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).
Learn more about Dr. John O'Connor:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. John O'Connor is Excellent.
Specialties & Research
Dr. John O'Connor, MD is board certified in Family Medicine.
Education & Awards
Dr. O'Connor graduated from Washington University at St. Louis, Saint Louis.
Dr. O'Connor has 2 hospital affiliations:
- Hannibal Regional Hospital
- Union County Hospital
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- Additional Information
- Where does Dr. John J. O'Connor practice?
Dr. John O'Connor practices Family Medicine near Dongola, IL.
Additional practice locations include: Hannibal, MO.
See Dongola Family Physicians.