Kathryn Artis, MD, MPH

Associate Professor of Medicine

Dr. Artis obtained her medical degree from Mount Sinai School of Medicine in New York, NY. She came to OHSU in 2007 where she completed internal medicine residency, served as chief resident and hospitalist director, completed pulmonary critical care fellowship and joined as faculty in 2015. Her research interests include optimizing use of the electronic health record (EHR) during inter-professional rounds in the intensive care unit and delivery of care through telemedicine, such as home-based pulmonary rehabilitation for COPD patients.

Christopher Chang, MD

Assistant Professor of Medicine

Dr. Chang earned his medical degree at Dartmouth Medical School and completed his internal medicine residency at the University of Southern California. After initially working as a hospitalist, he pursued a pulmonary and critical care fellowship at OHSU followed by an interventional pulmonary fellowship at the University of Texas MD Anderson Cancer Center. His clinical interests include advanced and therapeutic bronchoscopy, lung cancer, pleural diseases, and critical care medicine.

Mark S. Chesnutt, MD

Professor of Medicine

Dr. Chesnutt's clinical area of focus at OHSU is heredity hemorrhagic telangiectasia (HHT) and pulmonary arteriovenous fistula. He is director of the OHSU Hereditary Hemorrhagic Telangiectasia Center of Excellence within the Charles T. Dotter Department of Interventional Radiology. He received his MD from OHSU in 1986. He was a resident and chief resident in internal medicine at University of California, San Francisco (UCSF), and completed fellowship training in pulmonary and critical care medicine at UCSF and its Cardiovascular Research Institute. Since 2005 he has served as Director, Critical Care for the VA Portland Health Care System

David B Coultas, MD, FACP

Professor of Medicine

Staff Physician, VA Portland Health Care System

Dr. Coultas received his medical degree from the University of Florida and completed training in internal medicine, pulmonary and critical care at the University of New Mexico. He joined VA Portland Health Care System and OHSU in 2014. His research has focused on the epidemiology and prevention of chronic respiratory diseases including investigations of patients with interstitial lung diseases, environmental and occupational lung diseases, and COPD. These studies have been funded by the American Lung Association, National Institutes of Health, Robert Wood Johnson Foundation, and the VA Office of Rural Health. Most recently he has been exploring approaches for providing self-management support for patients with COPD and alternative methods for delivering pulmonary rehabilitation.

Kimberly Curlin, MN FNP-C

Kimberly Curlin, MN, FNP-C, earned her BSN at University of Washington and her Master of Nursing Degree, Family Nurse Practitioner at OHSU.  She joined VA Portland Health Care System in 2018 and is currently the Associate Director of the VISN 20 Centralized Lung Cancer Screening Program. 

Melanie Harriff, PhD

Research Associate Professor

Dr. Harriff received her Ph.D. in Molecular and Cellular Biology in 2007 from Oregon State University in the laboratories of Luiz Bermudez and Michael Kent. Following a year-long postdoctoral research position in the laboratory of Gary Thomas at the Vollum Institute at Oregon Health &Sciences University, Harriff worked as a postdoctoral research fellow in the Department of Pulmonary and Critical Care Medicine at OHSU, in the laboratory of David Lewinsohn. She joined the Research Department at the Portland VA Medical Center as a Research Microbiologist in 2011.

Stephanie Jacobson, DNP FNP-C

Stephanie Jacobson, DNP, FNP-C, attended the University of Portland for both her BSN and Doctor of Nursing Practice degrees. She works with lung cancer patients providing surveillance and ensuring they have survivorship needs met. She also sees general pulmonary patients in the fellows’ clinic and has created a smoking cessation clinic. She supports fellows and residents in management of their patients when they are not on service. Her clinical interests include developing a more comprehensive cancer survivorship program at the Portland VA and working with advanced COPD patients.

Elly Karamooz, MD

Assistant Professor of Medicine 

Elly is a native of Portland, Oregon. She graduated from Reed College in 2004, with her senior thesis focused on the manganese transport regulator, MntR, from Bacillus subtilis. She received her MD from the University of Illinois College of Medicine in 2005 and completed residency in Internal Medicine and fellowship in Pulmonary & Critical Care at OHSU. Elly was appointed to the Pulmonary and Critical Care Division’s T32 training grant during her fellowship, allowing her to pursue basic science research. She joined the Lewinsohn Lab in 2014 where she studied endosomal trafficking proteins and how they affect MR1-dependent presentation of Mycobacterium tuberculosis (Mtb). Elly joined the faculty at OHSU in 2016 and in 2017, she won the Rising Star Award for the PI-TB Assembly (formerly MTPI) of the American Thoracic Society. She joined the Portland VA Health Care System in 2018 where she works as a Pulmonary & Critical Care physician. In 2020, Elly received an NIH R21 and then an NIH K08 to continue her research on MR1. Her clinical interests include non-CF bronchiectasis and nontuberculous mycobacterial infections.

