Derek Lee Fimmen, MD
NPI 1952524449ActiveIndividual· Radiology, Diagnostic Radiology· Fort Collins, CO
Radiology, Diagnostic Radiology (MD) in Fort Collins, Colorado, trained at University of Chicago, Pritzker School of Medicine (class of 2002). Medicare paid $172,114 for services to 5,894 patients in 2024. Boston Scientific Corporation reported $15.24 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1952524449 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 11, 2007 |
| Last updated in NPPES | Feb 4, 2026 |
| Certified by provider | Feb 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 036.116382 | IL |
| Radiology, Diagnostic Radiology | 2085R0202X | CP1792 | NE |
| Radiology, Diagnostic Radiology | 2085R0202X | CDR.0006012 | CO |
| Radiology, Diagnostic Radiology | 2085R0202X | 18994C | WY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Diagnostic Radiology (CO); Practitioner - Diagnostic Radiology (IL); Practitioner - Diagnostic Radiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 5,894 |
|---|---|
| Services billed | 7,494 across 135 procedure codes |
| Paid by Medicare | $172,114 |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Uchealth Imaging Services LLCBroomfield, CO · 258 clinicians
- Mercy Hospital PerryPerryville, MO · 117 clinicians
- Fort Collins Radiologic Associates PCFort Collins, CO · 63 clinicians
Hospital affiliations
- Medical Center of the RockiesLoveland, CO
- Memorial Hospital of CarbondaleCarbondale, IL
- Mercy Health - Lourdes HospitalPaducah, KY
- Poudre Valley HospitalFort Collins, CO
- Saint Francis Medical CenterCape Girardeau, MO
Industry payments (Open Payments)
- 2025$15.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $15.24 | 1 |
What the 2025 payments were for
- Food and Beverage$15.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 71 diagnostic radiologists in Fort Collins · All diagnostic radiologists in Colorado