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  • Office

    5131 E Southern Ave
    Mesa, AZ 85206
    Phone+1 480-833-5437
    Fax+1 480-833-9349

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 Renown Regional Medical Center.

Education & Training

  • Phoenix Children's Hospital
    Phoenix Children's HospitalFellowship, Pediatric Emergency Medicine (Pediatrics), 2013 - 2016
  • Oregon Health & Science University (OHSU Health)
    Oregon Health & Science University (OHSU Health)Residency, 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