Ravi Kalhan MD

Asthma & COPD, Critical Care Medicine, Pleural Disease

Professor of Medicine-Pulmonary and Preventive Medicine, Northwestern University Medical School

675 N Saint Clair StGalter 18-250Chicago, IL 60611
Phone+1 312-695-1800
Fax+1 312-695-4741

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Education & Training

Northwestern University Settlement AssociationM.S., Clinical Investigation, 2004 - 2006
McGaw Medical Center of Northwestern UniversityFellowship, Pulmonary Disease and Critical Care Medicine, 2003 - 2006
University of Pennsylvania Health SystemResidency, Internal Medicine, 2000 - 2003
Case Western Reserve University School of MedicineClass of 2000
Brown UniversityA.B., History, 1992 - 1996

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A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

IL State Medical License 2003 - 2029
PA State Medical License 2001 - 2003
American Board of Internal Medicine Pulmonary Disease

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification Northwestern Meaningful Use Data Warehouse Application for Eligible Providers, Northwestern University, 2011, 2013-2017
CMS Meaningful Use Stage 2 Certification PowerChart (Clinical), Cerner Corporation, 2011, 2013-2017
CMS Meaningful Use Stage 2 Certification Northwestern Meaningful Use Data Warehouse Application for Eligible Providers, Northwestern University, 2011, 2013-2017

Clinical Trials

Modification of Asthma With Soy Isoflavone
COMPLETED
NA
The Impact of Salmeterol-Fluticasone on Sleep in Patients With COPD
WITHDRAWN
NA
Lung Volume Reduction Coil Treatment in Patients With Emphysema (RENEW) Study
TERMINATED
NA

Publications & Presentations

PubMed

From ideal respiratory health to chronic lung disease: indicators of impaired respiratory health.
Kavitha C Selvan, Joseph I Bailey, Ravi Kalhan
Expert Review of Respiratory Medicine. 2026-08-01
1 citations
Life Expectancy in Chronic Obstructive Pulmonary Disease.
Surya P Bhatt, Yifei Sun, Yuhan Wang, Pallavi P Balte, Joseph E Schwartz
JAMA Internal Medicine. 2026-07-01
Integrative Phenogroups Based on Lung Imaging and Spirometry from Young Adulthood to Midlife and Associations With Subclinical Cardiac Structure and Function.
Deepika Laddu, Lucia Petito, Xiaoning Jack Huang, Kavitha Selvan, Carlos Iribarren
Chest. 2026-06-16

Journal Articles

Lung spirometry and diffusion capacity are decreased in patients with type 2 diabetes
Klein OL, Kalhan R, Williams MV, Tipping M, Lee J, and Smith LJ, Diabet Med, 1/1/2012
Cigarette smoking and airway wall thickness on CT scan in a multi-ethnic cohort: The MESA Lung Study
Donohue KM, Hoffman EA, Baumhauer H, Guo J, Budoff M, Austin JH, Kalhan R, Kawut S, Tracy R, and Barr RG, Respir Med, 1/1/2012
Biomarkers in Chronic Obstructive Pulmonary Disease
Rosenberg SR and Kalhan R, Transl Res, 1/1/2012

Press Mentions

Predicting Disease Risk and Improving Patient OutcomesMarch 7th, 2025
Novel Blood Test Predicts Risk of Severe Lung DiseaseOctober 14th, 2024
New Blood Test Predicts Risk for COPD and Severe Respiratory DiseasesSeptember 11th, 2024

Grant Support

Transitions from Impaired Respiratory Health to Lung DiseaseNORTHWESTERN UNIVERSITY AT CHICAGO2014–2029
The American Lung Association (ALA) Lung Health CohortNORTHWESTERN UNIVERSITY AT CHICAGO2019–2025
Genistein And Asthma PathogenesisNational Heart, Lung, And Blood Institute2006