Rajendran Alappan, M.D.
NPI 1225024557ActiveIndividual· Internal Medicine, Nephrology· Columbus, GA
Internal Medicine, Nephrology (M.D.) with Renal Associates, LLC and 3 other groups, practicing in Columbus, Georgia. Their prescriptions cost Medicare Part D more than their services did: $324,504 for 1,204 claims, against $133,107 paid for services in 2024. Akebia Therapeutics Inc was the largest of 12 companies reporting payments in 2025, $13,443 in all, mostly speaking and faculty fees. Lists Piedmont Columbus Regional Midtown and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1225024557 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2005 |
| Last updated in NPPES | Dec 16, 2022 |
| Certified by provider | Dec 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 049226 | GA |
| Internal Medicine, Nephrology | 207RN0300X | 23541 | AL |
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 (AL); Practitioner - Nephrology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 477 |
|---|---|
| Services billed | 1,554 across 19 procedure codes |
| Paid by Medicare | $133,107 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,204 · 2,476 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $324,504 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Nephrology |
Medical groups
- Renal Associates, LLCOpelika, AL · 13 clinicians
- Renal Associates of Lagrange LLCLagrange, GA · 12 clinicians
- Renal Associates of Roanoke LLCRoanoke, AL · 9 clinicians
- Renal Associates of Albany, LLCAlbany, GA · 6 clinicians
Hospital affiliations
- Piedmont Columbus Regional MidtownColumbus, GA
- Piedmont Columbus Regional NorthsideColumbus, GA
- St Francis Hospital- Emory HealthcareColumbus, GA
- Warm Springs Medical CenterWarm Springs, GA
- Wellstar West Georgia Medical CenterLagrange, GA
Other facilities
- Columbus Dialysis CenterDialysis facility · Columbus, GA
- Davita Columbus Home Training (Pd/Hhd)Dialysis facility · Columbus, GA
- Davita Opelika Dialysis CenterDialysis facility · Opelika, AL
- Davita Phenix City Dialysis CenterDialysis facility · Phenix City, AL
- Davita Victory DialysisDialysis facility · Columbus, GA
- Rehabilitation Hospital of ColumbusInpatient rehabilitation facility · Columbus, GA
- Rehabilitation Hospital of Phenix CityInpatient rehabilitation facility · Phenix City, AL
Industry payments (Open Payments)
- 2025$13,443 · 55 payments from 12 companies
- 2024$3,956 · 34 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Akebia Therapeutics Inc | $12,811 | 21 |
| Mallinckrodt Hospital Products Inc. | $198.20 | 7 |
| Novo Nordisk Inc | $139.79 | 9 |
| Novartis Pharmaceuticals Corporation | $88.02 | 5 |
| Amgen Inc. | $38.87 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,754 · 8 payments
- Food and Beverage$1,322 · 37 payments
- Travel and Lodging$1,280 · 6 payments
- Education$88.13 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 nephrologists in Columbus · All nephrologists in Georgia