HOME SERVICES CONTACT LOCATIONS PATIENT FORMS MORE Nephrology Associates, PC Dr Diamond attended the University of Health Sciences, College of Osteopathic Medicine in Kansas City, MO. He completed his Internship and Residency in Internal Medicine, as well as a Fellowship in Nephrology, at The Medical College of Georgia in Augusta, GA. He is board-certified in Nephrology, as well as Internal Medicine. He also holds certification as a Fellow of the American College of Nephrology (FASN) and the American College of Physicians (FACP). Prior to joining Nephrology Associates, Dr Diamond was a Professor of Medicine at The Medical College of Georgia, where he participated in groundbreaking clinical trials, as well as the education of our future physicians. He has a particular clinical interest in hypertension management and glomerular disease.

HOME SERVICES CONTACT LOCATIONS PATIENT FORMS MORE Nephrology Associates, PC Dr. Smith received his Bachelor’s Degree and Degree in Medicine from The Ohio State University in Columbus. He began his post-graduate training in Augusta at The Medical College of Georgia and, after finishing his Internal Medicine training, completed a two-year Fellowship in Nephrology. He is Board Certified in both Internal Medicine and Nephrology. Dr. Smith practiced Nephrology for three years in Greenville, South Carolina before relocating. Mark Smith, MD Healthgrades.com

HOME SERVICES CONTACT LOCATIONS PATIENT FORMS MORE Nephrology Associates, PC Dr. Brezina is a native of Georgia. He majored in Chemistry at Wheaton College then subsequently received his medical degree from the Medical College of Georgia. Dr. Brezina completed his Internal Medicine Residency at the Keesler Medical Center, Keesler Air Force Base in Mississippi and Nephrology Fellowship at Wilford Hall Medical Center, Lackland Air Force Base in Texas. While on active duty, he was an Assistant Professor of Medicine at Wilford Hall and University of Texas Health Science Center in San Antonio. After an honorable discharge from the Air Force, he joined Nephrology Associates, PC in Augusta, Georgia where he serves as the President and Managing Partner. Dr. Brezina is Board Certified in Internal Medicine and Nephrology. His areas of interest are Acute Kidney Injury, Glomerulonephritis, and Dialysis. He is married and has 5 childrenand enjoys spending time with his family, gardening, travel, and college football. Barton Brezina, MD Healthgrades.com

HOME SERVICES CONTACT LOCATIONS PATIENT FORMS MORE Nephrology Associates, PC Dr. Ryan Altenburg attended Arizona College of Osteopathic Medicine in Glendale, AZ. He completed his Internship and Residency at Brooke Army Medical Center in San Antonio, TX. Dr. Altenburg then completed his Nephrology Fellowship at Walter Reed National Military Medical Center in Washington, D.C. He is board-certified in Nephrology, as well as Internal Medicine. Prior to joining Nephrology Associates, Dr. Altenburg served as a Nephrologist at Dwight D. Eisenhower Army Medical Center at Fort Gordon.