Douglas Andrew Hamerski, M.D.
NPI 1730132218ActiveIndividual· Internal Medicine, Nephrology· Wilmington, NC
Internal Medicine, Nephrology (M.D.) in Wilmington, North Carolina, trained at University of Minnesota Medical School (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $299,081 for 984 claims, against $174,726 paid for services in 2024. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $262.76 in all, mostly food and beverage.
Overview
| NPI | 1730132218 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Mar 3, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 200000813 | NC |
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 (NC); Practitioner - Nephrology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 657 |
|---|---|
| Services billed | 4,858 across 49 procedure codes |
| Paid by Medicare | $174,726 |
Part D prescriptions in 2024
| Prescriptions (claims) | 984 · 2,263 30-day fills |
|---|---|
| Patients | 278 |
| Total drug cost | $299,081 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Eastern Nephrology Associates PLLCGoldsboro, NC · 77 clinicians
Hospital affiliations
- J Arthur Dosher Memorial HospitalSouthport, NC
- McLeod Loris HospitalLoris, SC
- Novant Health Brunswick Medical CenterSupply, NC
- Novant Health New Hanover Regional Medical CenterWilmington, NC
- Pender Memorial HospitalBurgaw, NC
Other facilities
- Davita Cape Fear DialysisDialysis facility · Wilmington, NC
- Davita Sedc Burgaw Dialysis CenterDialysis facility · Burgaw, NC
- Davita Sedc Elizabethtown Dialysis CenterDialysis facility · Elizabethtown, NC
- Davita Sedc Wilmington Dialysis CenterDialysis facility · Wilmington, NC
Industry payments (Open Payments)
- 2025$262.76 · 13 payments from 8 companies
- 2024$82.55 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $84.63 | 4 |
| Novo Nordisk Inc | $47.55 | 2 |
| Alexion Pharmaceuticals, Inc. | $36.69 | 2 |
| Novartis Pharmaceuticals Corporation | $24.17 | 1 |
| Otsuka America Pharmaceutical, Inc. | $20.99 | 1 |
What the 2025 payments were for
- Food and Beverage$262.76 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Wilmington
- 1457641946
- 1104878347
- 1548485113
- 1972544492
- 1629024898
- 1154530087
- 1710032255
- 1003861147
- 1831519404
- 1457306581
- 1538375597
- 1851346035
All Internal Medicine, Nephrology providers in North Carolina →