DR. CHARLES WILLIS CALLAHAN, DO
Medical Practice in Washington, DC

License number
DC DOS719
Category
Medical Practice
Type
Pediatric Pulmonology
Address
Address 2
Walter Reed Army Medical Ctr, Washington, DC 20907
13104 Collingwood Ter, Silver Spring, MD 20904
Phone
(202) 782-8397
(202) 782-4914 (Fax)