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Meet Our Providers

Dr. Rene Mackay

Dr. Mackay was born in San Pedro Sula, Honduras, where he graduated from medical school. He completed his internal medicine training at Metropolitan Hospital, as well as his nephrology fellowship at Our Lady of Mercy Hospital, both part of New York Medical College in New York City. He is board certified in nephrology and internal medicine.


Dr. Mackay and his family moved to Athens, GA in 2006, where he has been serving the community and surrounding areas in both nephrology and internal medicine ever since.

Dr. Julio E. Pena

Dr. Pena joined Georgia Kidney Consultants on July 18, 2016. Originally from the Dominican Republic, Dr. Pena finished his nephrology studies in Pittsburgh, Pennsylvania. He has extensive knowledge in both nephrology and internal medicine. 

Pontifica Universidad Catolica Madre y Maestra – Doctor of Medicine

Yale New Haven Hospital – Internal Medicine Residency

University of Pittsburgh Medical Center – Nephrology Fellowship

Emily K. Waldron, NP-C

Emily Waldron joined Georgia Kidney Consultants in June of 2018. She graduated from The Pennsylvania State University in 2002 and relocated to Athens a short time later. She started her career on the nursing staff at St. Mary’s Hospital. She completed her Family Nurse Practitioner degree at Frontier Nursing University in Hyden, Kentucky.

1360 Caduceus Way Bldg# 400-104 
Watkinsville, GA 30677

Kidney Doctor Athens, GA

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