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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. Xavier graduated from University of California at San Francisco.


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Additional Information
Dr. Ronald Joseph Xavier DDS is a male dentist and practices in Family Dentistry.
Where does Dr. Ronald J. Xavier practice?
Dr. Ronald Xavier has 2 office locations.
Dr. Ronald Xavier practices Family Dentistry near Rancho Cucamonga, CA.
Additional practice locations include: Corona, CA.
See Rancho Cucamonga Dentists.