He is board certified in Internal Medicine (American Board of Internal Medicine), Psychiatry (American Board of Psychiatry & Neurology), and Sleep Medicine (American Board of Sleep Medicine). He specialises in management of sleep disorders such as Sleep Apnea, Narcolepsy, other Hypersomnias, Parasomnias, Insomnias including Circadian Rhythm Sleep Disorders and sleep disturbances secondary to medical and psychiatric disorders.