Tony J. Wang, MD

Dr. Harpreet Singh Grewal is a pulmonologist and critical care medicine specialist based in New York, NY, affiliated with Columbia University Irving Medical Center. He has extensive expertise in advanced lung disease, extracorporeal membrane oxygenation (ECMO), lung transplant, and pulmonary critical care medicine. Dr. Grewal is fluent in Hindi and Punjabi, and he is committed to providing comprehensive care for patients with respiratory failure and other pulmonary conditions. His educational background includes a fellowship at the Cleveland Clinic and a residency at Case Western Reserve University's MetroHealth Program. Generated from the website

I have been a Nurse Practitioner for 31 years and love my work. I have had a variety of practice opportunities, both inpatient and outpatient and bring all of this experience with me. I have had more than 8 years working in Neurology at Columba, as an intensivist in the Neuro Graduate service.

Dr. Shah provides both inpatient and outpatient consultative services to patients with chronic and advanced lung disease as well as those who are seeking evaluation for Lung Transplantation. Her area of expertise includes patients with Interstitial Lung Disease/ Pulmonary Fibrosis, COPD/ Emphysema, Alpha 1 Anti trypsin disease, Cystic Fibrosis, Pulmonary Sarcoidosis, Lymphangioleiomyomatosis, Occupational Lung Disease, and Pulmonary Hypertension as well as other rare and advanced lung diseases. In addition, she is the Medical Director of the Pulmonary Function Laboratory. The Cecily & Robert Harris Pulmonary Diagnostic Center, specializes in state-of-the-art pulmonary function testing (PFT) and cardio-pulmonary exercise testing (CPET), is one of the largest and busiest laboratories in the New York area. The Pulmonary Function Lab performs both pulmonary function testing, arterial blood gas testing and cardiopulmonary exercise testing.