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 Gay, MD is board certified in Obstetrics & Gynecology.
- He has special expertise in 2 areas:
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Education & Awards
Dr. Gay graduated from University of Iowa, Iowa City. He has 1 awards.
Dr. Gay has 5 hospital affiliations:
- Columbia Regional Hospital
- Missouri OBGYN Associates
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- Additional Information
- Where does Dr. John W. Gay practice?
Dr. John Gay practices Obstetrics & Gynecology near Columbia, MO.
See Columbia Obstetricians & Gynecologists.