Internal Medicine, Gastroenterology in WORCESTER, MA
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Kelly J O'Callahan is a physician with an M.D. degree specializing in Internal Medicine and Gastroenterology. She is based in Worcester, MA and has been NPI registered since 2005.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
KELLY J OCALLAHAN specializes in Internal Medicine, Gastroenterology.
KELLY J OCALLAHAN practices in WORCESTER, MA.
KELLY J OCALLAHAN's NPI number is 1427056795.