DR. SUSAN J LADUZINSKY MD
NPI 1942202155
Radiology - Radiation Oncology in Shiloh, IL
About Dr. Susan J Laduzinsky Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUSAN J LADUZINSKY MD (NPI 1942202155) is an individual radiation oncology provider in Shiloh, Illinois, licensed in Illinois (036081547) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains a secondary practice location in Warrenville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Susan J Laduzinsky 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
3Medicare enrollment records show Susan Laduzinsky reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Shiloh, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 530 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 45 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 19
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62269 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.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SHILOH, IL 62269
SHILOH, IL 62269
SHILOH, IL 62269
SHILOH, IL 62269
SHILOH, IL 62269
SHILOH, IL 62269
SHILOH, IL 62269
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 Susan Laduzinsky's NPI number?
The NPI number for Susan Laduzinsky is 1942202155. It was assigned to this individual provider in the NPPES registry on June 1, 2005.
Where is Susan Laduzinsky located?
Susan Laduzinsky practices at 1418 Cross St Ste 160, Shiloh, IL 62269. The listed phone number is (618) 607-1340.
What is Susan Laduzinsky's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Susan Laduzinsky enrolled in Medicare?
Yes. Susan Laduzinsky 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 Susan Laduzinsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Laduzinsky reassigns Medicare benefits to 3 organizations: Washington University Physicians In Illinois, Inc (Shiloh, IL), Washington University (Saint Louis, MO) and Northwestern Medical Faculty Foundation (Carol Stream, 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 Susan Laduzinsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Susan Laduzinsky accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Susan Laduzinsky 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 Susan Laduzinsky affiliated with any hospitals?
According to CMS data, Susan Laduzinsky is affiliated with Memorial Hospital, Hshs St Elizabeth's Hospital and Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Susan Laduzinsky was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.