DR. KATHLEEN M. WEBER M.D.
NPI 1285612259
Internal Medicine - Sports Medicine in Chicago, IL
About Dr. Kathleen M. Weber M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHLEEN M. WEBER M.D. (NPI 1285612259) is an individual sports medicine provider in Chicago, Illinois, licensed in Illinois (036099936) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Memorial Medical Center, and is a graduate of Rush Medical College Of Rush University (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
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. Kathleen M. Weber 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
2Medicare enrollment records show Kathleen Weber reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 178 clinicians in this Medicare group
Rockford, IL 61107
- Reassigned Medicare billing, Illinois enrollment
- 562 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 26
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.
Memorial Medical Center
Acute Care Hospitals · Springfield, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILOther Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60612
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 Kathleen Weber's NPI number?
The NPI number for Kathleen Weber is 1285612259. It was assigned to this individual provider in the NPPES registry on January 9, 2006.
Where is Kathleen Weber located?
Kathleen Weber practices at 1611 W. Harrison Suite 400, Chicago, IL 60612. The listed phone number is (312) 431-3400.
What is Kathleen Weber's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sports Medicine, with taxonomy code 207RS0010X.
Is Kathleen Weber enrolled in Medicare?
Yes. Kathleen Weber 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 Kathleen Weber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Weber reassigns Medicare benefits to 2 organizations: Midwest Orthopaedics At Rush, LLC (Chicago, IL) and Orthomidwest, PLLC (Rockford, 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 Kathleen Weber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kathleen Weber affiliated with any hospitals?
According to CMS data, Kathleen Weber is affiliated with Memorial Medical Center and Northwestern Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Kathleen Weber was last updated on November 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.