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. Kathryn O'Brien:
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- Currently 3 of 4 stars
The overall average patient rating of Dr. Kathryn O'Brien is Good.
Specialties & Research
Dr. Kathryn O'Brien, MD is board certified in Family Medicine.
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Education & Awards
Dr. O'Brien graduated from Medical College of Wisconsin, Milwaukee.More Education & Awards
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- Where does Dr. Kathryn A. O'Brien practice?
Dr. Kathryn O'Brien practices Family Medicine near Tucson, AZ.
See Tucson Family Physicians.