CHOC Docs :: Provider Profile

Arash Mahajerin, MD




Board Certified:

Dr. Mahajerin is on staff at CHOC Children's Hospital

CHOC Children's Clinic
1201 W. La Veta Ave.
Building: CHOC Clinic
Orange, CA 92868
phone: 888-770-2462
fax: 855-246-2329
map & directions

Physician Bio

Committed to improving the health of children, Dr. ArashMahajerin is involved in numerous clinical research projects. He is the principal investigator of a research project involving thrombophilia testing in children and co-investigator of two research projects involving the incidence of VTE in children with elective neurosurgical procedures and assessing differences in fatigue experienced by patients undergoing proton beam therapy vs. conventional radiotherapy.

Dr. Mahajerin is board certified in pediatrics. Prior to joining CHOC Children’s, Dr. Mahajerin attended medical school at Michigan State University/College of Human Medicine. He performed his pediatric residency and conducted his fellowship training in pediatric hematology-oncology at Riley Hospital for Children/University of Indiana.

Administrative Appointments

  • Hematology, CHOC Children's Specialists


  • Medical School
    Michigan State University, East Lansing, MI
  • Pediatrics Residency
    Riley Hospital for Children, Indianapolis, IN
  • Pediatric Hematology/Oncology Fellowship
    Riley Hospital for Children, Indianapolis, IN

Board Certifications

  • Pediatrics
    American Board of Pediatrics

Published Works

Sharathkumar A, Mahajerin A, Heidt L, Doerfer K, Heiny M, Vik T, Fallon R, Rademaker A. Risk prediction tool for identifying hospitalized children with predisposition for development of VTE: Peds Clot Decision Rule (PCDR). J Thromb Haemost. 2012:10;1326-34.

Dang Do A, Umoren R, Tarvin S, Heilbrunn B, Mahajerin A, Bowyer S. Systemic lupus erythematosus in a 3-month old male presenting as thrombocytopenia. Lupus. 2011:20(5);527-530.

Lectures and Presentations

  • Anemia in Pediatrics
  • Pediatric Practical Pearls

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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine