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Summary

  • Dr. Joseph Gassen, MD is a pediatric emergency medicine physician in Mesa, Arizona. He is currently licensed to practice medicine in Arizona, Texas, and Colorado. He is affiliated with Sunrise Hospital and Medical Center, St. Rose Dominican Hospitals - Rose de Lima Campus, and MountainView Hospital.

Education & Training

  • Phoenix Children's Hospital
    Phoenix Children's HospitalFellowship, Pediatric Emergency Medicine (Pediatrics), 2013 - 2016
  • Oregon Health & Science University
    Oregon Health & Science UniversityResidency, Pediatrics, 2002 - 2005
  • University of Alabama School of Medicine
    University of Alabama School of MedicineClass of 2002

Certifications & Licensure

  • OR State Medical License
    OR State Medical License 2004 - Present
  • NV State Medical License
    NV State Medical License 2006 - 2025
  • AZ State Medical License
    AZ State Medical License 2013 - 2018
  • TX State Medical License
    TX State Medical License 2012 - 2015
  • CO State Medical License
    CO State Medical License 2011 - 2013
  • LA State Medical License
    LA State Medical License 2008 - 2012
  • American Board of Pediatrics Pediatrics
  • American Board of Pediatrics Pediatric Emergency Medicine

Hospital Affiliations