Dr. O'Halloran is on Doximity
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Office
4650 Sunset Blvd
Los Angeles, CA 90027
Education & Training
University College of Dublin National Univ SOMClass of 2015
Certifications & Licensure
CA State Medical License 2018 - 2025
PA State Medical License 2015 - 2018- American Board of Pediatrics Pediatrics
- American Board of Pediatrics Pediatric Hematology-Oncology
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