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About Health Insurance

Dr. William C. O'callahan, MD

Emergency Medicine, Newton-Wellesley Hospital Emergency

Gender: Male

Years in Practice: 24 Years

Languages Spoken: English

Dr. O'callahan's Education & Training

Medical School: University of Massachusetts Medical School

Graduation Date: 1990

Dr. O'callahan's Specialties & Hospital Affiliations

Hospital Affiliations: Newton-Wellesley Hospital

Specialties: Emergency Medicine

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