Dr. Gregory M. Loewen

Quyen Nguyen, MD, specializes in pulmonology and is board-certified in critical care medicine, internal medicine, and pulmonary disease by the American Board of Internal Medicine. She practices at UPMC Comprehensive Lung Center - Falk and is affiliated with UPMC Somerset, UPMC Jameson, UPMC Williamsport, UPMC Northwest, UPMC Horizon, UPMC McKeesport, UPMC Presbyterian, and UPMC East. Dr. Nguyen completed her medical degree and fellowship at the University of Pittsburgh School of Medicine in addition to a residency at the Cleveland Clinic. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. Her top areas of expertise are Pulmonary Veno-Occlusive Disease, Pulmonary Hypertension, Systemic Sclerosis (SSc), and Pulmonary Fibrosis.

Ganga Ranasuriya, MD, specializes in pulmonology and is board-certified in critical care medicine, pulmonary disease, and internal medicine by the American Board of Internal Medicine. She practices at UPMC Susquehanna Health Lung Center and is affiliated with UPMC Wellsboro, UPMC Cole, UPMC Williamsport, and UPMC Muncy. Dr. Ranasuriya received her medical degree from Kasturba Medical College and completed her residency and fellowship at Cooper University Hospital. Dr. Ranasuriya is rated as a Distinguished provider by MediFind in the treatment of Pulmonary Hypertension. Her top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Lung Nodules, Emphysema, and Advanced Bronchoscopy.

James Walsh is a Pulmonary Medicine provider in Sayre, Pennsylvania. Dr. Walsh is rated as a Distinguished provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Interstitial Lung Disease, Advanced Bronchoscopy, and Gastrostomy.