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Meet the Team


When you visit St. Joseph’s Norton Thoracic Institute, you will be treated by experienced, respected experts in lung and esophageal disease. Our dedicated patient care team includes pulmonologists, thoracic surgeons, and a support staff designed to meet all of your needs.







Ross M. Bremner, MD, PhD
Executive Director, Norton Thoracic Institute
Department Chair, Thoracic Disease and Transplantation
Professor of Surgery, Creighton Medical School – Phoenix Regional Campus
Professor of Surgery, University of Arizona College of Medicine Phoenix
Vice Chief of Staff, St. Joseph’s Hospital and Medical Center
Thoracic Surgery & Lung Transplantation 








Hesham Abdelrazek, MD
Assistant Professor of Medicine, Creighton Medical School – Phoenix Regional Campus
Advanced Lung Disease and Lung Transplant Pulmonology






Shair Ahmed, MD 
Assistant Professor of Surgery, Creighton Medical School – Phoenix Regional Campus
Thoracic Surgery & Lung Transplantation

Also provides care at East Valley location






Deljean Buenaventura, MSN, FNP
Practitioner: Lymphangioleiomyomatosis (LAM) Program
Advanced Lung Disease 






Rebekah English, NP
Program Manager: Interstitial Lung Disease, Alpha-1, Cystic Fibrosis, Pulmonary Fibrosis and Lymphangioleiomyomatosis (LAM) Programs
Advanced Lung Disease






Samad Hashimi, MD
Director, Minimally Invasive and Robotic Programs
Director, Extracorporeal Membrane Oxygenation (ECMO) 
Assistant Professor of Surgery, Creighton Medical School – Phoenix Regional Campus

Also provides care at the East Valley location






Jasmine Huang, MD
Director, Education and Program Development
Co-Director, Lung Cancer Screening Program
Associate Professor of Surgery, Creighton Medical School – Phoenix Regional Campus
Thoracic Surgery & Lung Transplantation







Sumeet Mittal, MD
Surgical Director, Esophageal & Foregut Program
Surgical Director,  NTI Clinical Research Program
Professor of Surgery, Creighton Medical School – Phoenix Regional Campus
Esophageal Surgery

Also provides care at West Valley location







Seema Munir, DO
Obesity Medicine 





Ashraf Omar, MD
Associate Medical Director, Lung Transplantation Program
Assistant Professor of Medicine, Creighton Medical School – Phoenix Regional Campus
Advanced Lung Disease & Lung Transplantation Pulmonology






Tanmay Panchabhai, MD
Director, Advanced Diagnostic Bronchoscopy Programs
Co-Director, Lung Cancer Screening Program
Associate Director, Interstitial Lung Disease Program
Associate Professor of Medicine, Creighton Medical School – Phoenix Regional Campus
Advanced Lung Disease & Lung Transplantation Pulmonology






Chirag Patel, MD
Assistant Professor of Surgery, Creighton Medical School – Phoenix Regional Campus
Thoracic Surgery & Lung Transplantation 

Also provides care at East Valley location







Vipul Patel, MD
Assistant Professor of Medicine, Creighton Medical School – Phoenix Regional Campus
Advanced Lung Disease & Lung Transplantation Pulmonology






Michael Smith, MD
Chief, General Thoracic Surgery
Surgical Director, Lung Transplantation Program
Professor of Surgery, Creighton Medical School – Phoenix Regional Campus
Thoracic Surgery & Lung Transplantation

Also provides care at West Valley location









Sofya Tokman, MD
Medical Director, Lymphangioleiomyomatosis (LAM) and Cystic Fibrosis Programs
Associate Professor of Medicine, Creighton Medical School – Phoenix Regional Campus
Advanced Lung Disease & Lung Transplantation Pulmonology





Rajat Walia, MD
Section Chief, Pulmonary Medicine
Medical Director, Lung Transplantation, Lung Transplantation Fellowship, Alpha-1 and Interstitial Lung Disease Programs
Associate Medical Director, Cystic Fibrosis and Lymphangioleiomyomatosis (LAM) Programs
Associate Professor of Medicine, Creighton Medical School – Phoenix Regional Campus
Advanced Lung Disease & Lung Transplantation Pulmonology