Internal Medicine in WASHINGTON, DC
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William R Frederick is a physician in Washington, DC specializing in Internal Medicine. He has been NPI registered since 2006.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Mr. WILLIAM R FREDERICK specializes in Internal Medicine.
Mr. WILLIAM R FREDERICK practices in WASHINGTON, DC.
Mr. WILLIAM R FREDERICK's NPI number is 1932124682.