Dr. Parekh started the first dedicated department of PVES in Delhi over 20 years ago- which was the first department to be recognized by the national board of examiners/DNB for fellowship in PVES. Was approved the national convener for this teaching programme by the National Board of Examiners. Elected Secretary and now Vice President of the International Society for Vascular Surgery (USA).
He is a member of Elected Vice President of International Society for Vascular Surgery (USA), 2010, Elected Secretary of International Society for Vascular Surgery (ISVS), USA- 2007, Founder & Life Member of Vascular Society of India (VSI) 1997, Founder & Executive Committee Member of Endovascular Intervention Society of India (EISI), Member of the European Society of Vascular Surgery (ESVS) and National Convener for the Fellowship programme in Vascular Surgery of the National Board of Examiners, New Delhi now upgraded to Diploma in Peripheral Vascular & Endovascular Surgery. Some of the services provided by the doctor are: Endovascular Interventions, Endovascular Repair of Aneurysm, Carotid Surgery, Peripheral Vascular & Endovascular Surgery and Vascular Trauma etc.