Miroslaw P. Zdunek, M.D.
NPI 1508853615ActiveIndividual· Internal Medicine, Nephrology· Wilmington, DE
Internal Medicine, Nephrology (M.D.) with Nephrology Associates PA, practicing in Wilmington, Delaware. Their prescriptions cost Medicare Part D more than their services did: $469,482 for 1,969 claims, against $184,222 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 15 companies reporting payments in 2025, $1,016 in all, mostly food and beverage. Lists Christiana Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1508853615 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | Jun 17, 2021 |
| Certified by provider | Jun 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | C1-0006071 | DE |
| Internal Medicine, Nephrology | 207RN0300X | D0056782 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (DE); Practitioner - Nephrology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 622 |
|---|---|
| Services billed | 3,015 across 30 procedure codes |
| Paid by Medicare | $184,222 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,969 · 4,964 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $469,482 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates PAWilmington, DE · 54 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- St Francis HospitalWilmington, DE
- Union Hospital of Cecil CountyElkton, MD
Other facilities
- Fkc Brandywine Home TherapiesDialysis facility · Newark, DE
- Fkc Newport PikeDialysis facility · Wilmington, DE
- Fkc Riverside ParkDialysis facility · Wilmington, DE
- Fkc TalleyvilleDialysis facility · Wilmington, DE
- Fkc WilmingtonDialysis facility · Wilmington, DE
- Select Specialty Hospital WilmingtonLong-term care hospital · Wilmington, DE
Industry payments (Open Payments)
- 2025$1,016 · 42 payments from 15 companies
- 2024$1,073 · 45 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $198.45 | 8 |
| Otsuka America Pharmaceutical, Inc. | $147.29 | 5 |
| Ani Pharmaceuticals, Inc. | $112.20 | 4 |
| Ardelyx, Inc. | $93.55 | 5 |
| Akebia Therapeutics Inc | $77.64 | 3 |
What the 2025 payments were for
- Food and Beverage$1,016 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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