Brian Charles Erb, M.D.
NPI 1659469559ActiveIndividual· Internal Medicine, Nephrology· Rock Hill, SC
Internal Medicine, Nephrology (M.D.) with Nephrology Associates PA, practicing in Rock Hill, South Carolina. In 2024 Medicare paid $186,832 for 581 patients, and Part D covered 760 of their prescriptions, 87% of them generic. Calliditas Therapeutics US Inc. was the largest of 3 companies reporting payments in 2025, $232.30 in all, mostly food and beverage. Lists Piedmont Medical Center as a hospital affiliation.
Overview
| NPI | 1659469559 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 10, 2006 |
| 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 | 19730 | SC |
| Internal Medicine | 207R00000X | 19730 | SC |
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 (NC); Practitioner - Nephrology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 581 |
|---|---|
| Services billed | 2,338 across 29 procedure codes |
| Paid by Medicare | $186,832 |
Part D prescriptions in 2024
| Prescriptions (claims) | 760 · 1,519 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $109,619 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates PARock Hill, SC · 11 clinicians
Hospital affiliation
- Piedmont Medical CenterRock Hill, SC
Other facilities
- Fmc of Fort MillDialysis facility · Fort Mill, SC
- Fresenius of YorkDialysis facility · York, SC
Industry payments (Open Payments)
- 2025$232.30 · 4 payments from 3 companies
- 2024$313.76 · 7 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $151.62 | 2 |
| Vantive US Healthcare LLC | $50.95 | 1 |
| Lilly USA, LLC | $29.73 | 1 |
What the 2025 payments were for
- Food and Beverage$232.30 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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