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. David O'Brien, MD is board certified in Aerospace Medicine and Occupational Medicine.
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Education & Awards
Dr. O'Brien graduated from Loyola University Chicago, Maywood.More Education & Awards
Dr. O'Brien has 1 hospital affiliations:
- Oswego Hospital
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- Additional Information
- Where does Dr. David M. O'Brien practice?
Dr. David O'Brien practices Internal Medicine, Aerospace Medicine, and Occupational Medicine near Oswego, NY.
Additional practice locations include: Hampton, VA.
See Oswego Internists and Oswego Preventive Medicine Specialists.
- Similar Physician Names
- Dr. Dave O'Brien, Dr. Davis O'Brien, Dr. Dewey O'Brien