GEORGE X ZALESKI MD
NPI 1003838822
Radiology - Diagnostic Radiology in Maywood, IL
About George X Zaleski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE X ZALESKI MD (NPI 1003838822) is an individual diagnostic radiology provider in Maywood, Illinois, licensed in Illinois (036083693) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses 7
Other Identifiers 1
Accepted Insurance
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
George X Zaleski 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
2Medicare enrollment records show George Zaleski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 clinicians in this Medicare group
Manitowoc, WI 54220
- Reassigned Medicare billing, Wisconsin enrollment
- 875 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola Gottlieb Memorial Hospital
Acute Care Hospitals · Melrose Park, ILMacneal Hospital
Acute Care Hospitals · Berwyn, ILLoyola University Medical Center
Acute Care Hospitals · Maywood, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60153 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MAYWOOD, IL 60153
MAYWOOD, IL 60153
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 George Zaleski's NPI number?
The NPI number for George Zaleski is 1003838822. It was assigned to this individual provider in the NPPES registry on July 24, 2006.
Where is George Zaleski located?
George Zaleski practices at 2160 S 1st Ave, Maywood, IL 60153. The listed phone number is (708) 216-9000.
What is George Zaleski's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is George Zaleski enrolled in Medicare?
Yes. George Zaleski 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 George Zaleski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Zaleski reassigns Medicare benefits to 2 organizations: Loyola University Medical Center (Maywood, IL) and Bellin Memorial Hospital Inc (Manitowoc, WI). 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 George Zaleski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does George Zaleski accept?
Health plans from Oscar Health list George Zaleski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is George Zaleski affiliated with any hospitals?
According to CMS data, George Zaleski is affiliated with Loyola Gottlieb Memorial Hospital, Macneal Hospital and Loyola University Medical Center.
When was this NPI record last updated?
The NPPES record for George Zaleski was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# George X Zaleski, MD · NPI 1003838822
Diagnostic Radiology physician in Maywood, Illinois. Individual provider, active in the CMS NPPES registry since July 24, 2006.
## Identity
- **NPI:** 1003838822 (Entity type: Individual)
- **Enumerated:** July 24, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 036083693 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2160 S 1ST AVE, Maywood, IL 60153-3328
- **Phone:** (708) 216-9000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Loyola University Medical Center (NPI 1336159961, Maywood, IL); Bellin Memorial Hospital Inc (NPI 1992878730, Manitowoc, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** April 10, 2025
- **Other identifiers:** Medicaid 32619400 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1003838822) · Data from the CMS NPPES public registry.