Serving the Southside of Atlanta for over 25 years! 


Our Board-Certified Physicians specialize in the evaluation and treatment of early to advanced kidney diseases.

  • Acute and Chronic Kidney Disease (CKD)
  • Proteinuria and Hematuria
  • Hypertension
  • Diabetic Kidney Disease
  • Lupus Nephritis
  • Polycystic Kidney
  • Electrolyte and Acid/Base Disorders
  • Post Kidney Transplant Follow-up
  • End Stage Renal Disease (ESRD)
  • Hemodialysis & Peritoneal Dialysis 


Meet Our Providers

Dr. Kassem is the company’s founding physician and CEO. He is board certified in Nephrology as well as Internal Medicine and has been practicing in the South Atlanta area for over 25 years. Dr. Kassem graduated from University of Damascus Faculty of Medicine in 1986 and completed a residency at Western Reserve Care System. In addition to practicing at Southside Kidney Clinics, Dr. Kassem is also the acting Medical Director for Renal Management. He is currently affiliated with Emory, the Piedmont Network, WellStar Spalding Regional, and Southern Regional Medical Center.

Dr. Obeid is a practicing Nephrologist on the southside of Atlanta, Georgia. He graduated from the University of Damascus in 2008 and completed his residency at the University Of Kansas School Of Medicine, and a fellowship at University of California.  Dr. Obeid also specializes in internal medicine and has been in practice for over a decade.  Dr. Obeid is affiliated with Piedmont Hospital System, Wellstar Spalding Regional Hospital, Southern Regional Medical Center, and Northside Hospital.

Dr. Khan completed his nephrology fellowship from the University of Southern California in Los Angeles, CA where he also completed his internal medicine residency. After completing his fellowship, Dr. Khan practiced nephrology in the desert resort towns of southern California including Palm Springs and Rancho Mirage before moving to the south Atlanta metropolitan area to join our team. Dr. Khan is double board certified in internal medicine and nephrology and is also a transplant specialist. Dr. Khan specializes in chronic and acute kidney diseases, hypertension, electrolyte disorders, dialysis including hemodialysis, peritoneal dialysis, and continuous renal replacement therapy.

Nicole Johnson is a Nurse Practitioner at Southside Kidney Clinics and Renal management dialysis clinics. Nicole has been serving patients with our practice since 2009. When away from work, she enjoys spending time with her children including her twins which brings her so much joy! Nicole received her BSN and MSN from Emory University in 2005. 

Lawrence Bryant joined Southside Kidney Clinics as a Nurse Practitioner in the Spring of 2013. He obtained his Bachelor of Science in Nursing degree in 2008. He then earned his Master of Science in Nursing in 2012. He completed both degrees, with honors, from the University of Arkansas for Medical Sciences College of Nursing in Little Rock, Arkansas. He is board certified as an Adult-Gerontology Acute Care Nurse Practitioner.