Karl Magsamen, M.D.
NPI 1033202536 · Vascular & Interventional Radiology Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Magsamen, M.D. is a Vascular & Interventional Radiology Physician provider in Rockford, IL (NPI 1033202536).
Provider details
- NPI number
- 1033202536
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C1-0026240 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,219 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 216 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 215 | $85 |
| Ct Scan of Chest With Contrast71260 | 109 | $53 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 107 | $83 |
| Ct Scan of Chest Without Contrast71250 | 98 | $50 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 83 | $82 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$74 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 1024 S Lemay AveFort Collins, CO 80524-3929Phone: (970) 495-7000Fax: (970) 495-7639
- 4755 Ogletown Stanton RoadNewark, DE 19718-2200Phone: (302) 733-1840Fax: (302) 733-1633
- 875 S Route 31Crystal Lake, IL 60014-8190Phone: (779) 220-5500
- 901 Grant StHarvard, IL 60033-1821Phone: (815) 943-5431
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2025-08-14
- Certified
- 2025-08-11
Frequently asked questions
- What is Karl Magsamen's NPI number?
- Karl Magsamen's National Provider Identifier (NPI) is 1033202536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Magsamen's specialty?
- Karl Magsamen is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Magsamen located?
- Karl Magsamen's practice location on file with NPPES is 8201 E Riverside Blvd, Rockford, IL 61114-2300.
- What is Karl Magsamen's phone number?
- The practice phone number listed in the NPPES registry for Karl Magsamen is (815) 971-7000.
- Does Karl Magsamen accept Medicare?
- Karl Magsamen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Magsamen's NPI active?
- Yes — Karl Magsamen's NPI (1033202536) is active in the NPPES registry as of the last update on 2025-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.