Dr. Merlo is an internist who specializes in pulmonary and critical care medicine. Dr. Merlo also has clinical expertise in the care of patients with cystic fibrosis as well as clinical expertise in the care of patients with advanced lung disease who may require or have undergone lung transplantation. Dr. Merlo holds a joint appointment in epidemiology at the Johns Hopkins Bloomberg School of Public Health. Dr. Merlo attended the College of the Holy Cross and completed medical school and residency training in internal medicine at Georgetown University. He completed both clinical and research fellowships in pulmonary and critical care medicine at Johns Hopkins, and earned his M.P.H. at the Bloomberg School of Public Health. His research interests include outcomes in lung transplantation and cystic fibrosis, HIV-related pulmonary disease, and outcomes in Osler Weber Rendu. Dr. Merlo serves as the Associate Program Director of Scholarship for the Osler Medical Housestaff Training Program. He has contributed numerous scientific papers and book chapters related to cystic fibrosis and lung transplantation, and his awards include the Harry Shwachman Clinical Investigator Award from the Cystic Fibrosis Foundation. Dr. Merlo is rated as an Elite provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Aspergillosis, Lung Transplant, and Endoscopy.

Dr. Lechtzin is a pulmonary and critical care medicine physician. He directs the Adult CF program and the neuromuscular pulmonary clinic at Johns Hopkins and is an expert in the treatment of cystic fibrosis, pulmonary complications of neuromuscular disease and the care of critically ill patients in the Medical ICU. He is a member of the Longcope Firm Faculty and provides teaching to medical students and residents at Johns Hopkins. Dr. Lechtzin is rated as an Elite provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Lung Transplant, and Endoscopy.

Dr. Natalie West is a pulmonary specialist in the Greater Baltimore area who specializes in the diagnosis and treatment of cystic fibrosis. Her focus also includes the treatment of interstitial lung disease, lung transplantation, COPD, asthma, and pulmonary hypertension. She also manages patients in the medical intensive care unit with acute respiratory failure caused by asthma, pneumonia, COPD, and the acute respiratory distress syndrome, as well as other conditions such as gastrointestinal bleeding, pulmonary embolism, diabetic ketoacidosis, and shock from sepsis, hypovolemia, and heart disease. Dr. West also serves as the associate program director of the Johns Hopkins Pulmonary and Critical Care Fellowship Program and plays an active role in recruitment of new fellows and mentoring fellows in the division. Dr. West is rated as an Elite provider by MediFind in the treatment of Cystic Fibrosis. Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Pseudomonas Stutzeri Infections, and Lung Transplant.

Mark Jennings is a Pulmonary Medicine specialist and a Pediatrics provider in Lanham, Maryland. Dr. Jennings is rated as an Elite provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Jaundice. Dr. Jennings is currently accepting new patients.

Dr. Rebecca Dezube is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise are cystic fibrosis and critical care medicine. She sees patients in the adult cystic fibrosis (CF) clinic as well as in the medical intensive care unit (MICU). She received her A.B. from Harvard University and earned her M.D. from Vanderbilt University School of Medicine. She completed her residency in internal medicine at Johns Hopkins, where she also served as an Assistant Chief of Service. She also trained as a fellow in pulmonary and critical care medicine at Johns Hopkins and served as the Chief Fellow in Pulmonary and Critical Care Medicine. Dr. Dezube joined the Johns Hopkins faculty in 2017. Dr. Dezube is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), and Newborn Jaundice.

Dr. Peter Mogayzel is the Menowitz/Rosenstein Professor of Pediatric Respiratory Sciences at the Johns Hopkins University School of Medicine. His areas of clinical expertise include pediatric pulmonary medicine and the treatment of cystic fibrosis. He has served as the director of the Johns Hopkins Cystic Fibrosis Center since 2002. Dr. Mogayzel attended Brown University and received his M.D. and Ph.D. degrees from Boston University and an M.B.A. from Johns Hopkins University. He completed his pediatric residency at the University of Washington, and finished pediatric pulmonary and pediatric critical care fellowships at Johns Hopkins in 1998 before joining the faculty. His research interests include the regulatory properties of the CFTR gene, mucociliary clearance and development of new therapeutics for cystic fibrosis. Dr. Mogayzel has provided care for children with cystic fibrosis and has been active in the CF community since his arrival at Johns Hopkins. He served as Chairman of the Clinical Practice Guidelines for Pulmonary Therapies Committee and the Therapeutic Development Network Protocol Review Committee both of the Cystic Fibrosis Foundation. He is also a past Chairman of the Cystic Fibrosis Foundation Center Committee which accredits cystic fibrosis care centers in the US. He is currently a member of the Board of Directors of the Cystic Fibrosis Foundation. Dr. Mogayzel is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Pseudomonas Stutzeri Infections.

