Meet Our Medical Contributors

Dinesh K. Chatoth, MD, FASN
Chief Clinical Officer, Fresenius Kidney Care
Dr. Chatoth joined Fresenius Medical Care in 2016, where he serves as the Chief Clinical Officer for Fresenius Kidney Care and currently chairs the Pharmacy and Therapeutics Committee. Previously, he co-chaired the Divisional Medical Advisory Board and served as Associate Chief Medical Officer. Dr. Chatoth previously led Georgia Nephrology as President and CEO. He also worked as Assistant Professor of Medicine and was Director of the Home Dialysis Program at the University of Arkansas for Medical Sciences. Dr. Chatoth has collaborated with the KDOQI workgroup for peritoneal dialysis and served on the Technical Expert Panel for the Centers for Medicare and Medicaid Services. He holds a medical degree from Maulana Azad Medical College, completed his residency at Montefiore Medical Center, and finished a nephrology fellowship at the University of Texas Southwestern Medical Center.

Anna Chew, MPH, RD, CSR
Vice President of Nutrition Services, Fresenius Kidney Care
Anna Chew joined Fresenius Kidney Care in 2014, where she has the privilege of leading a team of over 2,000 dietitians who provide superior care across the kidney disease continuum. Anna started her career as a dietitian, specializing in acute care and nutrition research. Over her career, her passion for supporting people with kidney disease grew. She is a registered dietitian and a board-certified specialist in renal nutrition. Anna also earned a Master of Public Health in epidemiology from San Diego State University and a Bachelor of Science in nutrition from California Polytechnic State University—San Luis Obispo.

Lorien S. Dalrymple, MD, MPH
Senior Vice President and Head of Population Health and Medicine, Global Medical Office, Fresenius Medical Care
Dr. Dalrymple has been with Fresenius Medical Care since 2016. In her current role, she leads work related to measuring healthcare quality and reducing health disparities. Prior to joining Fresenius Medical Care, she was an Associate Professor of Medicine at the University of California Davis. She has served as co-chair for the National Quality Forum Renal Standing Committee and co-chair for the Kidney Health Initiative ESKD Data Standards Project. She has served on Technical Expert Panels for the Centers for Medicare and Medicaid Services. A board-certified nephrologist, Dr. Dalrymple holds a medical degree from the University of Colorado and completed her residency in internal medicine and a nephrology fellowship at the University of Washington. She also holds a Master of Public Health from the University of Washington and a Bachelor of Science from Duke University.

Melissa Silva, MSN, RN, CNML
Vice President of Clinical Engagement Strategies, Fresenius Kidney Care
Melissa Silva joined Fresenius Kidney Care in 2018 with over 20 years of acute care nursing experience. As Vice President of Clinical Engagement Strategies, she oversees employee and patient experiences, including the CARE Award program, clinical support team, patient grievances, and the clinical services resource line. Melissa has held numerous nursing leadership roles, including Director of Immediate and Critical Care Services, and has been an active member of the American Nephrology Nurses Association since 2018. She holds a Master of Science in nursing with a focus on leadership in health systems management, as well as a Bachelor and Associate of Science in nursing, from Rivier University.

