John Stephen Gerig, M.D.
NPI 1477550440ActiveIndividual· Internal Medicine, Nephrology· Concord, NC
Internal Medicine, Nephrology (M.D.) in Concord, North Carolina, licensed in NC, with an NPI issued in July 2005. Part D covered 96 prescriptions written in 2024, 99% of them generic. Genentech, Inc. reported $53.45 in payments in 2025, mostly education.
Overview
| NPI | 1477550440 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2005 |
| Last updated in NPPES | Jul 6, 2023 |
| Certified by provider | Jul 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 9800544 | 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 - Nephrology (NC) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 194 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $4,819 |
| Generic share | 99% of claims |
Industry payments (Open Payments)
- 2025$53.45 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $53.45 | 1 |
What the 2025 payments were for
- Education$53.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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