DR. BRETT WAYNE COX M.D.
NPI 1811192099
Radiology - Radiation Oncology in Chicago Ridge, IL
About Dr. Brett Wayne Cox M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRETT WAYNE COX M.D. (NPI 1811192099) is an individual radiation oncology provider in Chicago Ridge, Illinois, licensed in New York (245000) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and is a graduate of Harvard Medical School (2002).
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
Dr. Brett Wayne Cox M.d. 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 Brett Cox reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 126 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 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 13
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Palos Community Hospital
Acute Care Hospitals · Palos Heights, ILOsf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60415 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO RIDGE, IL 60415
CHICAGO RIDGE, IL 60415
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 Brett Cox's NPI number?
The NPI number for Brett Cox is 1811192099. It was assigned to this individual provider in the NPPES registry on June 18, 2007.
Where is Brett Cox located?
Brett Cox practices at 10400 Southwest Hwy, Chicago Ridge, IL 60415. The listed phone number is (708) 888-8287.
What is Brett Cox's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Brett Cox enrolled in Medicare?
Yes. Brett Cox 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 Brett Cox's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Cox reassigns Medicare benefits to 3 organizations: Uropartners, LLC (Oak Lawn, IL), Rush University Medical Center (Oak Brook, IL) and North Shore-Lij Medical PC (Great Neck, NY). 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 Brett Cox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brett Cox affiliated with any hospitals?
According to CMS data, Brett Cox is affiliated with Palos Community Hospital, Osf Little Company Of Mary Medical Center, Advocate Christ Hospital & Medical Center and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Brett Cox was last updated on April 16, 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.