Kevin Donald Muelken, M.D.
NPI 1134116932ActiveIndividual· Internal Medicine, Nephrology· Fort Collins, CO
Internal Medicine, Nephrology (M.D.) in Fort Collins, Colorado, trained at University of Minnesota Medical School (class of 1997). 460 Medicare patients in 2024, $183,940 paid; nearly all of their 1,970 Part D prescriptions were generic (91%). Amgen Inc. reported $42.64 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134116932 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 5, 2005 |
| Last updated in NPPES | Mar 25, 2024 |
| Certified by provider | Mar 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 41483 | CO |
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 - Nephrology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 460 |
|---|---|
| Services billed | 1,683 across 22 procedure codes |
| Paid by Medicare | $183,940 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,970 · 4,946 30-day fills |
|---|---|
| Patients | 294 |
| Total drug cost | $170,932 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Clinic PCFort Collins, CO · 18 clinicians
Hospital affiliations
- Banner North Colorado Medical CenterGreeley, CO
- Medical Center of the RockiesLoveland, CO
- Poudre Valley HospitalFort Collins, CO
- Sterling Regional MedcenterSterling, CO
- Uchealth Greeley HospitalGreeley, CO
Other facilities
- 062505 Northern Colorado Kidney Center (Fmc)Dialysis facility · Fort Collins, CO
Industry payments (Open Payments)
- 2025$42.64 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $42.64 | 2 |
What the 2025 payments were for
- Food and Beverage$42.64 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Fort Collins
- 1093704991
- 1144549007
- 1245551993
- 1447542436
- 1477995777
- 1750437331
- 1972558039
- 1568621142
- 1629229620
- 1467870998
- 1700244639
- 1437034782
All 15 nephrologists in Fort Collins · All nephrologists in Colorado