Jonathan B. Orens
Expertise in
4
conditions

Dr. Jonathan B. Orens

Transplant Surgery
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
Baltimore, MD 

Expertise in
4
conditions
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

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 highly rated in 4 conditions, according to our data. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Lung Transplant, and Endoscopy.

His clinical research consists of co-authoring 71 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Residency
University of Maryland Medical Center, Internal Medicine, 1991
Specialties
Transplant Surgery
Licenses
Internal Medicine in MD
Board Certifications
American Board Of Internal Medicine
Fellowships
University of Michigan Medical School, Pulmonary and Critical Care Medicine, 1994
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

Johns Hopkins Outpatient Center
Floor 7, Baltimore, MD 21287
Call: 410-614-4898

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.


71 Total Publications

Sustained Molecular Allograft Injury After Episodes of Acute Rejection and Organizing Pneumonia Increases the Risk of Lung Allograft Failure.
Sustained Molecular Allograft Injury After Episodes of Acute Rejection and Organizing Pneumonia Increases the Risk of Lung Allograft Failure.
Journal: Transplantation direct
Published: April 02, 2025
View All 71 Publications
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Christian Merlo
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Dr. Christian Merlo
Transplant Surgery
Expertise in
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Dr. Christian Merlo
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601 North Caroline Street, Floor 7, Floor 7, 
Baltimore, MD 
 (1.2 miles away)
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Languages Spoken:
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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 highly rated in 7 conditions, according to our data. His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Aspergillosis, Lung Transplant, and Endoscopy.

Expertise in
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Dr. Chandra S. Bhati
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Expertise in
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Dr. Chandra S. Bhati
Transplant Surgery | General Surgery

University Of Maryland Surgical Associates PA

22 S Green St, 
Baltimore, MD 
 (1.9 miles away)
410-328-5191
Languages Spoken:
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See accepted insurances
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Chandra Bhati is a Transplant Surgeon and a General Surgeon in Baltimore, Maryland. Dr. Bhati is highly rated in 23 conditions, according to our data. His top areas of expertise are Liver Failure, Chronic Antibody-Mediated Rejection, Non-Alcoholic Fatty Liver Disease, Liver Transplant, and Kidney Transplant. Dr. Bhati is currently accepting new patients.

Benjamin Philosophe
Expertise in
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Dr. Benjamin Philosophe
Transplant Surgery
Expertise in
13
conditions
Dr. Benjamin Philosophe
Transplant Surgery

Johns Hopkins Outpatient Center

Baltimore, MD 
 (1.2 miles away)
410-955-4006
Languages Spoken:
English, French, Hebrew
See accepted insurances
Offers Telehealth

Dr. Benjamin Philosophe is the surgical director of the Johns Hopkins Comprehensive Transplant Center. He also serves as the lead transplant surgeon at Sibley Memorial Hospital’s Hepatology Multidisciplinary Center. Dr. Philosophe was the first physician to perform robotic total right and total left hepatic resections in the state of Maryland. He has expanded the application of minimally invasive surgical approaches to other hepatobiliary diseases and has improved outcomes and reduced effects of surgery on these patients. Dr. Philosophe practices out of The Johns Hopkins Hospital in Baltimore, Md., as well as Johns Hopkins Community Physician locations in Bethesda, Md. and Lutherville, Md. He is also affiliated with Suburban Hospital and Johns Hopkins Howard County Medical Center. Dr. Philosophe has a wide range of expertise, including cirrhosis; hepatic surgery, hepatitis, hepatobiliary conditions and surgeries; biliary tract surgery and hepatopancreatobiliary surgery; laparoscopic surgeries; vascular surgery; and robotic surgeries. He also has an expertise in various kinds of transplant surgeries, such as kidney, live donor liver, liver and pancreas, as well as various kinds of cancer, such as bile duct, gallbladder, hepatocellular, liver and pancreatic. Dr. Philosophe earned his medical degree from Boston University School of Medicine. He completed a residency in general surgery at Barnes-Jewish Hospital, followed by a liver transplantation fellowship at the University of Toronto. Dr. Philosophe also completed a transplant surgery fellowship at the University of Maryland, where he went on to work as a professor of surgery and the head of liver transplantation and hepatobiliary surgery. Dr. Philosophe is a member of the American Board of Surgery, the Clinical Robotic Surgery Association, the American Society of Transplant Surgeons, the Transplantation Society and the International Liver Transplantation Society. He has earned a Super Doctors Award in general surgery from the Washington Post Magazine, as well as a Top Doctor Award for hepatobiliary surgery and transplant specialists from Baltimore Magazine. Dr. Philosophe has also been repeatedly named one of America’s Top Doctors and one of America’s Top Doctors for Cancer by Castle Connolly. Dr. Philosophe has contributed to numerous publications and presentations. His research interests include uncovering the mechanisms that contribute to transplant rejection and determining characteristics that can be used to better predict donor organ function. He has completed pioneering work in developing a scoring system called the Maryland Aggregate Pathology Index (MAPI), which is used by transplant surgeons worldwide to assess the likelihood of a deceased donor’s kidney function after transplantation. MAPI has increased the utilization of donor kidneys and saved many lives. Dr. Philosophe is highly rated in 13 conditions, according to our data. His top areas of expertise are Hepatitis, End-Stage Renal Disease (ESRD), Cholestasis, Liver Transplant, and Kidney Transplant.

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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

Find Dr. Orens's expertise for a condition
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  • Elite
  • Lung Transplant
    Dr. Orens is
    Elite
    . Learn about Lung Transplant.
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    • Advanced
    • Cystic Fibrosis
      Dr. Orens is
      Advanced
      . Learn about Cystic Fibrosis.
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    • Newborn Jaundice
      Dr. Orens is
      Advanced
      . Learn about Newborn Jaundice.
      See more Newborn Jaundice experts
    • Secondary Immunodeficiency (SID)
      Dr. Orens is
      Advanced
      . Learn about Secondary Immunodeficiency (SID).
      See more Secondary Immunodeficiency (SID) experts
    • Experienced
    • Acute Interstitial Pneumonia
      Dr. Orens is
      Experienced
      . Learn about Acute Interstitial Pneumonia.
      See more Acute Interstitial Pneumonia experts
    • Allergic Bronchopulmonary Aspergillosis
      Dr. Orens is
      Experienced
      . Learn about Allergic Bronchopulmonary Aspergillosis.
      See more Allergic Bronchopulmonary Aspergillosis experts
    • Aspergillosis
      Dr. Orens is
      Experienced
      . Learn about Aspergillosis.
      See more Aspergillosis experts
    • Bronchiolitis Obliterans
      Dr. Orens is
      Experienced
      . Learn about Bronchiolitis Obliterans.
      See more Bronchiolitis Obliterans experts
    • Bullae
      Dr. Orens is
      Experienced
      . Learn about Bullae.
      See more Bullae experts
    • Chronic Obstructive Pulmonary Disease (COPD)
      Dr. Orens is
      Experienced
      . Learn about Chronic Obstructive Pulmonary Disease (COPD).
      See more Chronic Obstructive Pulmonary Disease (COPD) experts
    View All 20 Experienced Conditions
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