Dr. Charles Willis Callahan, DO

Pulmonology · Washington, DC

Practice location

Address

WALTER REED ARMY MEDICAL CENTER, Washington, DC 20907

Phone

(202) 782-8397

Specialties

• Pulmonology – Doctors who diagnose and treat conditions of the lungs and airways.

About

Dr. Charles Willis Callahan, DO is a pulmonology provider based in Washington, DC. Profile information is sourced from the National Provider Identifier (NPI) registry.