Suil Kim, MD, PhD

Associate Professor of Medicine

Dr. Kim graduated from the University of Chicago with an AB in Chemistry and an MS in Biochemistry. He earned a combined MD/PhD from the University of Michigan prior to completing residency training in Internal Medicine at the University of Pittsburgh. Moving West, he completed fellowship training in Pulmonary and Critical Care Medicine and at the University of California San Francisco before joining Portland VA/OHSU in 2011. During his early career, Dr. Kim led a translational research program on novel mechanisms of chronic airway inflammatory diseases. Currently, he focuses on patient care and education at the Portland VA, where he directs the Pulmonary Outpatient Clinic and the Pulmonary Function Laboratory and is VA Site Director for the OHSU Pulmonary and Critical Care Medicine Fellowship program. View Dr. Kim's bibliography here.

Miranda Lim, MD, PhD

Associate Professor

Dr. Miranda Lim is a physician-scientist in sleep medicine. She received a Bachelors degree from University of Southern California, a combined MD/PhD degree from Emory University in Atlanta in 2006, and completed a neurology residency at Washington University in Saint Louis in 2010, where she was Chief Resident. There, she studied the role of orexin and the sleep-wake cycle in a mouse model of Alzheimer's disease in Dr. David Holtzman's laboratory (Kang, Lim et al., Science 2009). She continued fellowship training in Sleep Medicine at the University of Pennsylvania, where she studied the mechanisms underlying sleep disturbances in traumatic brain injury (TBI) (Lim et al., Science Translational Medicine 2013). Dr. Lim is currently a Staff Physician at the VA Portland Health Care System and Assistant Professor at Oregon Health and Science University with joint appointments in the departments of Medicine, Neurology, Behavioral Neuroscience, and the Oregon Institute of Occupational Health Sciences. She is the recipient of a VA Career Development Award to perform translational sleep research in both mouse models and Veterans with TBI.

John G. Mastronarde, MD, MSc

Professor of Medicine

Dr. Mastronarde was born in Youngstown OH and attended John Carroll University in Cleveland Ohio for his undergraduate degree. He completed medical school and residency in Internal Medicine/Pediatrics at The Ohio State University and Columbus Children’s Hospital. He then completed pulmonary/critical care training at the University of Iowa and obtained sleep board certification via AASM and subsequently a master’s degree in clinical research at Indiana University.  Prior to moving to OHSU/VA he was at The Ohio State University for 12 years serving as Program Director for Pulm/CC fellowship and as Vice Chair of Education for the Department of Internal Medicine. His clinical activities are at the Portland VAMC.  He has a primary clinical interest in asthma having established an asthma clinic at the VA and he also sees patients in sleep clinics, general pulmonary clinics, on pulmonary inpatient consults and is part of the Portland VA’s comprehensive ALS clinic.

Christian Morales Perez, MD

Staff Physician

Dr. Perez received his MD from Temple University School of Medicine and completed his fellowship at the University of Pennsylvania Health System.

Lakshmi Mudambi, MD

Associate Professor of Medicine

Dr. Mudambi was born in New Mexico and is a board-certified Interventional Pulmonologist. She is the Director of Interventional Pulmonology at the Portland VA Health Care System. She received her medical degree from Rajiv Gandhi University of Health Sciences in Bangalore, India. She completed residency training in Internal Medicine at New York Medical College at Westchester Medical Center, fellowship training in Pulmonary and Critical Care at Baylor College of Medicine and fellowship training in Interventional Pulmonology at University of Texas-MD Anderson Cancer Center. Her clinical interests focus on the use of minimally invasive, advanced bronchoscopic and pleural procedures to reduce the impact of diagnosis and treatment of cancer-related thoracic pathology. Her current research interests include improving the quality and efficiency of staging and diagnosis of lung cancer in the VA.

Liana Schweiger, MD, MCR

Assistant Professor of Medicine

Dr. Schweiger was raised in New York City. She earned her undergraduate degree from New York University and medical degree from Albert Einstein College of Medicine. She completed her Internal Medicine residency at Beth Israel Deaconess Medical Center in 2015 and stayed on as an academic hospitalist for two years. She then completed fellowship in Pulmonary and Critical Care Medicine at OHSU, followed by a VA Advanced Fellowship in Health Services Research & Development at the VA Portland Health Care System and a master's in clinical research at OHSU. She joined OHSU and VA faculty in 2022. Her academic and clinical interests include building interdisciplinary trust and medical education in the ICU.  In her free time, she loves to snuggle her cats and explore Portland’s ever-evolving food scene.

Christopher Slatore, MD

Professor of Medicine

Dr. Slatore is interested in the prevention, detection, treatment, and healthcare delivery for patients with tobacco-related lung diseases, chiefly lung cancer and chronic obstructive pulmonary disease (COPD). His research has focused on improving patient outcomes and identifying innovative approaches to treatment in these areas. He is currently investigating the influence of patient-clinician communication on patient-centered outcomes for patients with and at risk of having lung cancer. Through the application of comparative research methodologies, he hopes to improve healthcare quality for patients with tobacco-related lung diseases. Access all of Dr. Slatore's publications.

Andrea (Anne) Smeraglio, MD

Associate Professor of Medicine

Co-Appointed to the Division of Hospital Medicine & the Division of Pulmonary & Critical Care Medicine

Dr. Smeraglio completed medical school at OHSU and received her internal medicine training at Stanford Hospital. She practices clinically as a hospitalist at the Portland Veterans Hospital. She has research interests in the cross-section of education and health system sciences. Specifically, how to engage trainees in using improvement science to provide better, more affordable, more equitable and safer care for our patients.  She serves as core faculty for Health Systems Science for the Division of Pulmonary, Allergy, and Critical Care Medicine and is working to expand the footprint of health systems education within the division through fellow & faculty development opportunities. In addition, she has been the Director for Health Systems Science for the internal medicine residency since 2020. In this role she oversees the longitudinal health systems science curriculum called TIS (Teaching Improvement Science) and the Health Systems Projects completed by all residents.  

Stephen M. Smith MB, BS, PhD

Professor of Medicine
Director of CCM Fellowship, OHSU
Director of Medical Critical Care, VAPORHCS

Dr. Smith completed his PhD studies and medical degree at the University of Newcastle upon Tyne, UK. He was a postdoctoral fellow at the National Institute for Medical Research, London and the Department of Molecular and Cellular Physiology at Stanford University. He completed postgraduate medical training in medicine and intensive care at Guy's Hospital, London and RPAH and RNSH, Sydney. Dr Smith's major research focus is on neuronal signaling and disease states. Current projects include the characterization of endogenous pathways that strongly modulate voltage-gated sodium channels, the identification of the mechanisms by which external calcium modulates excitability, and the determination of specialized mechanisms at the nerve terminal function. The laboratory is particularly interested in how these mechanisms are modified at times of acute brain injury. He continues this work in his laboratory in the Section of Research and Development, VAPORHCS. He is also interested in ICU-based research and is collaborating on a study to determine if food type affects tolerance and biome in the critically ill. A list of all Dr. Smith's publications.

Kelly C. Vranas, MD

Associate Professor of Medicine

Dr. Vranas was born in Eugene, OR, and is a graduate of Santa Clara University and Weill Medical College of Cornell University. She completed residency training in Internal Medicine at the University of Pennsylvania, then went on to complete two years of fellowship training in Pulmonary and Critical Care Medicine at Stanford University before finishing her fellowship at OHSU. Dr. Vranas' research focuses on mechanisms to improve the quality, efficiency, and value of critical care through innovations in the care delivery process. Specifically, Dr. Vranas is investigating the variability in ICU admitting patterns for low-risk patients within the VA healthcare system, with the goal of using this information to generate validated ICU admission standards applicable to patients with different needs and risk profiles. She is also interested in improving end-of-life care for critically ill patients through a better understanding of the association of documented care preferences with inpatient healthcare resource utilization and receipt of care consistent with patients' goal

Jeremy Wearn, MD

Assistant Professor

Dr. Wearn is a native of Oregon; he was born in Salem and completed high school in Portland. He graduated from the University of Oregon’s Clark Honors College in 2010 with a BS in Human Physiology. He received his MD from OHSU in 2015. He completed Internal Medicine residency and was a Chief Resident at Tulane University in 2019. He completed a Sleep Medicine Fellowship at the University of Chicago in 2020. He performs clinical activities at the Portland VA within Sleep Medicine and as a Hospitalist on the teaching service. He is the Associate Program Director of the Sleep Medicine Fellowship. His career interests focus on graduate medical education, the impact of sleep disordered breathing on cardiovascular disease, management of sleep disorders in inpatients, and expansion of telemedicine sleep services and home sleep testing.