Arthur R. Henderson, 82, a psychiatrist who worked at several hospitals and had a private practice in Washington, died July 9 at his home at Leisure World in Silver Spring. He had Alzheimer's disease.

Dr. Henderson came to Washington in the 1940s to study at Howard University, from which he received a bachelor's degree in pharmacy in 1947. He operated his own pharmacy in the Shaw neighborhood of Washington for two years and later worked as a pharmacist at other Washington drugstores.

He then decided to become a doctor, graduating in 1956 from Meharry Medical College in Nashville. Following an internship in McKeesport, Pa., he stayed in the western Pennsylvania city and had a general medical practice from 1957 to 1962. He also was a founding member and president of the McKeesport chapter of the NAACP.

Dr. Henderson began to specialize in psychiatry in 1965, after serving a residency at the Western Psychiatric Institute at the University of Pittsburgh medical school. He was an instructor at the school in 1965.

In 1966, he returned to Washington as assistant chief of acute psychiatry at D.C. General Hospital. He was appointed attending psychiatrist at Washington Hospital Center the same year and also opened a private psychiatric practice in the District.

Over the years, Dr. Henderson was chairman of the psychiatry departments at Washington Hospital Center, Providence Hospital and Cafritz Hospital. From 1992 to 1994, he was president of Providence Hospital's medical and dental staffs.

In 1972, Dr. Henderson and two colleagues founded Psychiatric Center Chartered Inc., a clinic specializing in psychiatric assessments, evaluations and treatments. He was president and clinical director until his retirement in 2000.

He also served as psychiatric consultant to the Downtown Cluster's geriatric program, the Ionia R. Whipper Home and the Residential Manpower Center of the Job Corps. During the mid-1970s, he was a member of the grievance committee and the mental health committee of the D.C. Medical Society.

Dr. Henderson was born in Vicksburg, Miss. He received his first bachelor's degree in 1944, graduating magna cum laude from Morehouse College in Atlanta.

He received many honors for his work in medicine and civil rights and belonged to numerous medical and professional associations. He lectured extensively to medical groups on such topics as suicide prevention, psychotic patients, vocational rehabilitation, psychiatric aspects of racial discrimination, biofeedback and hypnosis.

He lived in the District until moving to Leisure World in 2002. He was a member of St. Luke's United Methodist Church in Washington and later attended the Inter-Faith Chapel at Leisure World.

Survivors include his wife of 50 years, Shirley Statom Henderson of Silver Spring; four children, Sheila H. Jones of Atlanta, Arthur R. Henderson Jr. of Arlington and Linda H. Burke and Edwin A. Henderson, both of Silver Spring; and four grandchildren.

Arthur Henderson worked at D.C. hospitals and had a private practice.