Chitra Nathan, M.D.
NPI 1013119288ActiveIndividual· Internal Medicine, Nephrology· Greenville, SC
Internal Medicine, Nephrology (M.D.) with Carolina Nephrology PA, practicing in Greenville, South Carolina. In 2024 Medicare paid $111,728 for 412 patients, and Part D covered 879 of their prescriptions, 89% of them generic. Calliditas Therapeutics US Inc. was the largest of 20 companies reporting payments in 2025, $1,049 in all, mostly food and beverage. Lists Prisma Health Greenville Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1013119288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2007 |
| Last updated in NPPES | Jul 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 38526 | 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 | 412 |
|---|---|
| Services billed | 2,071 across 34 procedure codes |
| Paid by Medicare | $111,728 |
Part D prescriptions in 2024
| Prescriptions (claims) | 879 · 1,794 30-day fills |
|---|---|
| Patients | 217 |
| Total drug cost | $90,184 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Carolina Nephrology PAGreenville, SC · 37 clinicians
Hospital affiliations
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Hillcrest HospitalSimpsonville, SC
- St Francis-DowntownGreenville, SC
Other facilities
- Davita Fountain Inn DialysisDialysis facility · Fountain Inn, SC
Industry payments (Open Payments)
- 2025$1,049 · 47 payments from 20 companies
- 2024$702.61 · 33 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $169.19 | 6 |
| Travere Therapeutics, Inc. | $112.52 | 6 |
| Amgen Inc. | $104.79 | 5 |
| Novartis Pharmaceuticals Corporation | $97.67 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $84.21 | 4 |
What the 2025 payments were for
- Food and Beverage$1,049 · 47 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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