Payam Aghassi | پیام آغاسی

Dr. Aghassi is a highly experienced and board-certified physician specializing in Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine. He currently serves as the President of Mass Lung & Allergy, PC and is an Assistant Professor of Medicine at UMass Medical School.

He earned his medical degree from Tehran University of Medical Sciences and completed his residency in Internal Medicine at UMass Medical Center, where he also pursued a fellowship in Pulmonary and Critical Care Medicine. His comprehensive background allows him to deliver exceptional multidisciplinary care across a wide range of complex conditions.

With over two decades of experience, Dr. Aghassi is known for his clinical excellence and dedication to patients. He has built a reputation for integrating cutting-edge treatments and technologies in pulmonology, sleep disorders, and intensive care. His approach is both patient-centered and academically rigorous, making him a trusted physician and educator in his field.

• Internal Medicine
• Pulmonary Disease
• Critical Care Medicine
• Sleep Medicine

• Asthma and COPD management
• Interventional pulmonology
• Sleep apnea and other sleep disorders
• Critical care and ICU management

• Medical Degree: Tehran University of Medical Sciences
• Residency – Internal Medicine: UMass Medical Center
• Fellowship – Pulmonary & Critical Care Medicine: UMass Medical Center

• Board Certified in Internal Medicine
• Board Certified in Pulmonary Disease
• Board Certified in Critical Care Medicine
• Board Certified in Sleep Medicine

• President, Mass Lung & Allergy, PC
• Assistant Professor of Medicine, UMass Medical School
• Fellow, American College of Chest Physicians (FCCP)