KATHERINE HANSEN DO
NPI 1235360553
Surgery - Surgical Oncology in Geneva, IL
About Katherine Hansen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE HANSEN DO (NPI 1235360553) is an individual surgical oncology provider in Geneva, Illinois, licensed in Illinois (036145715) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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 Hansen Do 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 Hansen 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
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Arlington Heights, IL 60005
- Reassigned Medicare billing, Illinois enrollment
- 346 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 6
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILNorthwestern Medicine Kishwaukee Hospital
Acute Care Hospitals · Dekalb, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60134 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
GENEVA, IL 60134
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 Hansen's NPI number?
The NPI number for Katherine Hansen is 1235360553. It was assigned to this individual provider in the NPPES registry on August 4, 2009.
Where is Katherine Hansen located?
Katherine Hansen practices at 304 Randall Rd, Geneva, IL 60134. The listed phone number is (630) 307-7799.
What is Katherine Hansen's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Katherine Hansen enrolled in Medicare?
Yes. Katherine Hansen 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 Hansen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Hansen reassigns Medicare benefits to 3 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), Central Dupage Physician Group (Carol Stream, IL) and Northwest Community Health Services Inc (Arlington Heights, 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 Katherine Hansen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Hansen accept?
Health plans from Oscar Health list Katherine Hansen 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 Hansen affiliated with any hospitals?
According to CMS data, Katherine Hansen is affiliated with Northwestern Medicine Mchenry, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital, Northwest Community Hospital 1 and Northwestern Medicine Kishwaukee Hospital.
When was this NPI record last updated?
The NPPES record for Katherine Hansen was last updated on November 13, 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.