KARL E. MAGSAMEN M.D.
NPI 1033202536
Radiology - Vascular & Interventional Radiology in Rockford, IL
About Karl E. Magsamen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARL E. MAGSAMEN M.D. (NPI 1033202536) is an individual vascular & interventional radiology provider in Rockford, Illinois, licensed in Texas (U5598) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Brookdale Hospital Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Karl E. Magsamen 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
33Medicare enrollment records show Karl Magsamen reassigns Medicare billing to 33 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Harvard, IL 60033
- Reassigned Medicare billing, Illinois enrollment
- 382 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 clinicians in this Medicare group
Freeport, IL 61032
- Reassigned Medicare billing, Colorado enrollment
- 5 clinicians in this Medicare group
Freeport, IL 61032
- Reassigned Medicare billing, Colorado enrollment
- 5 clinicians in this Medicare group
Chicago, IL 60622
- Reassigned Medicare billing, Colorado and Illinois enrollments
- 5 clinicians in this Medicare group
Eureka, IL 61530
- Reassigned Medicare billing, Illinois enrollment
- 97 clinicians in this Medicare group
Normal, IL 61761
- Reassigned Medicare billing, Illinois enrollment
- 698 clinicians in this Medicare group
Normal, IL 61761
- Reassigned Medicare billing, Illinois enrollment
- 71 clinicians in this Medicare group
Chrisman, IL 61924
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1679502322 (Illinois)
- 216 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 24
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.
Brookdale Hospital Medical Center
Acute Care Hospitals · Brooklyn, NYLima Memorial Health System
Acute Care Hospitals · Lima, OHGrays Harbor Community Hospital
Acute Care Hospitals · Aberdeen, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61114 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCKFORD, IL 61114
ROCKFORD, IL 61114
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 Karl Magsamen's NPI number?
The NPI number for Karl Magsamen is 1033202536. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Karl Magsamen located?
Karl Magsamen practices at 8201 E Riverside Blvd, Rockford, IL 61114. The listed phone number is (815) 971-7000.
What is Karl Magsamen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Karl Magsamen enrolled in Medicare?
Yes. Karl Magsamen 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 Karl Magsamen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Magsamen reassigns Medicare benefits to 33 organizations: Rockford Health Physicians (Rockford, IL), Mercy Harvard Hospital Inc (Harvard, IL), Mercy Health System Corporation (Janesville, WI), Camelot Radiology Associates Ltd (Freeport, IL), Freeport Memorial Hospital (Freeport, IL) and 28 more organizations, listed in the Medicare section above. 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 Karl Magsamen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Magsamen accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Texas and 5 other insurers list Karl Magsamen 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 Karl Magsamen affiliated with any hospitals?
According to CMS data, Karl Magsamen is affiliated with Brookdale Hospital Medical Center, Lima Memorial Health System and Grays Harbor Community Hospital.
When was this NPI record last updated?
The NPPES record for Karl Magsamen was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Karl E. Magsamen, M.D. · NPI 1033202536
Vascular & Interventional Radiology physician in Rockford, Illinois. Individual provider, active in the CMS NPPES registry since October 2, 2006.
## Identity
- **NPI:** 1033202536 (Entity type: Individual)
- **Enumerated:** October 2, 2006
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** U5598 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 8201 E RIVERSIDE BLVD, Rockford, IL 61114-2300
- **Phone:** (815) 971-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 33 organizations under Medicare reassignment (form CMS-855R): Rockford Health Physicians (NPI 1043242886, Rockford, IL); Mercy Harvard Hospital Inc (NPI 1427001445, Harvard, IL); Mercy Health System Corporation (NPI 1598718603, Janesville, WI); Camelot Radiology Associates Ltd (NPI 1841244753, Freeport, IL); Freeport Memorial Hospital (NPI 1447228788, Freeport, IL); and 28 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Creighton University School Of Medicine, class of 1998
## Record status
- **NPPES last updated:** August 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033202536) · Data from the CMS NPPES public registry.