Dr Mehta is a Professor Emeritus of Medicine at University of California San Diego where he directs the UCSD Masters in Clinical Research Program and is the Clinical Core PI of the NIH funded UAB/UCSD O’Brien Center for AKI research. He chairs the annual International AKI and CRRT Conference in San Diego that is in its 29th year in 2024. He is a founding member of the Acute Dialysis Quality Initiative (ADQI) and the Acute Kidney Injury network (AKIN). His research has informed the development of the KDIGO guidelines for AKI.

He has spearheaded several innovative multicenter studies on AKI including the International Society of Nephrology (ISN) AKI 0by25 project. He received the ISN Bywaters Award for lifetime achievement in AKI in 2011 and in 2020 the ISN honored him by establishing a fellowship in AKI in his name. He received the M.B.B.S. degree (1976) from the Government Medical School in Amritsar, India, and the M.D. (1979) and D.M. (1981) degrees from the Post Graduate Institute of Medical Education and Research in Chandigarh, India. He obtained his boards in Internal Medicine (1986) and Nephrology (1988) at the University of Rochester in Rochester New York.  He has been on the faculty at San Diego since 1988.