RENE BENJAMIN MACKAY (M.D.) – Nephrology Physician, NPI 1285652990
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
431 NEPHROLOGY in GA
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Provider Addresses for RENE BENJAMIN MACKAY (M.D.)
650, Oglethorpe Avenue, Normaltown, Athens, Athens-Clarke County, Georgia, 30606, United States
SUITE #4
ATHENS, GA 306062216
Phone: (706) 850-8135
Fax: (706) 548-9101
Type: Location
1360 CADUCEUS WAY BLDG 400-104
WATKINSVILLE, GA 30677
Phone: (706) 850-8135
Fax: (706) 548-9101
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 53 Open Payments records for all available years, with a total value of $858.
Total Amount is formed as General ($858) + Research ($0) + Ownership ($0) = $858.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Amgen Inc. ($192).
Total Amount
$858
General + Research + Ownership
Payments
53
Total payment records
General Amount
$858
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $192 |
| Travere Therapeutics, Inc. | $156 |
| AstraZeneca Pharmaceuticals LP | $74 |
| Fresenius USA Marketing, Inc. | $54 |
| Horizon Therapeutics plc | $51 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-06-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050614000532 | I | Nephrology | GA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 735 | 170 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 475 | 315 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 313 | 265 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 142 | 120 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 136 | 42 | $0 |
Insurance plans in this area (ZIP 30606)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | GA | |
| Internal Medicine, Neurology | GA |
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