Dr. Kristina Montemayor is an Assistant Professor of Medicine in the Division of Pulmonary and Critical Care Medicine at Johns Hopkins. She worked as a bedside nurse for five years prior to receiving her medical degree with honors from the University of Texas Medical Branch and then completed her Internal Medicine residency and Pulmonary and Critical Care fellowship training at Johns Hopkins. Her clinical and research areas of expertise include adult cystic fibrosis, sex differences in pulmonary exacerbations, and women's health in cystic fibrosis. Her clinical work also involves caring for critically ill patients in Intensive Care Units. Dr. Montemayor joined the faculty in 2020 and has also been involved with undergraduate and graduate medical education. At the UME level, she is the Course Director for the pulmonary section of the pre-clerkship courses. At the GME level, she is Firm Faculty Leader of the Longcope Firm and Senior Associate Program Director of the Osler Medical Residency. In July 2024, she became the Director of the Fellowship Training Program in Pulmonary and Critical Care Medicine. Dr. Montemayor is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Bronchiectasis.

Dr. Wise is a pulmonary, critical care physician. He is an expert in the diagnosis and treatment of patients with obstructive lung disease, including those with asthma and COPD. He is a consultant for patients with scleroderma and interstitial lung disease. He has expertise in pulmonary physiology and lung function testing. Dr. Wise’s research focus is the conduct of multi-center clinical trials in airway diseases and related translational research. Dr. Wise is the co-director of the Pulmonary T32 Multi-disciplinary Training Program in Pulmonary Disease. Dr. Wise is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Systemic Sclerosis (SSc), Interstitial Lung Disease, Acute Interstitial Pneumonia, and Sarcoidosis.

Dr. J. Michael Collaco is a professor of pediatrics at the Johns Hopkins University School of Medicine. His clinical specialty is pediatric pulmonary medicine, including chronic lung disease of premature infants, lung disease in medically complex patients including ventilators and tracheostomies, hereditary hemorrhagic telangiectasia, aerodigestive disorders, and general pediatric pulmonary conditions. He sees patients inpatient and outpatient at Johns Hopkins (East Baltimore campus), inpatient and outpatient at Mount Washington Pediatric Hospital, and inpatient at Kennedy Krieger Institute. Dr. Collaco attended Yale University for undergraduate studies and received his M.D. and M.S. (Anatomy) from Case Western University School of Medicine in Cleveland, Ohio. He completed his pediatric residency, pediatric pulmonary fellowship, M.B.A., M.P.H., and Ph.D. (Clinical Epidemiology) at the Johns Hopkins University. Dr. Collaco joined the Johns Hopkins faculty in 2008. His primary research interest is in the epidemiology of pediatric respiratory diseases, with a focus on environmental risk factors for cystic fibrosis and bronchopulmonary dysplasia as well as a special interest in the effects of secondhand smoke and electronic cigarette emissions. He has published over 140 peer-reviewed articles. Dr. Collaco is a member of the Cystic Fibrosis Research Development Center and the Hereditary Hemorrhagic Telangiectasia Center of Excellence. He has been recognized by Johns Hopkins with the John C. Hume Scholarship, the Francis F. Schwentker Research Award, and the Robert Dyar Award. Dr. Collaco is a fellow of the American Academy of Pediatrics. Dr. Collaco is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Bronchopulmonary Dysplasia, Cystic Fibrosis, Pulmonary Hypertension, Pseudomonas Stutzeri Infections, and Gastrostomy.

Dr. Shruti Paranjape attended the University of Pennsylvania and received her M.D. from the University of Pittsburgh. She completed her pediatrics residency and pediatric pulmonology fellowship at Children’s Hospital of Pittsburgh. She has served as the Assistant Director of the CF Center at Children’s Hospital of Pittsburgh. Her awards include the James Sutherland Award for Outstanding Research by a Young Investigator. Dr. Paranjape is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Jaundice.

Patrick Sosnay is an Intensive Care Medicine specialist and a Pulmonary Medicine provider in Baltimore, Maryland. Dr. Sosnay is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Lung Metastases.

Bruce Marshall is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Marshall is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Pseudomonas Stutzeri Infections, Severe Acute Respiratory Syndrome (SARS), COVID-19, and Lung Transplant.

Michael Noto is an Intensive Care Medicine specialist and a Pulmonary Medicine provider in Baltimore, Maryland. Dr. Noto is rated as a Distinguished provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Pneumomediastinum.

