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Education & Training

  • MBA, 2019
    George Washington University School of Medicine
  • Fellowship, Pediatric Surgery, 2013
    Children's National Medical Center
  • Residency, Surgery (General Surgery), 2011
    LA County - Univ. of Southern California Med. Ctr.
  • Fellowship, Pediatric Surgery, 2009
    Children's Hospital of Los Angeles
  • Internship, Surgery (General Surgery), 2005
    LA County - Univ. of Southern California Med. Ctr.
  • MD, 2004
    University of Health Sciences Chicago Medical School
  • BS, 1999
    University of Southern California

Board Certifications

  • American Board of Surgery
  • American Board of Surgery/Pediatric Surgery

National Provider ID: 1265652242


Mikael Petrosyan, M.D., specializes in general pediatric and thoracic surgery with a special interest in advanced minimally invasive and endoscopic surgeries in infants, children, and adolescents for many pediatric surgical conditions.  He attended the University of Southern California as an undergraduate and obtained his medical degree at Chicago Medical School.  He completed his residency at LA County Hospital + University of Southern California.  During his training, Dr. Petrosyan received numerous awards including intern of the year, numerous resident teaching awards and the most outstanding scholar award.  He also completed a two-year Pediatric Surgery Research Fellowship at Children’s Hospital of Los Angeles where he was awarded an Ethicon Scholarship from the Society of University Surgeons.

After completing his Pediatric Surgery Fellowship training at Children’s National Dr. Petrosyan stayed as a faculty member.

Dr. Petrosyan has specific interest and expertise in minimally invasive thoracic, gastrointestinal and neonatal surgery. His other interests include surgery for gastroesophageal reflux; chest wall deformities; and complex esophageal, intestinal, and oncological problems in children.

4.5 / 5 4.5 out of 5 stars (based on 39 Patient/Family Ratings)

About Our Patient Satisfaction Scores

The main Patient Rating score is an average of all responses to care provider-related questions on our nationally-recognized Press Ganey Patient Satisfaction Survey.

The ratings below are the average of specific questions about interactions with the care provider.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

  • 4.6 / 5

    Care Provider explanations of prob/condition

  • 4.5 / 5

    Likelihood of recommending Care Provider