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License & Identifications

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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Education & Awards

Dr. O'Brien graduated from Univ of MN-School of Dentistry.


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Additional Information
Dr. William P O'Brien DDS is a male dentist and practices in Family Dentistry.
Where does Dr. William P. O'Brien practice?
Dr. William O'Brien has 1 office location.
Dr. William O'Brien practices Family Dentistry near Saint Peter, MN.
See Saint Peter Dentists.