Paul G. Sakiewicz, MD
NPI 1710969902ActiveIndividual· Internal Medicine, Nephrology· Aurora, CO
Internal Medicine, Nephrology (MD) with Denver Nephrologists PC, practicing in Aurora, Colorado. Their prescriptions cost Medicare Part D more than their services did: $223,738 for 1,721 claims, against $110,649 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 10 companies reporting payments in 2025, $820.22 in all, mostly food and beverage. Lists Adventhealth Littleton and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1710969902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 15, 2005 |
| Last updated in NPPES | Jan 20, 2026 |
| Certified by provider | Jan 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 37855 | 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 | 239 |
|---|---|
| Services billed | 1,249 across 33 procedure codes |
| Paid by Medicare | $110,649 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,721 · 3,906 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $223,738 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Denver Nephrologists PCDenver, CO · 47 clinicians
Hospital affiliations
- Adventhealth LittletonLittleton, CO
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
- Sky Ridge Medical CenterLone Tree, CO
- The Medical Center of Aurora & South HospitalAurora, CO
- Uchealth Highlands Ranch HospitalHighlands Ranch, CO
Other facilities
- Davita Platte Valley DialysisDialysis facility · Brighton, CO
- Davita Sable DialysisDialysis facility · Aurora, CO
Industry payments (Open Payments)
- 2025$820.22 · 19 payments from 10 companies
- 2024$446.60 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $256.16 | 2 |
| Otsuka America Pharmaceutical, Inc. | $183.48 | 3 |
| Akebia Therapeutics Inc | $115.31 | 4 |
| Glaxosmithkline, LLC. | $77.90 | 4 |
| Calliditas Therapeutics US Inc. | $76.24 | 1 |
What the 2025 payments were for
- Food and Beverage$818.56 · 18 payments
- Education$1.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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