Dr. Shumaker is on Doximity
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Office
11910 Darnestown Rd
Gaithersburg, MD 20878Phone+1 301-461-7772Fax+1 301-235-1605
Education & Training
Penn State Milton S Hershey Medical CenterResidency, Internal Medicine, 1977 - 1980
George Washington University School of Medicine and Health SciencesClass of 1977
Certifications & Licensure
MD State Medical License 1981 - 2025- American Board of Internal Medicine Internal Medicine
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