Istvan Gabor Bognar, MD
NPI 1659354926ActiveIndividual· Internal Medicine, Nephrology· Greenville, SC
Internal Medicine, Nephrology (MD) in Greenville, South Carolina, trained at Morehouse School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $294,633 for 1,118 claims, against $136,869 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 19 companies reporting payments in 2025, $1,529 in all, mostly food and beverage.
Overview
| NPI | 1659354926 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Aug 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 22530 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 437 |
|---|---|
| Services billed | 2,201 across 38 procedure codes |
| Paid by Medicare | $136,869 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,118 · 2,612 30-day fills |
|---|---|
| Patients | 263 |
| Total drug cost | $294,633 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Morehouse School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Carolina Nephrology PAGreenville, SC · 37 clinicians
Hospital affiliations
- Prisma Health Patewood HospitalGreenville, SC
- Prisma Health Baptist Easley HospitalEasley, SC
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Greer Memorial HospitalSpartanburg, SC
- St Francis-DowntownGreenville, SC
Other facilities
- Usrc Pleasantburg DialysisDialysis facility · Greenville, SC
- Usrc Pleasantburg HomeDialysis facility · Greenville, SC
- Usrc Travelers Rest DialysisDialysis facility · Travelers Rest, SC
- Prisma Health North Greenville LtachLong-term care hospital · Travelers Rest, SC
Industry payments (Open Payments)
- 2025$1,529 · 64 payments from 19 companies
- 2024$1,323 · 55 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $465.41 | 20 |
| Amgen Inc. | $254.01 | 15 |
| Mallinckrodt Hospital Products Inc. | $132.38 | 2 |
| Outset Medical Inc | $106.96 | 1 |
| Travere Therapeutics, Inc. | $79.62 | 3 |
What the 2025 payments were for
- Food and Beverage$1,529 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Greenville
- 1679557516
- 1659654002
- 1609987825
- 1669603247
- 1922081298
- 1538142807
- 1881689966
- 1114423522
- 1871756890
- 1558344820
- 1285895540
- 1881823276
All Internal Medicine, Nephrology providers in South Carolina →