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. John O'Brien, MD is board certified in Family Medicine.
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Dr. O'Brien has 2 hospital affiliations:
- Martin Army Community Hospital
- DeWitt Army Community Hospital
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- Additional Information
- Where does Dr. John J. O'Brien practice?
Dr. John O'Brien practices Family Medicine and Aerospace Medicine near Fort Belvoir, VA.
See Fort Belvoir Family Physicians and Fort Belvoir Preventive Medicine Specialists.
- Similar Physician Names
- Dr. Deshawn O'Brien, Dr. Evan O'Brien, Dr. Giovanni O'Brien, Dr. Hank O'Brien, Dr. Hans O'Brien, Dr. Ian O'Brien, Dr. Ivan O'Brien, Dr. Jack O'Brien