PAUL E. ANTCZAK JR. APN-CNP
NPI 1790457190
Nurse Practitioner in Chicago, IL
About Paul E. Antczak Jr. Apn-cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAUL E. ANTCZAK JR. APN-CNP (NPI 1790457190) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209023680) and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Other (2021).
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
Paul E. Antczak Jr. Apn-cnp 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 Paul Antczak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60625
- Reassigned Medicare billing, Illinois enrollment
- 350 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILSwedish Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60625 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Paul Antczak's NPI number?
The NPI number for Paul Antczak is 1790457190. It was assigned to this individual provider in the NPPES registry on October 4, 2021.
Where is Paul Antczak located?
Paul Antczak practices at 5140 N California Ave Ste M331, Chicago, IL 60625. The listed phone number is (773) 878-8200.
What is Paul Antczak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Paul Antczak enrolled in Medicare?
Yes. Paul Antczak 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 Paul Antczak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Antczak reassigns Medicare benefits to 2 organizations: Swedish Covenant Management Services, Inc. (Chicago, IL) and Endeavor Health Medical Group (Evanston, 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 Paul Antczak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Paul Antczak affiliated with any hospitals?
According to CMS data, Paul Antczak is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.
When was this NPI record last updated?
The NPPES record for Paul Antczak was last updated on November 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.