Dr Ryan Choo Rui-En is a Senior Consultant at the Department of Renal Medicine at Tan Tock Seng Hospital (TTSH). Dr Choo has interest in general nephrology as well as peritoneal dialysis.

Dr Choo graduated from the National University of Singapore (NUS) and achieved specialist accreditation in Renal Medicine following completion of residency under NHG Health. He is a member of the Royal College of Physicians (United Kingdom).

Dr Choo's clinical practice encompasses comprehensive renal care, with particular expertise in peritoneal dialysis. He serves as a consultant for the hospital's Peritoneal Dialysis Programme, where he assesses new patients and provides ongoing care for those in the programme. He performs procedures to initiate and maintain peritoneal dialysis access for patients.

Dr Choo is dedicated to providing comprehensive, evidence-based renal care whilst advancing the field through research, education, and quality improvement initiatives.