Internal Medicine, Nephrology in MARSHFIELD, WI
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Douglas P Duffy, MD, is an internist and nephrologist based in Marshfield, WI. He has been NPI registered since 2006.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
DOUGLAS P DUFFY specializes in Internal Medicine, Nephrology.
DOUGLAS P DUFFY practices in MARSHFIELD, WI.
DOUGLAS P DUFFY's NPI number is 1366542227.