Ronald G. Crystal, M.D.

Pulmonary Disease Medicine

Locations and Appointments

Insurances Accepted

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

*Indicates this doctor is no longer accepting new patients with this insurance plan.

  • HMO
  • Medicare
  • PPO
  • CHP
  • Blue Access
  • Blue Connection
  • EPO
  • HMO
  • Mediblue (Senior)
  • PPO
  • CBP
  • Medicaid
  • Medicare
  • Freedom
  • Liberty
  • Medicare Advantage
  • Metro/Core/Charter
  • Community Plan
  • Medicare
  • HMO
  • Medicare
Personal Statement

Dr. Crystal has 40 years of experience as a pulmonary physician, with a primary focus on chronic obstructive pulmonary disease, fibrotic lung disease, asthma, lung cancer and hereditary lung disease. Before joining the Weill Cornell Faculty, Dr. Crystal was Chief, Pulmonary Branch, National Heart, Lung, and Blood Institute, where he and his colleagues characterized the pathogenesis of idiopathic pulmonary fibrosis, sarcoidosis and hypersensitivity pneumonitis, and developed the FDA-approved therapy for alpha-1 antitrypsin deficiency. From 1993 to 2012, he served as Chief, Division of Pulmonary and Critical Care Medicine. He presently is Chair, Department of Genetic Medicine, and continues to have an active pulmonary clinical practice.

Biographical Info

Post-doctoral Training:

Internship: Internal Medicine, Massachusetts General Hospital, Boston, MA

Residency: Internal Medicine, Massachusetts General Hospital, Boston, MA

Fellowship: Clinical Fellow in Medicine, Harvard University, Cambridge, MA

Research Associate, Section on Molecular Hematology, NHLI, NIH, Bethesda, MD

Head, Section on Pulmonary Biochemistry, NHLI, NIH, Bethesda, MD

Clinical Fellow, Chest Medicine, University of California, San Francisco, CA

Chief, Pulmonary Branch, NHLBI, NIH, Bethesda, MD

Special Volunteer, Pulmonary Branch, NHLBI, NIH, Bethesda, MD

Military: Surgeon, Commissioned Corps, USPHS; Senior Surgeon, Commissioned Corps, USPHS; Medical Director, Commissioned Corps, USPHS;

Present, Medical Director (Retired), Commissioned Corps, USPHS

Honors and Awards

Honors (selected):

Elected member:

Alpha Omega Alpha; American Society for Clinical Investigation; Association of American Physicians;



Public Health Service Commendation medal (1983)

Outstanding Service medal (1988) Meritorious Service Award (1991) Honorary Fellow, American College of Chest Physicians (2001)

Honorary Fellow, Royal College of Physicians of Ireland (2005)

Honorary Degree: Doctor of Medicine, Johann Wolfgang Goethe University, Frankfurt, Germany (1992)

Board Certifications
American Board of Internal Medicine (Pulmonary Disease)
Clinical Expertise
Alpha-1-Antitrypsin Deficiency
Cystic Fibrosis
Interstitial Lung Disease
  • M.D.
    University of Pennsylvania School of Medicine
  • M.S.
    University of Pennsylvania
  • Chair of Genetic Medicine
    Weill Cornell Medical College, Cornell University
  • Professor of Medicine
    Weill Cornell Medical College, Cornell University
  • The Bruce Webster Professor of Internal Medicine
    Weill Cornell Medical College, Cornell University
  • Attending Physician
    NewYork-Presbyterian Hospital
  • Professor of Genetic Medicine
    Weill Cornell Medical College, Cornell University

Relationships and collaborations with for-profit and not-for profit organizations are of vital importance to our faculty because these exchanges of scientific information foster innovation. As experts in their fields, WCM physicians and scientists are sought after by many organizations to consult and educate. WCM and its faculty make this information available to the public, thus creating a transparent environment.

4D Molecular Therapeutics, Inc.
Acuta Capital Partners, LLC
AlphaSights, Inc
BioMarin Pharmaceuticals, Inc.
Boxer Capital, LLC
ClearView Healthcare Partners
EcoR1 Capital LLC
Gerson Lehrman Group (GLG)
Guidepoint Global LLC
LEXEO Therapeutics, Inc.
Red Nucleus
XyloCor Therapeutics
Professional Services: 
Passage Bio, Inc.
Advisory/Scientific Board Member: 
Elaaj Bio, Inc
Sarepta Therapeutics Inc.
Leadership Roles: 
ENYX Therapeutics LLC
Hanson Wade
Adverum Biotechnologies
ENYX Therapeutics LLC
Jannu Therapeutics
LEXEO Therapeutics, Inc.
REGENX Bio, Inc.
XyloCor Therapeutics
Proprietary Interest: 
Adverum Biotechnologies
LEXEO Therapeutics, Inc.
XyloCor Therapeutics