Nagaraja R. Sridhar, MD
NPI 1245289016ActiveIndividual· Internal Medicine, Nephrology· Buffalo, NY
Internal Medicine, Nephrology (MD) with Buffalo Medical Group, P.C., practicing in Buffalo, New York. Their prescriptions cost Medicare Part D more than their services did: $1,751,898 for 8,876 claims, against $241,187 paid for services in 2024. Aurinia Pharma U.S., Inc. was the largest of 2 companies reporting payments in 2025, $43.86 in all, mostly food and beverage. Lists Erie County Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1245289016 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Dec 14, 2021 |
| Certified by provider | Dec 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 200509-1 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 449 |
|---|---|
| Services billed | 7,426 across 57 procedure codes |
| Paid by Medicare | $241,187 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,876 · 13,931 30-day fills |
|---|---|
| Patients | 786 |
| Total drug cost | $1,751,898 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Buffalo Medical Group, P.C.Williamsville, NY · 236 clinicians
Hospital affiliations
- Erie County Medical CenterBuffalo, NY
- Kaleida HealthBuffalo, NY
- Mercy Hospital of BuffaloBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Other facilities
- Davita Northtowns Dialysis CenterDialysis facility · Tonawanda, NY
- Davita Renal Care of BuffaloDialysis facility · West Seneca, NY
- Davita Southtowns DialysisDialysis facility · Hamburg, NY
- Davita Suburban DialysisDialysis facility · Amherst, NY
- Erie County Medical CenterDialysis facility · Buffalo, NY
Industry payments (Open Payments)
- 2025$43.86 · 10 payments from 2 companies
- 2024$136.47 · 24 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aurinia Pharma U.S., Inc. | $23.80 | 1 |
| Travere Therapeutics, Inc. | $20.06 | 9 |
What the 2025 payments were for
- Food and Beverage$23.80 · 1 payment
- Education$20.06 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 nephrologists in Buffalo · All nephrologists in New York