Thangamani Muthukumar, M.D., M.S., is an Associate Professor of Medicine at the Weill Cornell Medical College and an Associate Attending Physician at the NewYork-Presbyterian Hospital. He is the associate director (research) for the nephrology fellowship program at Cornell. He is board certified in internal medicine and nephrology.

Dr. Muthukumar trained as a nephrologist in India and again in the U.S.A. He graduated from the Madras Medical College, Chennai (Madras), India and after residency in medicine, completed his nephrology fellowship at the Post Graduate Institute of Medical Education and Research, Chandigarh, India. He joined as a research fellow at Cornell in 2001, in the transplantation immunology research laboratory of Dr. Manikkam Suthanthiran, Stanton Griffis Distinguished Professor of Medicine.

Dr. Muthukumar subsequently did his residency in medicine and fellowship in nephrology at the New York Presbyterian Hospital-Cornell, and upon completion, joined the faculty at Cornell in 2009. He also serves as a nephrology consultant at the Memorial Sloan Kettering Cancer Center and at the Hospital for Special Surgery.

Dr. Muthukumar's research is primarily focused on the molecular aspects of kidney transplant rejection. He has published extensively in this area and is supported by grants from the National Institutes of Health and from the American Society of Transplantation. Dr. Muthukumar has also received advanced training in research methodology and graduated from the Weill Cornell Graduate School of Medical Sciences with a master's degree in clinical and translational investigation.

He is as a Fellow of the American Society of Transplantation (FAST) and the American Society of Nephrology (FASN).