Byron Thomashow, MD

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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.

Areas of Expertise / Conditions Treated

  • 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

Academic Appointments

  • Professor of Medicine at CUMC

Administrative Titles

  • Medical Director, NYP Lung Volume Reduction Program
  • Medical Director, Jo-Ann LeBuhn Center for Chest Disease

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center


  • Male

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Insurance Accepted

Local 1199

  • Local 1199

Quality Health Management

  • Quality Health Management


  • Columbia University Employee Plan

World Trade Center Health Plan

  • World Trade Center Health Plan

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Credentials & Experience

Education & Training

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

Board Certifications

  • Internal Medicine
  • Pulmonary Disease

Honors & Awards

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


Research Interests

  • Chronic Obstructive Pulmonary Disease (COPD)
  • Exercise physiology
  • Lung volume reduction
  • Optical electronic plethymography

Selected Publications

  • Yawn BP, Han M, Make BM, Mannino D, Brown RW, Meldrum C, Murray S, Spino C, Bronicki JS, Leidy N, Tapp H, Dolor RJ, Joo M, Knox L, Zittleman L, Thomashow BM, Martinez FJ. Protocol Summary of the CAPTURE Validation in Primary Care Study. Chronic Obstr Pulm Dis. 2020 Nov 5. doi: 10.15326/jcopdf.2020.0155. Online ahead of print. PMID: 33156981
  • Aviv J, Chandraselkhar s, Thomashow B. COVID-19 era post viral vagal neuropathy presenting as persistent shortness of breath with normal pulmonary imaging. Int J Pul & Res Sci 4(4): IJOPRS.MS.ID.555641 (2020)
  • Tal-Singer R, Yawn B, Wise B, Thomashow B, Boyce DM. The COPD Foundation Coronavirus Disease 2019 International Medical Experts Survey: results. Chronic Obstr Pulm Dis. 2020; 7(3): 139-146. doi:
  • Thomashow B, Carlomagno CG. In gratitude to James D. Crapo. Chronic Obstr Pulm Dis. 2020; 7(3): 134-135. doi:
  • Mannino DM, Thomashow B Counterpoint –Can screening for COPD improve outcomes? CHEST 2020; 157(1)9-13. DOI:htpps://
  • Müllerová h , Dransfield M, Thomashow B , Jones P, Rennard S; Fageras M ; Metzdorf N, Petruzzelli S, Rommes J , Sciurba F , Tabberer M, Merrill D, Tal-Singer R , on behalf of the COPD Biomarker Qualification Consortium and the CAT Governance Board. Clinical Development and Research Applications of the COPD Assessment Test (CAT).
  • Lowe KE, Regan EA, Anzueto A, et al. COPDGene 2019: redefining the diagnosis of chronic obstructive pulmonary disease. Chronic Obstr Pulm Dis. 2019; 6(5): 384-399. doi:
  • COPD Foundation Board of Directors. Time to redefine? A statement of the COPD Foundation. Chronic Obstr Pulm Dis. 2019; 6(5): 430-432. doi:
  • Thomashow B, Crapo JD, Drummond MB, et al. Introducing the new COPD Pocket Consultant Guide app: can a digital approach improve care? A statement of the COPD Foundation. Chronic Obstr Pulm Dis. 2019; 6(3): In press. doi: