A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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Specialties & Research
Dr. Daniel O'Leary, MD is board certified in Neurology and Diagnostic Radiology.
He has special expertise in 14 Areas, including Aneurysm, Arterial Occlusive Diseases, and Atherosclerosis.11 more special expertise areas
More Specialties & Research
Education & Awards
Dr. O'Leary graduated from Tufts University, Boston. He has 3 awards.
Dr. O'Leary has 5 hospital affiliations:
- Caritas St. Elizabeth's Medical Center
- Tufts Medical Center