Douglas R. Linfert, M.D.
NPI 1710032255ActiveIndividual· Internal Medicine, Nephrology· Wilmington, NC
Internal Medicine, Nephrology (M.D.) in Wilmington, North Carolina, trained at St. Louis College of Physicians and Surgeons (class of 2002). In 2024 Medicare paid $123,877 for 311 patients, and Part D covered 732 of their prescriptions, 88% of them generic. Otsuka America Pharmaceutical, Inc. was the largest of 8 companies reporting payments in 2025, $294.16 in all, mostly food and beverage.
Overview
| NPI | 1710032255 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 24, 2007 |
| Last updated in NPPES | Feb 14, 2025 |
| Certified by provider | Feb 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 2024-03562 | NC |
| Internal Medicine | 207R00000X | 2024-03562 | 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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 311 |
|---|---|
| Services billed | 1,615 across 22 procedure codes |
| Paid by Medicare | $123,877 |
Part D prescriptions in 2024
| Prescriptions (claims) | 732 · 1,559 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $185,775 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | St. Louis College of Physicians and Surgeons |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- Eastern Nephrology Associates PLLCGoldsboro, NC · 77 clinicians
- Nephrology Associates, PCColumbia, TN · 41 clinicians
Hospital affiliations
- Columbus Regional Healthcare SystemWhiteville, NC
- Novant Health New Hanover Regional Medical CenterWilmington, NC
- Tristar Centennial Medical CenterNashville, TN
- Tristar Horizon Medical CenterDickson, TN
- Tristar Southern Hills Medical CenterNashville, TN
Other facilities
- Dci Clarksville HwyDialysis facility · Nashville, TN
- Dci DicksonDialysis facility · Dickson, TN
- Rcg West NashvilleDialysis facility · Nashville, TN
Industry payments (Open Payments)
- 2025$294.16 · 14 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $62.50 | 3 |
| Astrazeneca Pharmaceuticals LP | $60.66 | 3 |
| Genzyme Corporation | $39.70 | 1 |
| Calliditas Therapeutics US Inc. | $39.62 | 2 |
| Amgen Inc. | $38.99 | 2 |
What the 2025 payments were for
- Food and Beverage$294.16 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Nephrology providers in North Carolina →