William Lukash, a former White House physician who treated four presidents, died in California Tuesday. He was 67.

The cause of death was not known.As chairman of gastroenterology for the Naval Medical Center in Bethesda, Maryland, from 1966 to 1981, Lukash treated Presidents Lyndon Johnson, Richard Nixon, Gerald Ford and Jimmy Carter.

After retiring from the Navy as a rear admiral in 1981, he was hired by the Scripps Clinic and Research Foundation in La Jolla, Calif., to head up a new preventive medicine department.

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