Dr. Mark R. Johnson

Mark Johnson, MD, is a nephrologist with Atlantic Medical Group Nephrology at Morristown. Board-certified in internal medicine and nephrology by the American Board of Internal Medicine, he completed fellowship-training in nephrology. His practice focuses on diagnosing, treating, and managing diseases and complications affecting the kidneys.With nearly 20 years of clinical experience, including over 10 years as an attending hospitalist at Morristown Medical Center, Dr. Johnson understands that kidney disease can have a profound impact on patients. His practice focuses on kidney functioning and diseases and conditions that can affect kidney health such as kidney stones, chronic kidney disease and high blood pressure. Dr. Johnson is dedicated to treating underlying disease to help patients maintain an active and healthy lifestyle while preserving kidney health. He employs a patient-centered approach to delivering the highest quality care and takes the time to educate patients and loved ones on the options available for treatment.After earning his degree from New York University School of Medicine, Dr. Johnson completed his residency at the Mount Sinai School of Medicine, NYC, and subsequently pursued fellowship training at Montefiore Medical Center/Albert Einstein College of Medicine, NYC. Dr. Johnson is a participating provider of the Atlantic Accountable Care Organization.

Dr. Johnson is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Acute Kidney Failure, Necrosis, Low Sodium Level, Gastrostomy, and Endoscopy.