Dr. Kathleen Mary O'Brien MD is a female Emergency Medicine Specialist, has 4 years of experience and practices in Emergency Medicine.
Dr. Kathleen O'Brien has 3 office locations.
North University
University Campus
1501 N Campbell Ave
Tucson, AZ 85724

Phone Number
Locations and availability (3)
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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Specialties & Research

Dr. Kathleen O'Brien, MD is board certified in Emergency Medicine.

Education & Awards

Dr. O'Brien graduated from University of Massachusetts, Worcester.


Dr. O'Brien has 2 hospital affiliations:

  • Flagstaff Medical Center 
  • University Medical Center - Tucson 


  • Spanish

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Additional Information
Where does Dr. Kathleen M. O'Brien practice?
Dr. Kathleen O'Brien practices Emergency Medicine near Tucson, AZ.
Additional practice locations include: Flagstaff, AZ.
See Tucson Emergency Physicians.