Quick answers
- Which hospitals does Rene B. Mackay work at?
- Medicare's official clinician data lists Rene B. Mackay at 5 hospitals: Piedmont Athens Regional Medical Center, Piedmont Newton Hospital, Piedmont Walton Hospital, St Mary's Hospital and St Marys Good Samaritan Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Rene B. Mackay see patients?
- Medicare's clinician data lists 2 practice locations, including Watkinsville, GA. Call before your visit to confirm the address.
- What is Rene B. Mackay's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Rene B. Mackay accept Medicare assignment?
- Yes. Medicare's clinician data says Rene B. Mackay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Rene B. Mackay?
- (706) 850-8135, as listed in official Medicare / NPI Registry data.
- What is Rene B. Mackay's NPI number?
- 1285652990. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Rene B. Mackay works
Medicare's Facility Affiliation Data lists Rene B. Mackay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Piedmont Athens Regional Medical CenterAthens, GA · Acute Care Hospital · CCN 110074
- Piedmont Newton HospitalCovington, GA · Acute Care Hospital · CCN 110018
- Piedmont Walton HospitalMonroe, GA · Acute Care Hospital · CCN 110046
- St Mary's HospitalAthens, GA · Acute Care Hospital · CCN 110006
- St Marys Good Samaritan HospitalGreensboro, GA · Critical Access Hospital · CCN 111329
Practice locations
Addresses where Rene B. Mackay is enrolled with Medicare (CMS data updated 2026-10-02).
- 1360 Caduceus, Suite 104Watkinsville, GA 30677
- 1360 Caduceus Way, Bldg 400 104Watkinsville, GA 30677 (706) 850‑8135
Group practices
Medicare enrollment lists Rene B. Mackay as a member of this group (CMS data updated 2026-10-02).
- Georgia Kidney Consultants LLC3 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Georgia
Clinicians with the same Medicare primary specialty in Georgia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285652990 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians