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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

Kevin K. Brown, MD

Office of Research Innovation

Medicine Office of Research

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

  • Rafeul Alam

    Rafeul Alam, MD, PhD

  • Mark S. Aloia

    Mark S. Aloia, PhD

  • Arash Babaei

    Arash Babaei, MD

  • Ron Balkissoon

    Ron Balkissoon, MD, MSc, DIH, FRCPC

  • Mark Boguniewicz

    Mark Boguniewicz, MD

  • Melanie Bongiovanni

    Melanie Bongiovanni, CPNP

  • James Brock

    James Brock, DO

  • Jordan Bull

    Jordan Bull, PA-C

  • Amy Cacace

    Amy Cacace, MD

  • Laurie L. Carr

    Laurie L. Carr, MD

  • Jordan Chauncey

    Jordan Chauncey, FNP-C

  • Matthew Clary

    Matthew Clary, MD

  • Carlyne D. Cool

    Carlyne D. Cool, MD

  • Joseph Cooley

    Joseph Cooley, DO

  • Ronina A. Covar

    Ronina A. Covar, MD

  • James D. Crapo

    James D. Crapo, MD

  • Charles L. Daley

    Charles L. Daley, MD

  • Brian J. Day

    Brian J. Day, PhD

  • Gregory P. Downey

    Gregory P. Downey, MD, FRCPC

  • Christopher K. Dyke

    Christopher K. Dyke, MD, FACC

  • Jared J. Eddy

    Jared J. Eddy, MD

  • Neide Fehrenbacher

    Neide Fehrenbacher, MD

  • Chris Fine

    Chris Fine, MD, FACC

  • James H. Finigan

    James H. Finigan, MD

  • Harry D Fischer

    Harry D Fischer, MD

  • Stephen K. Frankel

    Stephen K. Frankel, MD, FCCM, FCCP

  • Andrew M. Freeman

    Andrew M. Freeman, MD, FACC, FACP

  • Jessica Galant-Swafford

    Jessica Galant-Swafford, MD

  • Nick Galyon

    Nick Galyon, DO

  • Marjorie Patricia George

    Marjorie Patricia George, MD

  • Kristen Glisinski

    Kristen Glisinski, MD

  • John Goff

    John Goff, MD

  • Nir M. Goldstein

    Nir M. Goldstein, MD, FCCP

  • Ann Granchelli

    Ann Granchelli, MD

  • David E. Griffith

    David E. Griffith, MD

  • Steve D. Groshong

    Steve D. Groshong, MD, PhD

  • Daniel Groves

    Daniel Groves, MD

  • Vamsi P. Guntur

    Vamsi P. Guntur, MD, MSc

  • Arnav Gupta

    Arnav Gupta, MD

  • Michelle Haas

    Michelle Haas, MD

  • Gabrielle Heckman

    Gabrielle Heckman, MSN, CRNA

  • Hayley Heinz

    Hayley Heinz, RN, FNP

  • Glenn A. Hirsch

    Glenn A. Hirsch, MD, MHS, FACC

  • Katherine Hisert

    Katherine Hisert, MD, PhD

  • Mark Holley

    Mark Holley, MD

  • Kristen E. Holm

    Kristen E. Holm, PhD, MPH

  • Jackie Homra

    Jackie Homra, FNP-C

  • Carrie A. Horn

    Carrie A. Horn, MD

  • Flavia Cecilia Lega Hoyte

    Flavia Cecilia Lega Hoyte, MD

  • Jeremy T. Hua

    Jeremy T. Hua, MD, MPH

  • Jessica Hui

    Jessica Hui , MD

  • Tristan J. Huie

    Tristan J. Huie, MD

  • Patrick S. Hume

    Patrick S. Hume, MD, PhD

  • William J. Janssen

    William J. Janssen, MD

  • Christopher B. Jones

    Christopher B. Jones, MD

  • Homi Kapadia

    Homi Kapadia, MD

  • Shannon H. Kasperbauer

    Shannon H. Kasperbauer, MD

  • Stuart S. Kassan

    Stuart S. Kassan, MD

  • Rohit K. Katial

    Rohit K. Katial, MD

  • Rebecca C. Keith

    Rebecca C. Keith, MD

  • Jeffrey Kern

    Jeffrey Kern, MD

  • Darlene Kim

    Darlene Kim, MD, FACC

  • Jeffrey B. King

    Jeffrey B. King, MD

  • Seth Kligerman

    Seth Kligerman, MD, MS

  • Megan Knecht

    Megan Knecht, ANP-BC

  • Minisha Kochar

    Minisha Kochar, MD

  • Matthew Koslow

    Matthew Koslow, MD

  • Richard Kraus

    Richard Kraus, PA-C

  • Silpa D. Krefft

    Silpa D. Krefft, MD, MPH

  • Tim Lahm

    Tim Lahm, MD, ATSF

  • Joseph Lauro

    Joseph Lauro, MD

  • Teofilo L. Lee-Chiong Jr

    Teofilo L. Lee-Chiong Jr, MD

  • Kelli Lewis

    Kelli Lewis, MD

  • Shu-Yi Liao

    Shu-Yi Liao, MD, MPH, ScD

  • Gabriel C. Lockhart

    Gabriel C. Lockhart, MD

  • Sherstin T. Lommatzsch

    Sherstin T. Lommatzsch, MD

  • Steven E. Lommatzsch

    Steven E. Lommatzsch, MD

  • Mark Lott

    Mark Lott, PhD

  • Kenneth E. Lyn-Kew

    Kenneth E. Lyn-Kew, MD

  • Michelle MacDonald

    Michelle MacDonald, MS, RDN, CDE

  • Sean Maddock

    Sean Maddock, MD

  • Lisa A. Maier

    Lisa A. Maier, MD, MSPH, FCCP, ATSF

  • Barry J. Make

    Barry J. Make, MD

  • Mehrnaz Maleki Fischbach

    Mehrnaz Maleki Fischbach, MD

  • Vipin Malik

    Vipin Malik, MD

  • Mark Mallozzi

    Mark Mallozzi, MD, MPH

  • Laurie A. Manka

    Laurie A. Manka, MD

  • Robert J. Mason

    Robert J. Mason, MD

  • Richard T. Meehan

    Richard T. Meehan, MD, FACP

  • Jenna Milliron

    Jenna Milliron, NP-C

  • John D. Mitchell

    John D. Mitchell, MD

  • Michael P. Mohning

    Michael P. Mohning, MD

  • Kara Mould

    Kara Mould, MD, MPH

  • Jennifer Moyer Darr

    Jennifer Moyer Darr, LCSW

  • Nathan Murphey

    Nathan Murphey, NP

  • Rao Mushtaq

    Rao Mushtaq, MD

  • Joshua Nardin

    Joshua Nardin, DO

  • Michael Nevid

    Michael Nevid, MD

  • Christine Nguyen

    Christine Nguyen, DO

  • Jerry A. Nick

    Jerry A. Nick, MD

  • James K. O'Brien

    James K. O'Brien, MD, FACP, FCCP

  • J. Tod Olin

    J. Tod Olin, MD, MSCS

  • Claudia Onofrei

    Claudia Onofrei, MD, MSc

  • Kanao Otsu

    Kanao Otsu, MD, MPH

  • Karin A. Pacheco

    Karin A. Pacheco, MD, MSPH

  • Girish Paranjape

    Girish Paranjape, DO, ABFM, CAQSM

  • Pranav Periyalwar

    Pranav Periyalwar, MD, FACG, FASGE

  • Irina Petrache

    Irina Petrache, MD

  • Nathan Rabinovitch

    Nathan Rabinovitch, MD, MPH

  • Sandhya Rai-Sherpa

    Sandhya Rai-Sherpa, MD, PhD

  • Elizabeth Anne Regan

    Elizabeth Anne Regan, MD, PhD

  • Clara Restrepo

    Clara Restrepo, MD

  • Sarah Rhoads

    Sarah Rhoads, MD

  • Lyndsey Roetker

    Lyndsey Roetker, AG-ACNP

  • Cecile S. Rose

    Cecile S. Rose, MD, MPH

  • Kevin Rurak

    Kevin Rurak, MD

  • Milene Saavedra

    Milene Saavedra, MD

  • Howard Saft

    Howard Saft, MD, MS

  • Robert A. Sandhaus

    Robert A. Sandhaus, MD, PhD, FCCP

  • Smarika Sapkota

    Smarika Sapkota, MD

  • Lauren E. Sarnat

    Lauren E. Sarnat, MD

  • Michael D. Schwartz

    Michael D. Schwartz, MD, FCCM

  • Jennifer Sederberg

    Jennifer Sederberg, NP

  • Savannah Shannon

    Savannah Shannon, PA-C

  • Amy Silverberg

    Amy Silverberg, MD

  • Elizabeth Devon Smith

    Elizabeth Devon Smith, PhD

  • Jamey Smyser

    Jamey Smyser, RPA

  • Joshua J. Solomon

    Joshua J. Solomon, MD

  • Neil Sondhi

    Neil Sondhi, MD

  • Evan L. Stepp

    Evan L. Stepp, MD

  • Jenna Summers

    Jenna Summers, FNP-C

  • Raphael Sung

    Raphael Sung, MD, FACC, FHRS

  • Jeff Swigris

    Jeff Swigris, DO, MS

  • Jinny Tavee

    Jinny Tavee, MD

  • Jennifer L. Taylor-Cousar

    Jennifer L. Taylor-Cousar, MD, MSCS

  • Neil W. Toribara

    Neil W. Toribara, MD, PhD

  • Sheila Tsai

    Sheila Tsai, MD

  • Jessica VanderKwaak

    Jessica VanderKwaak, CRNA

  • Kalie M. VonFeldt

    Kalie M. VonFeldt, PA-C, MS

  • Stacey Wall

    Stacey Wall, DNP, APRN, CPNP-AC/PC

  • Eileen Wang

    Eileen Wang, MD, MPH

  • Richard W. Weber

    Richard W. Weber, MD

  • Ryan Webster

    Ryan Webster, MD

  • Michael E. Wechsler

    Michael E. Wechsler, MD, MMSc

  • Howard D. Weinberger

    Howard D. Weinberger, MD, FACC

  • Catherine Wittman

    Catherine Wittman, MD

  • Chen-Shan Julia Woodcock

    Chen-Shan Julia Woodcock, PhD

  • James Woodrow

    James Woodrow, MD

  • Kathleen Yan

    Kathleen Yan, MD

  • Renee Young

    Renee Young, DO

  • Zulma X. Yunt

    Zulma X. Yunt, MD

  • Daniel Zank

    Daniel Zank, MD

  • Pamela L. Zeitlin

    Pamela L. Zeitlin, MD, MPhil, PhD