About
Dr. Youssef is a fellowship-trained, board-certified pulmonologist, internist, and critical care specialist with expertise in the management of pulmonary diseases and critical illness. He serves as an Associate Program Director for the UC Irvine Internal Medicine Residency Program and as the Residency Site Director at MemorialCare Long Beach Medical Center. In these roles, he is actively involved in the education and training of internal medicine residents as well as pulmonary and critical care fellows from UC Irvine.
His clinical interests include obstructive lung disease, pulmonary hypertension, thoracic oncology, sleep medicine, and interstitial lung disease.
Dr. Youssef earned his medical degree from the University of California, Irvine (UCI) School of Medicine, followed by residency training in internal medicine at UCI Medical Center. He subsequently completed a fellowship in pulmonary and critical care medicine at UCI Medical Center. He is board-certified by the American Board of Internal Medicine in internal medicine, pulmonary disease, and critical care medicine.
Dr. Youssef is a recipient of the American College of Chest Physicians (ACCP) Early Career Professional Development Award, recognizing pulmonologists who demonstrate significant potential early in their careers. He was also selected as a 2026 Southern California Rising Star. He is an active member of the American College of Chest Physicians (ACCP), the American College of Physicians (ACP), the American Thoracic Society (ATS), and the Society of Critical Care Medicine (SCCM).
Languages
English
Provider Specialty
Pulmonary Disease, Critical Care Medicine, Internal Medicine, Pulmonology
Education
Medical School
University of California, Irvine School of Medicine
2012
Internship Program
University of Califonia - Irvine Medical Center
2013
Residency Program
UCI Medical Center
2015
Internship/Residency - Internal Medicine
University of California - Irvine Medical Center
2015
Fellowship Program - Pulmonary Disease
University of California - Irvine Medical Center
2018
Locations & Affiliations
Locations
Research
Trial Number: 122-20
Conditions: Lung Cancer, Lung Nodules
Conducted at: Long Beach Medical Center
Participant Age Range: 18 years and older
Participant Gender: Any
Enrolling Participants: Yes
Insurance
Please consult your health care provider or health plan for the most accurate information about your health plan’s coverage of a particular health care service offered at a MemorialCare facility. Learn more about our Accepted Health Plans.