Department of Medicine
Kevin K. Brown, MD, Department Chair
Welcome to the Department of Medicine at National Jewish Health.
With the dedication of our faculty and staff, we continue to strive for world-class excellence in our clinical and research endeavors with the Department of Medicine's commitment to Science Transforming Life®.
This dedication is reflected in another challenging and exciting year with the development of our new Cardiac Cath Laboratory, Pulmonary Hypertension Center, and Asthma Program. Additionally, there will be further expansion of our oncology, gastroenterology, autoimmune lung center and non-invasive cardiology programs.
We will continue our excellence in allergy and clinical immunology, critical care and hospital medicine, environmental and occupational medicine, mycobacterial and respiratory infections, sleep and behavioral health sciences, rheumatologic diseases, pathology and laboratory sciences and general pulmonology.
The Department of Medicine is committed to leveraging the talents of individuals from all backgrounds. We strongly believe that the recruitment, advancement, and retention of a diverse and culturally competent faculty enhances our research, teaching and patient care mission.
Kevin K. Brown

Kevin K. Brown, MD
Divisions
- Division of Allergy & Clinical Immunology
- Division of Cardiology
- Division of Environmental & Occupational Health Sciences
- Division of Gastroenterology
- Division of Hospital & Internal Medicine
- Division of Mycobacterial & Respiratory Infections
- Division of Neurology & Behavioral Health
- Division of Oncology
- Division of Pathology
- Division of Pulmonary, Critical Care and Sleep Medicine
Office of Research Innovation
The Office of Research Innovation provides basic, translational and clinical research infrastructure in the Department of Medicine at National Jewish Health. Learn more.
Department of Medicine
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Rafeul Alam, MD, PhD
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Mark S. Aloia, PhD
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Arash Babaei, MD
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Ron Balkissoon, MD, MSc, DIH, FRCPC
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Mark Boguniewicz, MD
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Melanie Bongiovanni, CPNP
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James Brock, DO
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Jordan Bull, PA-C
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Amy Cacace, MD
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Laurie L. Carr, MD
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Jordan Chauncey, FNP-C
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Matthew Clary, MD
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Carlyne D. Cool, MD
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Joseph Cooley, DO
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Ronina A. Covar, MD
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James D. Crapo, MD
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Charles L. Daley, MD
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Brian J. Day, PhD
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Gregory P. Downey, MD, FRCPC
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Christopher K. Dyke, MD, FACC
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Jared J. Eddy, MD
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Neide Fehrenbacher, MD
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Chris Fine, MD, FACC
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James H. Finigan, MD
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Harry D Fischer, MD
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Stephen K. Frankel, MD, FCCM, FCCP
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Andrew M. Freeman, MD, FACC, FACP
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Jessica Galant-Swafford, MD
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Nick Galyon, DO
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Marjorie Patricia George, MD
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Kristen Glisinski, MD
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John Goff, MD
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Nir M. Goldstein, MD, FCCP
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Ann Granchelli, MD
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David E. Griffith, MD
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Steve D. Groshong, MD, PhD
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Daniel Groves, MD
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Vamsi P. Guntur, MD, MSc
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Arnav Gupta, MD
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Michelle Haas, MD
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Gabrielle Heckman, MSN, CRNA
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Hayley Heinz, RN, FNP
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Glenn A. Hirsch, MD, MHS, FACC
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Katherine Hisert, MD, PhD
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Mark Holley, MD
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Kristen E. Holm, PhD, MPH
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Jackie Homra, FNP-C
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Carrie A. Horn, MD
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Flavia Cecilia Lega Hoyte, MD
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Jeremy T. Hua, MD, MPH
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Jessica Hui , MD
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Tristan J. Huie, MD
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Patrick S. Hume, MD, PhD
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William J. Janssen, MD
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Christopher B. Jones, MD
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Homi Kapadia, MD
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Shannon H. Kasperbauer, MD
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Stuart S. Kassan, MD
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Rohit K. Katial, MD
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Rebecca C. Keith, MD
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Jeffrey Kern, MD
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Darlene Kim, MD, FACC
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Jeffrey B. King, MD
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Seth Kligerman, MD, MS
