Harvey S.Triebwasser, M.D.
Director of Adolescent Services at CHOC
Dr. Triebwasser is Board Certified in Pediatrics and Adolescent Medicine and a long standing member of the Society for Adolescent Medicine. His training was at the New York Hospital Cornell Medical Center in New York City. He practiced Adolescent medicine for 30 years at Kaiser Permanente.
Maria L Tupas, MD
Dr. Tupas was born and raised in the Philippines where she obtained her medical degree from the University of Santo Tomas, in Manila, the oldest Catholic University in the Far East. She then did a one-year rotating internship at the Makati Medical Center, also in Metro Manila. She then engaged in general practice for four years while she raised a family. She finished her three-year pediatric residency at Lincoln Medical and mental health Center in Bronx, New York, where she was Assistant Chief Resident during her PL-3 year. After this, she joined the Pediatric Emergency Room attending staff at Lincoln Hospital for one year. She later joined the Children’s Hospital of Orange County and joined the Pediatric and Adolescent Comprehensive Care Medical Group. She is currently Medical Director of Ambulatory Care Services at CHOC, as well as the Pediatric Residency Coordinator for Adolescent Medicine and Medical Director of the CHOC Spina Bifida Clinic.
Katie McGaughey , RN
Adolescent case mananger










