John Kaznaki Maesaka, MD

John Maesaka

Title: Nephrologist, Professor of Medicine
Company: NYU Langone, Long Island School of Medicine
Location: New York, New York, United States

John Kaznaki Maesaka, MD, Nephrologist, Professor of Medicine at NYU Langone, Long Island School of Medicine, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in Medicine.

Dr. Maesaka has been treating patients with kidney conditions since 1978, mainly in New York and New Jersey. Since 2005, he has served as Emeritus Chief of the Division of Nephrology and  Hypertension in the Department of Medicine at  NYU Hospital-Long Island. He previously utilized his skills and expertise to teach as a Professor in the School of Medicine at Stony Brook University from 1997 to 2019, and serve as the Chief of Nephrology at Winthrop Hospital, from 1994 to 2005. Dr. Maesaka’s claim to fame is his patent on a blood test for Alzheimer’s disease, and his work has been supported by grants from the American Heart Association. He is a recipient of the Albert Nelson Marquis Lifetime Achievement Award, and appeared in the fifth edition of Who’s Who in Science and Engineering.

An alumnus of Harvard College, Dr. Maesaka earned a BS in 1957 and went to Boston University to receive an MD in 1961. He served from 1963 to 1965 to the rank of captain of the U.S. Army, and in 1978 he was named chair of the section of nephrology at the Veterans Affairs Medical Center of East Orange, NJ. He taught at the University of Medicine & Dentistry of New Jersey, now part of Rutgers, the State University of New Jersey, from 1980 to 1985. That year, Dr. Maesaka was named chief of nephrology with the Long Island Jewish Medical Center, where he served until 1994.

Dr. Maesaka is a member of the American Society of Nephrology, the American Federation of Clinical Research, and the New York Society of Nephrology. He has contributed to numerous societies in the area, including the National Kidney Foundation and the International Juvenile Diabetes Foundation. He is originally from Hawaii, and married Martha Haruko Tanaka in July of 1963. Dr. Maesaka credits his parents for his success, and he now has two children of his own, Alan Kazumi and Robert Kazuyuki.

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