Internal Medicine, Rheumatology in CHEEKTOWAGA, NY
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Mary Margaret O'Neil is a physician with an MD degree specializing in Internal Medicine and Rheumatology. She is based in Cheektowaga, NY and has been NPI registered since 2006.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
MARY MARGARET ONEIL specializes in Internal Medicine, Rheumatology.
MARY MARGARET ONEIL practices in CHEEKTOWAGA, NY.
MARY MARGARET ONEIL's NPI number is 1598790818.