Susan Williams, MS, MD, CCD, FACN, FACP
- Endocrine Metabolism Institute
- Endocrine Calcium Clinic
- Department of Endocrinology, Diabetes and Metabolism
- Cleveland Clinic
Juan Calle, MD
- Glickman Urological & Kidney Institute
- Kidney Stone Clinic
- Department of Nephrology and Hypertension
- Cleveland Clinic
Vitamin D and parathyroid hormone help to regulate the level of calcium absorbed by the body and eliminated by the kidneys. Calcium recommendations for those with chronic kidney disease are different than the normal population, and an increase in parathyroid hormone (PTH) is commonly seen in those with kidney failure. Join metabolic bone specialist Dr. Susan Williams and nephrologist Dr. Juan Calle online for answers to your questions concerning the link between calcium disorders and kidney and parathyroid disease.
Dr. Williams is a specialist in the Endocrine Calcium Clinic, and a staff physician in the Endocrinology & Metabolism Institute. She is board-certified in internal medicine, nutrition, obesity medicine, nutrition support and bone densitometry. Dr. Williams obtained her master’s degree from the University of Rhode Island in human and clinical nutrition. She completed the U.S. Air Force internship in clinical nutrition, and served as an officer, nutrition professional and reservist in the U.S. Air Force. She later went on to attend medical school at the Wright State University School of Medicine, residency in the Kettering Medical Center Network and a fellowship in clinical nutrition and metabolism at the Cleveland Clinic. Dr. William’s specialty interests include bone and mineral metabolism, metabolic bone disease, calcium disorders, malabsorption and malnutrition in adults, and medical bariatrics.
Dr. Juan Calle is a nephrologist within Glickman Urological & Kidney Institute’s Department of Nephrology and Hypertension. Dr. Calle completed medical school at the Instituto de Ciencias de la Salud CES in Colombia. Additionally, he completed his residency in internal medicine at Mount Sinai Medical Center and a fellowship in nephrology and hypertension at Mayo Clinic. Dr. Calle is board certified in internal medicine and nephrology. His specialty interests include kidney stones, hypertension and glomerulonephritis. He is currently the co-director of the Kidney Stone Clinic at the Cleveland Clinic, a unique collaborative effort within nephrology and urology for the management of patients with kidney stones.
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