridge, IL 60706
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Niemyski is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325523566
PECOS Enrollment IDI20260326001088
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Niemyski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physicians Immediate Care North Chicago LLC
4.7 mi
Urgent Care
4211 N CICERO AVE, SUITE 100
Chicago, IL 60641
  • Reassigned Medicare billing, Illinois enrollment
  • 366 clinicians in this Medicare group
NPI 1205814118 (815) 713-2738

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RESURRECTION SERVICES
Clinic/Center (Multi-Specialty)
4900 N CUMBERLAND AVE, SUITE 200
NORRIDGE, IL 60706
Cook County (708) 456-1600
RUBY KAUR GROVER PA-C
Physician Assistant
4900 N CUMBERLAND AVE
NORRIDGE, IL 60706
Cook County (708) 456-1600
PRESENCE AMBULATORY SERVICES
Clinic/Center (Multi-Specialty)
4900 N CUMBERLAND AVE
NORRIDGE, IL 60706
Cook County (708) 456-1600
FARID SAHEB MD
Internal Medicine (Nephrology)
4900 N CUMBERLAND AVE
NORRIDGE, IL 60706
Cook County (312) 910-3588
SYEDA NISHAAT ZAHEDI M.D
Family Medicine
4900 N CUMBERLAND AVE
NORRIDGE, IL 60706
Cook County (708) 456-1600
MEGHAN O'BRIEN FNP-C
Nurse Practitioner (Family)
4900 N CUMBERLAND AVE
NORRIDGE, IL 60706
Cook County (708) 456-1600
MARCUS LARON FORWARD II PA-C
Physician Assistant
4900 N CUMBERLAND AVE
NORRIDGE, IL 60706
Cook County (708) 456-1600
DR. DENA ZAHIR HAMAD MD
Family Medicine
4900 N CUMBERLAND AVE
NORRIDGE, IL 60706
Cook County (708) 456-1600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Niemyski's NPI number?

The NPI number for Katherine Niemyski is 1124982038. It was assigned to this individual provider in the NPPES registry on December 15, 2025.

Where is Katherine Niemyski located?

Katherine Niemyski practices at 4900 N Cumberland Ave, Norridge, IL 60706. The listed phone number is (708) 456-1600.

What is Katherine Niemyski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katherine Niemyski enrolled in Medicare?

Yes. Katherine Niemyski is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Niemyski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Niemyski reassigns Medicare benefits to Physicians Immediate Care North Chicago LLC (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Niemyski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Niemyski was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.