John Mathew Mateczun, MD, MPH, JD

Mateczun, John 3648042_30069273 TP

Title: Career Military Officer

Company: UnitedHealthcare Military & Veterans

Location: Davidsonville, Maryland, United States

John Mathew Mateczun, MD, MPH, JD (Vice Admiral, Medical Corp, USN-Ret), Career Military Officer, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in military medicine.

Since 2014, Dr. Mateczun has been president of UnitedHealthcare Military and Veterans, his latest role as a career military officer and a long-serving doctor with the U.S. Armed Forces. He holds the rank of vice admiral with the medical corps, and has been recognized as a fellow of the American Medical Association and a distinguished member of the American Psychological Association, as well as a recipient of the Albert Nelson Marquis Lifetime Achievement Award and a Marquis Who’s Who Industry Expert. He was featured in the pages of Who’s Who in America, Who’s Who in Medicine and Healthcare, Who’s Who in the East, and Who’s Who in the World. Dr. Mateczun also serves as an associate professor of clinical psychiatry with the Uniformed Services University.

Born to Alfred Joseph and Margaret Ellen Mateczun in Albuquerque, New Mexico, Dr. Mateczun attended the University of New Mexico to receive an MD in 1978, followed by an MPH from the University of California, Berkeley. He went on to serve with the medical corps of the U.S. Navy for 38 years, through the Vietnam and Gulf Wars. He was appointed a division psychiatrist with the 3rd Marine Division in Japan in 1982, and while serving as chairman of psychiatry at the Naval Regional Medical Center in Portsmouth, Virginia, he earned a JD from the Georgetown University Law Center. Ultimately, Dr. Mateczun became one of the most prolific military doctors to serve with the U.S. Navy, with his most recent post as commander of the Joint Task Force of the National Capital Region Medical.

Dr. Mateczun is decorated with a U.S. Navy/Marine Corps Achievement Medal, a Army Commendation Medal, a Navy/Marine Corps Commendation Medal, a Meritorious Medal with Gold Star, a Defense Meritorious Service Medal, a Bronze Star, the Legion of Merit with Three Gold Stars, the Defense Superior Service Medal with Oak Leaf Cluster, the U.S.  Navy Distinguished Service Medal, and the Defense Distinguished Service Medal. He is the recipient of a 2010 Nathan Davis Award from the American Medical Association, and a life member of the Association of Military Surgeons of the U.S., among numerous prestigious societies. Dr. Mateczun is the proud father of Erin Johnson, Adam Johnson, and Laura with his wife, Elizabeth Kathleen Holmes.

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