Education & Training
Memorial Care Executive Academy 2014
Lean Leadership Training 2011
Los Angeles County-Harbor-UCLA Medical Center Residency, Emergency Medicine, 2002 - 2004
Cook County Hospital, Chicago, IL Residency, Emergency Medicine, 2001 - 2002
UCLA - St. Mary's Medical Center, Long Beach, CA Internship, Internal Medicine, 2000-2001
Medical College of Virginia, Richmond, VA M.D., Medicine - 2000
Georgetown University, Washington D.C. M.S., Physiology and Biophysics - 1996
University of California Santa Barbara, Santa Barbara CA B.A., Microbiology - 1996
Administrative Experience
Columbia Emergency Medical Group
January 2016 - July 2020
President & CEO
Long Beach Memorial Hospital
January 2016 - July 2020
Director Department of Emergency Medicine
Miller Children's Hospital
January 2016 - July 2020
Director Department of Emergency Medicine
Columbia Medical Group
2012 - 2016
Chairman
Clinical Experience
Long Beach Memorial
October 2005 - Present
Attending Physician
St. George Hospital Department of Emergency Medicine
October 2004 - December 2004
Attending Physician
Certifications and Licensing
Board Certified by the American Board of Emergency Medicine
ACLS, BLS Certified
Medical License - State of California, 2002
DEA Certificate
Advance training for Aeromedical Retrieval Medicine, Australasian College of Emergency Medicine
LAs Best Doctors LA Magazine 2020
Affiliations
Long Beach Medical Center Long Beach, California
Miller Children's & Women's Hospital Long Beach Long Beach, California
Community Hospital Long Beach Long Beach, California
Publications
Gharahbaghian, L. Massoudian, B. DiMassa, G. “Methemoglobinemia and Sulfhemoglobinemia
in Two Pediatric Patients after Ingestion of Hydroxylamine Sulfate” West Journal of Emergency Medicine, Aug 2009; 10(3) 197-201