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Megan Knecht, ANP-BC
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Minisha Kochar, MD
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Matthew Koslow, MD
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Richard Kraus, PA-C
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Silpa D. Krefft, MD, MPH
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Tim Lahm, MD, ATSF
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Joseph Lauro, MD
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Teofilo L. Lee-Chiong Jr, MD
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Kelli Lewis, MD
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Shu-Yi Liao, MD, MPH, ScD
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Gabriel C. Lockhart, MD
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Sherstin T. Lommatzsch, MD
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Steven E. Lommatzsch, MD
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Mark Lott, PhD
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Kenneth E. Lyn-Kew, MD
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Michelle MacDonald, MS, RDN, CDE
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Sean Maddock, MD
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Lisa A. Maier, MD, MSPH, FCCP, ATSF
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Barry J. Make, MD
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Mehrnaz Maleki Fischbach, MD
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Vipin Malik, MD
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Mark Mallozzi, MD, MPH
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Laurie A. Manka, MD
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Robert J. Mason, MD
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Richard T. Meehan, MD, FACP
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Jenna Milliron, NP-C
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John D. Mitchell, MD
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Michael P. Mohning, MD
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Kara Mould, MD, MPH
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Jennifer Moyer Darr, LCSW
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Nathan Murphey, NP
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Rao Mushtaq, MD
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Joshua Nardin, DO
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Michael Nevid, MD
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Christine Nguyen, DO
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Jerry A. Nick, MD
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James K. O'Brien, MD, FACP, FCCP
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J. Tod Olin, MD, MSCS
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Claudia Onofrei, MD, MSc
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Kanao Otsu, MD, MPH
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Karin A. Pacheco, MD, MSPH
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Girish Paranjape, DO, ABFM, CAQSM
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Pranav Periyalwar, MD, FACG, FASGE
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Irina Petrache, MD
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Nathan Rabinovitch, MD, MPH
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Sandhya Rai-Sherpa, MD, PhD
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Elizabeth Anne Regan, MD, PhD
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Clara Restrepo, MD
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Sarah Rhoads, MD
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Lyndsey Roetker, AG-ACNP
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Cecile S. Rose, MD, MPH
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Kevin Rurak, MD
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Milene Saavedra, MD
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Howard Saft, MD, MS
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Robert A. Sandhaus, MD, PhD, FCCP
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Smarika Sapkota, MD
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Lauren E. Sarnat, MD
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Michael D. Schwartz, MD, FCCM
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Jennifer Sederberg, NP
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Savannah Shannon, PA-C
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Amy Silverberg, MD
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Elizabeth Devon Smith, PhD
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Jamey Smyser, RPA
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Joshua J. Solomon, MD
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Neil Sondhi, MD
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Evan L. Stepp, MD
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Jenna Summers, FNP-C
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Raphael Sung, MD, FACC, FHRS
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Jeff Swigris, DO, MS
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Jinny Tavee, MD
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Jennifer L. Taylor-Cousar, MD, MSCS
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Neil W. Toribara, MD, PhD
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Sheila Tsai, MD
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Jessica VanderKwaak, CRNA
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Kalie M. VonFeldt, PA-C, MS
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Stacey Wall, DNP, APRN, CPNP-AC/PC
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Eileen Wang, MD, MPH
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Richard W. Weber, MD
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Ryan Webster, MD
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Michael E. Wechsler, MD, MMSc
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Howard D. Weinberger, MD, FACC
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Catherine Wittman, MD
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Chen-Shan Julia Woodcock, PhD
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James Woodrow, MD
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Kathleen Yan, MD
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Renee Young, DO
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Zulma X. Yunt, MD
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Daniel Zank, MD
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Pamela L. Zeitlin, MD, MPhil, PhD