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'Connell:
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Specialties & Research
Dr. John O'Connell, MD is board certified in Radiation Oncology.
- He has special expertise in 1 area:
Education & Awards
Dr. O'Connell graduated from Georgetown University, Washington.
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- Additional Information
- Dr. John Joseph O'Connell MD is a male Radiation Oncologist, has 18 years of experience and practices in Radiation Oncology.
- Where does Dr. John J. O'Connell practice?
- Dr. John O'Connell has 10 office locations.
Dr. John O'Connell practices Radiation Oncology near Greenville, SC.
Additional practice locations include: Simpsonville, SC and Easley, SC.
See Greenville Radiologists.