KATHERINE JEAN SAVAGE M.D.
NPI 1104211804
Emergency Medicine in Mchenry, IL
About Katherine Jean Savage M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE JEAN SAVAGE M.D. (NPI 1104211804) is an individual emergency medicine provider in Mchenry, Illinois, licensed in Illinois (036146051) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Rush Medical College Of Rush University (2015).
NPPES Registry Identity
Specialties & Licenses
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
Katherine Jean Savage 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 Katherine Savage reassigns Medicare billing to 3 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
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60050 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.
MCHENRY, IL 60050
MCHENRY, IL 60050
MCHENRY, IL 60050
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 Katherine Savage's NPI number?
The NPI number for Katherine Savage is 1104211804. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Katherine Savage located?
Katherine Savage practices at 4201 W Medical Center Dr, Mchenry, IL 60050. The listed phone number is (815) 759-3100.
What is Katherine Savage's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Katherine Savage enrolled in Medicare?
Yes. Katherine Savage 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 Katherine Savage's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Savage reassigns Medicare benefits to 3 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, 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 Katherine Savage's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Savage accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Katherine Savage 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 Katherine Savage affiliated with any hospitals?
According to CMS data, Katherine Savage is affiliated with Northwestern Medicine Mchenry.
When was this NPI record last updated?
The NPPES record for Katherine Savage was last updated on August 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.