Rene Benjamin Mackay, M.D.
NPI 1285652990ActiveIndividual· Internal Medicine, Nephrology· Athens, GA
Internal Medicine, Nephrology (M.D.) with Georgia Kidney Consultants LLC, practicing in Athens, Georgia. In 2024 Medicare paid $196,697 for 669 patients, and Part D covered 1,170 of their prescriptions, 82% of them generic. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $656.49 in all, mostly food and beverage. Lists Piedmont Athens Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1285652990 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | May 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 051680 | GA |
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 (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 669 |
|---|---|
| Services billed | 1,992 across 20 procedure codes |
| Paid by Medicare | $196,697 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,170 · 2,559 30-day fills |
|---|---|
| Patients | 295 |
| Total drug cost | $249,297 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Georgia Kidney Consultants LLCWatkinsville, GA · 3 clinicians
Hospital affiliations
- Piedmont Athens Regional Medical CenterAthens, GA
- Piedmont Newton HospitalCovington, GA
- Piedmont Walton HospitalMonroe, GA
- St Mary's HospitalAthens, GA
- St Marys Good Samaritan HospitalGreensboro, GA
Other facilities
- Davita Athens East DialysisDialysis facility · Athens, GA
- Davita Athens West DialysisDialysis facility · Watkinsville, GA
- Davita Classic City DialysisDialysis facility · Athens, GA
- Davita Walton County DialysisDialysis facility · Monroe, GA
Industry payments (Open Payments)
- 2025$656.49 · 31 payments from 13 companies
- 2024$476.33 · 32 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $124.19 | 6 |
| Novartis Pharmaceuticals Corporation | $114.51 | 5 |
| Mallinckrodt Hospital Products Inc. | $93.26 | 1 |
| Calliditas Therapeutics US Inc. | $73.54 | 3 |
| Travere Therapeutics, Inc. | $71.37 | 6 |
What the 2025 payments were for
- Food and Beverage$651.51 · 28 payments
- Education$4.98 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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