Dr. Theodore Richard Flaiz, 80, former health director of the General Conference of Seventh-day Adventists in Washington, died Saturday in Portland, Ore.

He had directed the worldwide medical program of the denomination from its headquarters here from 1947 to 1966. He had general supervision of its numerous hospitals and dispensaries throughout the world.

Dr. Flaiz left here in 1966 to go back to India, where he had spent many years as a missionary and a physician. He had been in retirement in recent years.

Born in Medford, Minn., Dr. Flaiz was a graduate of Walla Walla College in the state of Washington. From 1920 to 1932, he had directed the Telegu Mission in India.

He returned to this country in 1933, and earned a medical degree from Loma Linda University in California, where he remained as an assistant to the president until 1939.

Dr. Flaiz then practiced medicine in Washigton state until 1943, when he went back to India for three years, as medical secretary for the southern Asia division of the Seventh-day Adventists.

He is survived by his wife, Vera Killan Flaiz, of the home in Portland; a son, Dr. Theodore R. Flaiz Jr., of Loma Linda; a daughter, June Wilkinson, oof Yakima, Wash., and nine grandchildren.