Dennis Hwang, MD

Clinician Investigator

Sleep and Pulmonary Medicine

Fontana Medical Center



Dr. Dennis Hwang is a sleep and pulmonary medicine physician and medical director of the Kaiser Permanente Fontana Sleep Disorders Center. He is also the regional co-chair for sleep medicine for the Southern California Permanente Medical Group. He began his 2-year appointment in the Southern California Permanente Medical Group Clinician Investigator Program in 2019.

Dr. Hwang’s research in the program applies machine learning to predict patient adherence to PAP (positive airway pressure) therapy for obstructive sleep apnea.  The project is part of a broader effort to implement predictive algorithms as clinical decision support tools and identify refined and novel disease phenotypes towards the goal of enhancing personalized medicine and optimization of individual and health system outcomes.

Areas of Focus

  • Health care delivery innovation
  • Development of big data and machine learning tools
  • Automation and population health management innovation
  • Integration of medical and consumer health technologies


University of Illinois
Chicago, Illinois
BA, Molecular Biology
Princeton University
Princeton, New Jersey

Honors and Awards

Physician of the Year, Kaiser Permanente Fontana Medical Center
Outstanding Contribution to Medicine Award, San Bernardino County Medical Society