Duane C. Richtmeyer, 89, a Washington area physician who retired in 1973 as chief of surgery at Sibley Memorial Hospital, died of lymphoma June 15 at Sacred Heart Hospital in Cumberland, Md.

Dr. Richtmeyer had a private practice in general surgery, with offices in Washington and Northern Virginia, for almost 40 years before retiring.

He was an assistant clinical professor of surgery at Georgetown University Hospital, and he served on the board of the D.C. Medical Society.

Dr. Richtmeyer was born in Cueymans, N.Y., and moved to what now is Fort Belvoir as a teenager. He graduated from George Washington High School in Alexandria and, in 1932, from George Washington University Medical School.

The following year, he received a bachelor's degree from George Washington University. He completed a fellowship in pathology at GWU, then served there early in his career as an assistant professor of pathology.

He was a member of the Southern Medical Society, a former president of the Washington Academy of Surgery and a fellow of the International College of Surgeons and the American College of Surgeons.

His avocations included golf. In 1975 and again in 1976, he made holes-in-one on the 12th hole at Williamsburg Country Club. Earlier, he was a member of the Washington Golf and Country Club in Arlington. He was also a gardener, tennis player, surf fisherman and traveler.

On retiring, Dr. Richtmeyer moved to Newport News, Va. Since 1993, he had lived in Cumberland.

His first wife, Margaret Richtmeyer, died in 1972.

Survivors include his wife of 25 years, Betty Weatherholt Richtmeyer of Cumberland; their son, Andrew, of Cumberland; three children from his first marriage, Robert, of Connecticut, and Anne Corliss and Janet McPherson, both of Newport News; two stepsons, Jerry Holloway of Michigan and Eric Holloway of Ohio; and five grandchildren.