Quick answers
- Does Karl Magsamen accept Medicare assignment?
- Yes. Medicare's clinician data says Karl Magsamen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Karl Magsamen see?
- In 2024, CMS data shows 1,158 Original Medicare patients and 1,481 services for Karl Magsamen. This counts Original Medicare only and measures volume, not quality.
- What is Karl Magsamen's NPI number?
- 1033202536. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Karl Magsamen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,158 |
|---|---|
| Services billed to Medicare | 1,481 |
| Different services or procedures | 101 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)216 services
- Ct scan of abdomen and pelvis with contrast (74177)215 services
- Ct scan of chest with contrast (71260)109 services
- Ct scan of blood vessels of chest with contrast (71275)107 services
- Ct scan of chest without contrast (71250)98 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes48%
- Ischemic heart disease44%
- Chronic kidney disease42%
Hospitals where Karl Magsamen works
Medicare's Facility Affiliation Data lists Karl Magsamen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Bayhealth Hospital, Sussex CampusMilford, DE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 080009
- Bayhealth Medical Center, Kent CampusDover, DE · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 080004
- Brookdale Hospital Medical CenterBrooklyn, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330233
- Grays Harbor Community HospitalAberdeen, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500031
- Lima Memorial Health SystemLima, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360009
Practice locations
Addresses where Karl Magsamen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 22; the Medicare profile lists all.
- 1044 N Francisco AveChicago, IL 60622 · Humboldt Park Health (773) 292‑8227
- 11011 Slide RdLubbock, TX 79424 · Lubbock County Hospital District (806) 775‑8200
- 1200 E Michigan Ave Fl, 1 University of Michigan Health SparrLansing, MI 48912 (517) 364‑5650
- 1200 W Mohave RdParker, AZ 85344 · La Paz Regional Hospital Inc (928) 669‑7382
- 1215 E Michigan Ave, Unitversity of Michigan Health SparLansing, MI 48912 (517) 364‑5650
Group practices
Medicare enrollment lists Karl Magsamen as a member of these groups (CMS data updated October 2, 2026).
- Christiana Care Health Services Inc1,483 clinicians in the group
- Faculty Physicians and Surgeons of Llusm1,315 clinicians in the group
- Mercy Health System Corporation753 clinicians in the group
- Edward W Sparrow Hospital Association730 clinicians in the group
- Rockford Health Physicians521 clinicians in the group
- Interfaith Professional Physician Services PC384 clinicians in the group
Specialties
- Interventional Radiologyprimary
- Diagnostic Radiologyalso
Other interventional radiologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Christiana Care Health Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033202536 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians