William Charles O Callahan MD

Emergency Medicine•Holden, MA

Physician

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5 Shrewsbury StSte DHolden, MA 01520
Phone+1 508-829-3800
Fax+1 508-829-3802

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Education & Training

UMass Chan Medical SchoolResidency, Emergency Medicine, 1990 - 1993
University of Massachusetts Medical SchoolClass of 1990

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