One of America's Top Doctors - Castle Connolly Top Doctors

Byron Thomashow, MD

One of America's Top Doctors - Castle Connolly Top Doctors
Pulmonology, more

Locations and Appointments

CUIMC/Milstein Hospital Building

177 Ft. Washington Avenue
New York, NY 10032
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CUIMC/Herbert Irving Pavilion

161 Fort Washington Avenue
New York, NY 10032
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Insurances Accepted

Please contact the doctor's office directly to verify that your particular insurance is accepted.

    Local 1199
    Quality Health Management
    Columbia University Employee Plan
    World Trade Center Health Plan
    Local 1199
    Quality Health Management
    Columbia University Employee Plan
    World Trade Center Health Plan

About Byron Thomashow, MD

Dr Byron Thomashow is a Professor of Medicine Columbia University Medical Center and an Attending Physician at the New York-Presbyterian Hospital. He helped found the COPD Foundation in 2004 and served as Chairman of the Board of Directors for ten years. As of July 2018 he took on the role of Chief Medical Officer of the Foundation. He is the medical co-director of the Jo-Ann LeBuhn Center for Chest Disease on the Columbia campus and is medical director of the NewYork-Presbyterian Lung Volume Reduction program. He chaired the Respiratory Disease Council of the NewYork-Presbyterian Healthcare Network for many years, and co-chaired the NewYork-Presbyterian smoking cessation initiative leading to campus going smoke free. He has served as co-chair for the NY State COPD Coalition, cochaired the New York State COPD Summit in 2010, co-chaired COPD7 USA 2011, COPD8USA 2013, COPD 9USA 2015, COPD10 USA 2017, and co-chaired the COPDFoundation COPD Readmission Summits in October 2013 and March 2015. The Byron M Thomashow Professorship of Medicine Columbia University was established in 2006. He was awarded the 2013 American Thoracic Society Public Advisory Roundtable Excellence Award. In 2016 he received the Columbia University 2016 Leonard Tow Humanism in Medicine Award sponsored by the Arnold P. Gold Foundation. In 2017 he received the Albert Nelson Marquis Lifetime Achievement Award. In 2018 he received the JWWalsh Visionary Award from the COPD Foundation. He was a member of the steering committee and the co-primary investigator at the Columbia site for the National Emphysema Treatment Trial and has been and remains actively involved in multiple national clinical research projects.

Board Certifications

  • Internal Medicine
  • Pulmonary Disease

Specialties & Expertise

  • Allergy and Asthma Management
  • Alpha-1-Antitrypsin Deficiency
  • Asthma
  • Bronchiectasis
  • Bronchitis
  • Chronic Cough
  • Chronic Lung Disease
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Emphysema
  • General Pulmonology
  • Hereditary Hemorrhagic Telangiectasia (HHT)
  • Hypersensitivity Pneumonitis
  • Idiopathic Pulmonary Fibrosis
  • Interstitial Lung Disease
  • LAM Lung Disease
  • Lung Cancer
  • Lung Nodules
  • Lung Volume Reduction Surgery (LVRS)
  • Pulmonary Diagnostics
  • Pulmonary Disease
  • Pulmonary Embolism
  • Pulmonary Fibrosis
  • Pulmonary Hypertension
  • Pulmonary Medicine
  • Restrictive Lung Diseases
  • Sarcoidosis
  • Tuberculosis


  • Fellowship: Harlem Hospital Center
  • Residency: St. Luke's-Roosevelt Hospital Center
  • Medical School: Columbia University College of Physicians and Surgeons

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center

Awards & Honors

  • Albert Nelson Marquis Lifetime Achievement Award, 2017
  • Alfred Markowitz Service Award, Society of Practitioners CPMC, 2002
  • American Registry Americas Most Honored Doctors 2020
  • Best Doctors in America, Castle Connolly Guide 2001-2016, 2017-2021
  • Best Doctors in New York, New York Magazine, 1991-2015-2021
  • Castle Connolly Regional Top Doctor, 2021
  • Co-Chair, COPD Foundation Lung Health, 2010 Conference
  • Co-Chair, COPD Foundation National Conference-COPD and Primary Care 11/2006
  • Co-Chair, COPD Foundation National Conference, COPD 2007, 11/07
  • Co-Chair, COPD Foundation National Conference, COPD 2008, 11/08
  • Co-Chairman, COPD Foundation COPD Readmissions Summit, March 2015, Washington, DC
  • Co-Chairman, COPD Foundation Fundraiser, 2008, 2009-2020
  • Co-Chairman, COPD Foundation, COPD Readmission Summit, November 2013, Washington DC
  • Co-Chairman, COPD7USA Conference, Washington, DC, December 2011, COPD 8 USA Chicago, June 2013
  • Co-Chairman, COPD8USA Conference June 2013, Chicago
  • Co-Chairman, COPD9USA Conference June 2015 Chicago; COPD10USA July 2017 Chicago
  • Co-Chairman, NewYork Presbtyerian Annual Gala, 2010
  • Co-Chairman, NY COPD Coalition, NY COPD Summit, 2009-2012
  • Columbia University Ewig Clinical Scholar, 2008-2009
  • Columbia University Medical Center Medical Housestaff Teaching Award, 2004
  • Consultant to the National Institute of Medicine, 2013-present
  • Establishment of Byron M Thomashow Clinical Professorship of Medicine, Columbia University, 2006
  • Honoree, Alpha-1 Foundation, 2011
  • JWWalsh Visionary Award COPD Foundation November 2018
  • Man of Good Conscience Award, National Society of Women Psychiatrists, 2005
  • Master Consultant to the National Institute of Medicine, 2015-present
  • Member, Columbia Academy of Clinical Excellence, 2017-present
  • Member, Gold Humanism Honor Society, 2016
  • Member, Planning Committee COPD10 Birmingham, England, 2016
  • Member, Planning Committee U.S. COPD Coalition National Meeting, 2011
  • Member, Program Committee NIH National COPD Conference 11/03
  • Member, Steering Committee COPD Foundation Biomarkers Consortium, 2011-present
  • Member, Steering Committee Drive4COPD, 2012-2014
  • New York Super Doctors 2008-2021, Super Doctors Hall of Fame 2017-Present
  • NY Top Docs, 2016-21
  • Online expert, New York Times: COPD - One of Six Great Killers Series, 12/07
  • Recipient, 2013 ATS Public Advisory Roundtable (PAR) Excellence Award
  • Recipient, 2014 Vitals Patients' Choice Award
  • Recipient, Columbia University Leonard Tow Humanism in Medicine Award, May 2016
  • The American Registry-Americas Most Honored Doctors, 2021
  • The Best New York Metro Area Doctors, Castle Connolly Guide, 1997-2020
  • Who's Who in America, Marquis Publications, 1998-2004, 2009, 2014-2016
  • Who's Who in Medicine and Healthcare, Marquis Publications, 1997-2007, 2009-2012
  • Who's Who in Science and Engineering, Marquis Publications, 1998-1999, 2003-2004
  • Who's Who in the East, Marquis Publications, 1995-2016
  • Who's Who in the World, Marquis Publications 1996, 1998, 2000, 2003-2005, 2018, 2019, 2020
  • Whos Who Top Doctors Honors Edition, 2020

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