Stuart I. Senkfor, MD
NPI 1215919402ActiveIndividual· Internal Medicine, Nephrology· Denver, CO
Internal Medicine, Nephrology (MD) in Denver, Colorado, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $165,226 for 986 claims, against $104,425 paid for services in 2024. Amgen Inc. was the largest of 3 companies reporting payments in 2025, $98.95 in all, mostly food and beverage.
Overview
| NPI | 1215919402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 15, 2005 |
| Last updated in NPPES | Sep 30, 2025 |
| Certified by provider | Sep 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 30555 | 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 | 316 |
|---|---|
| Services billed | 1,152 across 26 procedure codes |
| Paid by Medicare | $104,425 |
Part D prescriptions in 2024
| Prescriptions (claims) | 986 · 2,335 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $165,226 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Denver Nephrologists PCDenver, CO · 47 clinicians
Hospital affiliations
- Adventhealth LittletonLittleton, CO
- HCA Healthone RoseDenver, CO
- HCA Healthone Presbyterian St. LukesDenver, CO
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
- Saint Joseph HospitalDenver, CO
Other facilities
- Davita Lonetree Dialysis CenterDialysis facility · Englewood, CO
- Davita Parker Dialysis CenterDialysis facility · Parker, CO
Industry payments (Open Payments)
- 2025$98.95 · 4 payments from 3 companies
- 2024$284.98 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $51.42 | 2 |
| Otsuka America Pharmaceutical, Inc. | $29.23 | 1 |
| Novartis Pharmaceuticals Corporation | $18.30 | 1 |
What the 2025 payments were for
- Food and Beverage$98.95 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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