Dr. Lamberty maintains a pulmonary, sleep and critical care practice, mostly based at the UPMC Presbyterian campus. His clinic at the Comprehensive Lung Center focuses on general pulmonary medicine, sleep and ventilation disorders. He regularly hosts medical students, internal medicine residents and pulmonary fellows in his clinic. He conducts inpatient rounding in the Presbyterian Medical Intensive Care Unit, Advanced Lung Disease Service, Pulmonary consultation service and Select Specialty Long Term Acute Care Hospital. He is board certified in pulmonary, critical care, and sleep medicine by the ABIM.