TOMASZ PRZEZDZIAK MD
NPI 1114086766
Anesthesiology in Arlington Heights, IL
About Tomasz Przezdziak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOMASZ PRZEZDZIAK MD (NPI 1114086766) is an individual anesthesiology provider in Arlington Heights, Illinois, licensed in Illinois (036103216) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Huntley.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Tomasz Przezdziak Md 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
4Medicare enrollment records show Tomasz Przezdziak reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 385 clinicians in this Medicare group
Zion, IL 60099
- Reassigned Medicare billing, Illinois enrollment
- 253 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
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 Tomasz Przezdziak's NPI number?
The NPI number for Tomasz Przezdziak is 1114086766. It was assigned to this individual provider in the NPPES registry on December 8, 2006.
Where is Tomasz Przezdziak located?
Tomasz Przezdziak practices at 800 W Central Rd, Arlington Heights, IL 60005. The listed phone number is (847) 618-1000.
What is Tomasz Przezdziak's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Tomasz Przezdziak enrolled in Medicare?
Yes. Tomasz Przezdziak 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 Tomasz Przezdziak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tomasz Przezdziak reassigns Medicare benefits to 4 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), Endeavor Health Medical Group (Evanston, IL), Midwest Anesthesia Partners, LLC (Chicago, IL) and City Of Hope Medical Group Of Illinois PLLC (Zion, 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 Tomasz Przezdziak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tomasz Przezdziak affiliated with any hospitals?
According to CMS data, Tomasz Przezdziak is affiliated with Northwestern Medicine Mchenry.
When was this NPI record last updated?
The NPPES record for Tomasz Przezdziak was last updated on September 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.