Robert Tetteh Adrah, MD
NPI 1629499785ActiveIndividual· Internal Medicine, Nephrology· Rock Hill, SC
Internal Medicine, Nephrology (MD) with Nephrology Associates PA, practicing in Rock Hill, South Carolina. 469 Medicare patients in 2024, $165,937 paid; nearly all of their 376 Part D prescriptions were generic (93%). Sanofi-Aventis U.S. LLC was the largest of 6 companies reporting payments in 2025, $361.74 in all, mostly food and beverage. Lists Musc Health Lancaster Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1629499785 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 17, 2013 |
| Last updated in NPPES | Feb 5, 2026 |
| Certified by provider | Feb 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 290408 | NY |
| Internal Medicine | 207R00000X | 290408 | NY |
| Hospitalist | 208M00000X | 2021-025667 | NC |
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 - Hospitalist (NC); Practitioner - Nephrology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 469 |
|---|---|
| Services billed | 1,787 across 22 procedure codes |
| Paid by Medicare | $165,937 |
Part D prescriptions in 2024
| Prescriptions (claims) | 376 · 649 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $25,163 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Associates PARock Hill, SC · 11 clinicians
Hospital affiliations
- Musc Health Lancaster Medical CenterLancaster, SC
- Piedmont Medical CenterRock Hill, SC
Other facilities
- Davita Lancaster SC DialysisDialysis facility · Lancaster, SC
- Fresenius Medical Care Fort LawnDialysis facility · Fort Lawn, SC
Industry payments (Open Payments)
- 2025$361.74 · 7 payments from 6 companies
- 2024$325.01 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $110.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $90.07 | 1 |
| Vantive US Healthcare LLC | $50.95 | 1 |
| Travere Therapeutics, Inc. | $47.98 | 2 |
| Ardelyx, Inc. | $31.66 | 1 |
What the 2025 payments were for
- Food and Beverage$361.74 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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