Douglas A. Shumaker, MD
Specialty: Internal Medicine, Gastroenterology
Also practices: Allergy & Immunology, Allergy
Address: 9701 SW Barnes Rd, Ste 300, Portland, OR 97225-6689 (map)
Phone: (503) 297-8081
NPI: 1225034937
Source: NPPES NPI Registry (U.S. Centers for Medicare & Medicaid Services).