Dr. McCormack is a pulmonary, critical care physician and Associate Director of the Pulmonary & Critical Care Medicine Division. She is an expert in the diagnosis and treatment of patients with obstructive lung disease, including those with asthma and COPD. She has expertise in pulmonary physiology. She serves as the Medical Director of the Johns Hopkins University Pulmonary Function Laboratory and as the Chair of the American Thoracic Society Pulmonary Function Test Committee. She earned her M.D. from Jefferson Medical College of Thomas Jefferson University and her M.H.S. from the Bloomberg School of Public Health. She completed her residency at Thomas Jefferson University Hospital and performed a fellowship in pulmonary and critical care medicine at Johns Hopkins. She was the recipient of the Frederick L. Brancati Excellence in Mentoring Award. She plays an active role in mentoring fellows and junior faculty in the Pulmonary & Critical Care Medicine Division. Dr. Mccormack is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. Her top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Asthma, Acute Interstitial Pneumonia, Interstitial Lung Disease, and Lung Transplant.

Dr. Michael Boyle is an Adjunct Professor of Medicine at the Johns Hopkins University School of Medicine, and President and CEO of the U.S. Cystic Fibrosis Foundation. His areas of expertise include adult cystic fibrosis care and research. Dr. Boyle founded and directed the Johns Hopkins Adult Cystic Fibrosis Program from 1999 to 2015 at the Johns Hopkins Cystic Fibrosis Center. Dr. Boyle completed all of his medical training at Johns Hopkins including fellowship in pulmonary and critical care medicine before joining the Johns Hopkins faculty in 1999. He is internationally known both for his clinical research in CFTR modulators and for his work to improve care for adults with cystic fibrosis. While at Johns Hopkins he has received numerous honors including the American Lung Association’s George Comstock Career Achievement Award, American Federation of Clinical Research Achievement Award, “Patient’s Choice Award”, “Best Full-Time Faculty Teacher”, and “Best Doctors in America”. Dr. Boyle is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, and Newborn Jaundice.

Dr. Jonathan Orens is a professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include pulmonary and critical care medicine. He is an internationally recognized expert in lung transplantation. Dr. Orens received his M.D. from the University of Maryland School of Medicine. He completed his residency at the University of Maryland Medical Center and performed a fellowship in pulmonary and critical care medicine at the University of Michigan Hospitals. Dr. Orens joined the Johns Hopkins faculty in 1998. His research interests include clinical outcomes of lung transplantation, chronic allograft rejection and ischemic reperfusion injury. Dr. Orens is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Lung Transplant, and Endoscopy.

Dr. Sarath Raju is an instructor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include obstructive lung diseases (asthma, chronic obstructive pulmonary disease), chronic lung disease in persons living with HIV, and critical care medicine. Dr. Raju earned his M.D. from Rush Medical College. He completed his residency at Johns Hopkins, where he also performed a fellowship in pulmonary and critical care medicine. He previously served as an Assistant Chief of Service for the Osler Medical Housestaff Training Program at Johns Hopkins. Dr. Raju joined the Johns Hopkins faculty in 2020, and is supported by the NIH to conduct research investigating the intersection of HIV, environmental exposures, and lung health. Dr. Raju is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Bronchogenic Cyst, Lung Metastases, Bronchitis, and Endoscopy.

Dr. Pali Dedhiya Shah is a pulmonary and critical care physician. She is an expert in the diagnosis and treatment of advanced lung disease and lung transplantation. She is the medical director of the Johns Hopkins Lung Transplant program. She is a member of the International Society for Heart and Lung transplantation and provides teaching to medical students, residents and fellows at Johns Hopkins. Dr. Shah earned her medical degree from Jefferson Medical College of Thomas Jefferson University. She completed her residency at the Hospital of the University of Pennsylvania and performed a fellowship in pulmonary and critical care medicine at Johns Hopkins. Dr. Shah joined the Johns Hopkins faculty as an assistant professor of medicine in 2011. Dr. Shah is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. Her top areas of expertise are Acute Interstitial Pneumonia, Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis, Lung Transplant, and Endoscopy.

Dr. Fessler is a specialist in Pulmonary and Critical Care Medicine. He is an expert in the diagnosis and management of acute respiratory failure, including asthma, pneumonia, C.O.P.D., neuromuscular diseases, and the acute respiratory distress syndrome. He also has extensive experience in the management of other life-threatening conditions such as gastrointestinal bleeding, pulmonary embolism, diabetic ketoacidosis and hyperosmolar states, and shock. Dr. Fessler is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. His top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, Acute Interstitial Pneumonia, and Interstitial Lung Disease.

Lori Vanscoy is a Pediatric Pulmonologist in Baltimore, Maryland. Dr. Vanscoy is rated as an Advanced provider by MediFind in the treatment of Cystic Fibrosis. Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Jaundice.