KATARZYNA MARIA WITOWSKI FNP
NPI 1184103194
Nurse Practitioner - Family in Homer Glen, IL
About Katarzyna Maria Witowski Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATARZYNA MARIA WITOWSKI FNP (NPI 1184103194) is an individual family provider in Homer Glen, Illinois, licensed in Illinois (209017714) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katarzyna Maria Witowski Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Katarzyna Witowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orland Park, IL 60467
- Reassigned Medicare billing, Illinois enrollment
- 40 clinicians in this Medicare group
Elgin, IL 60123
- Reassigned Medicare billing, Illinois enrollment
- 66 clinicians in this Medicare group
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 60491 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Katarzyna Witowski's NPI number?
The NPI number for Katarzyna Witowski is 1184103194. It was assigned to this individual provider in the NPPES registry on August 9, 2018.
Where is Katarzyna Witowski located?
Katarzyna Witowski practices at 13253 W Hiawatha Dr, Homer Glen, IL 60491. The listed phone number is (708) 262-2595.
What is Katarzyna Witowski's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Katarzyna Witowski enrolled in Medicare?
Yes. Katarzyna Witowski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Katarzyna Witowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katarzyna Witowski reassigns Medicare benefits to 2 organizations: Midwest Orthopedic Consultants Sc (Orland Park, IL) and Chestnut Health Of Illinois LLC (Elgin, IL). Each 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 Katarzyna Witowski'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 Katarzyna Witowski was last updated on August 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.