Dr. Andrew R. Haas

Doctor Overview

Dr. Andrew R. Haas is a pulmonologist, a type of respiratory system specialist. He has experience treating complex lung diseases and cancers, like mesothelioma. Dr. Haas currently sees patients at Penn Medicine, where he is also a program director and professor.

Dr. Haas focuses on surgical procedures for chest conditions. His oncology work often involves helping guide diagnosis and treatment planning for thoracic cancers like pleural mesothelioma. He has also contributed to clinical research for immunotherapy and other emerging treatments.

Doctor Fast Facts

Main Specialty: Pulmonologist

Other Interests & Specialties: Enlarged lymph nodes in chest, hemothorax, lung cancer, lung mass, lung nodule, lung tumor, mesothelioma, pleural effusion, tracheal disorder, tracheal stenosis and tracheomalacia.

Certifications, Awards & Accolades: American Board Certification in Pulmonology

Education & Experience:

• Medical Degree from Thomas Jefferson University
• Residency at the University of Pennsylvania Health System
• Fellowship at the University of Pennsylvania Health System

Publications

Phase 1 study of autologous T cells bearing fully human chimeric antigen receptors targeting mesothelin in mesothelin-expressing cancers. Mol Ther. 2026 Jan 21;S1525-0016(26)00022-5.

Incidence and Outcomes of Brain Metastasis in Pleural Mesothelioma in the Era of Immunotherapy. JTO Clin Res Rep. 2025 May;6(5):100823.

Clinical Outcomes Associated With Pembrolizumab Monotherapy Among Adults With Diffuse Malignant Peritoneal Mesothelioma. JAMA Netw Open. 2023 Mar 1;6(3):e232526.