Dr. Cheung is a licensed Pulmonary Medicine in CA. Medical degree obtained from Erasmus University, Netherlands. Completed residency training at Graduate Hospital and fellowship training at Yale-New Haven Hospital. Currently practices at BASS Medical Group (BASS Medical Group), located at 2637 Shadelands Dr, Walnut Creek, CA 94598. Dr. Cheung specializes in Sleep Disorders, Sleep Studies, Interstitial Lung Disease, Advances in COPD/Asthma, Pulmonary Hypertension.. In addition to English, Dr. Cheung speaks Cantonese.