Overview
John Shumar is an Internal Medicine specialist and an Intensive Care Medicine provider practicing medicine in Fort Belvoir, Virginia.
His clinical expertise encompasses Sarcoidosis.
He is actively involved in clinical research, co-authoring 7 peer reviewed articles.
Graduate Institution
Residency
Specialties
Licenses
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- OTHER MANAGED MEDICAID
- EPO
- HMO
- POS
- PPO
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Inova Medical Group - Transplant Specialties
Oksana A. Shlobin, MD, FCCP, serves as Medical Director for the Pulmonary Hypertension Program and Director of Outreach and Education for the Inova Advanced Lung Disease and Transplant Program at Inova Fairfax Hospital. She is also an Associate Professor of Clinical Medicine at Georgetown University School of Medicine and an Associate Clinical Professor of Medicine at the University of Virginia. Dr. Shlobin is board certified in pulmonary and critical care medicine. Dr. Shlobin has been actively involved in clinical research both during her fellowship and her tenure at Inova. She is co-author of multiple publications, including original research manuscripts, abstracts and book chapters. Her research interests include pulmonary hypertension and interstitial lung diseases. Blog Posts What is Pulmonary Hypertension? Learn the Facts to Breathe Easy (November 2018) Pulmonary Hypertension is Serious. Learn to Spot the Signs (May 2017). Dr. Shlobin is highly rated in 19 conditions, according to our data. Her clinical expertise encompasses Pulmonary Hypertension, Acute Interstitial Pneumonia, Interstitial Lung Disease, Lung Transplant, and Endoscopy.
Inova Medical Group - Transplant Specialties
Schar Chair, Advanced Lung Disease and Lung Transplant Medical Director, Advanced Lung Disease and Lung Transplant Program, Inova Schar Heart and Vascular Professor of Medical Education, University of Virginia, Inova CampusSteven D. Nathan, MD, FCCP, is the medical director of Inova’s Advanced Lung Disease Program and Lung Transplant Program. He is also a professor of medicine at the University of Virginia.Dr. Nathan is board certified in pulmonary diseases, critical care medicine and internal medicine. The author of more than 500 publications, Dr. Nathan is internationally recognized for his expertise in advanced lung diseases. He is co-editor of two books on idiopathic pulmonary fibrosis that provide pulmonologists and other healthcare workers with an up-to-date review of the background and advances in the field: Idiopathic Pulmonary Fibrosis and Guide to Clinical Management of Idiopathic Pulmonary Fibrosis. He also has written original research manuscripts, abstracts, reviews and book chapters. Dr. Nathan is a reviewer for multiple journals and is on the editorial board for the journal, Thorax. He has served on multiple committees, including U.S. Food and Drug Administration advisory boards as well as steering committees for clinical trials in IPF and pulmonary hypertension, where he has also served as chair. Dr. Nathan is a member of several professional medical associations, including the American Thoracic Society, the American College of Chest Physicians, and the International Society for Heart and Lung Transplantation. He has delivered talks and been chairperson of numerous sessions at many national and international conferences. Dr. Nathan is highly rated in 18 conditions, according to our data. His clinical expertise encompasses Idiopathic Pulmonary Fibrosis, Acute Interstitial Pneumonia, Interstitial Lung Disease, Lung Transplant, and Prostatectomy.
Inova Medical Group - Transplant Specialties
Shambhu Aryal, MD, FCCP, serves as Medical Director for the Inova Lung Transplant Program and Inova Sarcoidosis Center. He is board certified in internal medicine, pulmonology and critical care, with expertise in lung transplantation, sarcoidosis, interstitial lung diseases, pulmonary hypertension and bronchiectasis. Dr. Aryal joined Inova in 2017 with several years of clinical experience, immediately following an assistant professorship at Duke University Hospital. Dr. Aryal says that helping patients get a second chance at life is the most fulfilling aspect of transplant pulmonology. His expertise in advanced lung disease management and transplantation equips him to provide the best possible medical care to patients with severe lung diseases. Additionally, he has served as a clinical investigator for many clinical trials in his areas of expertise. Originally from Nepal, Dr. Aryal resides in Northern Virginia with his wife and two boys. He enjoys time with his family, watching his sons' soccer and basketball games, and traveling. Dr. Aryal is highly rated in 13 conditions, according to our data. His clinical expertise encompasses Acute Interstitial Pneumonia, Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis, Pulmonary Fibrosis, and Lung Transplant.
Frequently Asked Questions about Dr. John N. Shumar
How do I make an appointment with Dr. John N. Shumar?
You can book an appointment with Dr. John N. Shumar by calling their office at 571-231-6659. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John N. Shumar a top-rated expert for Sarcoidosis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John N. Shumar is classified as an Experienced expert for Sarcoidosis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John N. Shumar specialize in?
While Dr. John N. Shumar is a Intensive Care Medicine, they have specific expertise in Sarcoidosis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Intensive Care Medicine.
Does Dr. John N. Shumar participate in research or clinical trials?
Yes. Dr. John N. Shumar has published 7 articles and abstracts on conditions like Sarcoidosis. You can view a list of Dr. John N. Shumar's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. John N. Shumar accept my insurance?
Dr. John N. Shumar accepts most major insurance plans, including Managed Medicaid and UnitedHealthcare. We recommend calling the office directly at 571-231-6659 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers



