Ramalakshmi Santhanam, MD
NPI 1164099503ActiveIndividual· Internal Medicine, Nephrology· Conway, SC
Internal Medicine, Nephrology (MD) with Coastal Kidney Center PA, practicing in Conway, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $387,574 for 1,868 claims, against $197,797 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $90.34 in all, mostly food and beverage. Lists Conway Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1164099503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 4, 2021 |
| Last updated in NPPES | Oct 20, 2021 |
| Certified by provider | Oct 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 86789 | SC |
| Internal Medicine, Nephrology | 207RN0300X | MD417540 | PA |
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 | 566 |
|---|---|
| Services billed | 1,277 across 18 procedure codes |
| Paid by Medicare | $197,797 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,868 · 3,757 30-day fills |
|---|---|
| Patients | 438 |
| Total drug cost | $387,574 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Coastal Kidney Center PAConway, SC · 7 clinicians
Hospital affiliations
- Conway Medical CenterConway, SC
- Grand Strand Regional Medical CenterMyrtle Beach, SC
- McLeod Loris HospitalLoris, SC
- McLeod Regional Medical Center-Pee DeeFlorence, SC
- Tidelands Waccamaw Community HospitalMurrells Inlet, SC
Other facilities
- Fmc Conway Dialysis CenterDialysis facility · Conway, SC
- Conway Medical CenterInpatient rehabilitation facility · Conway, SC
Industry payments (Open Payments)
- 2025$90.34 · 3 payments from 3 companies
- 2024$43.18 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $34.78 | 1 |
| Alexion Pharmaceuticals, Inc. | $34.52 | 1 |
| Novo Nordisk Inc | $21.04 | 1 |
What the 2025 payments were for
- Food and Beverage$90.34 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Conway
- 1801961537
- 1699840322
- 1770658494
- 1679148340
- 1992366736
All Internal Medicine, Nephrology providers in South Carolina →