James Lorenzen Boyer MD
Hepatology & Liver Transplantation
Ensign Professor of Medicine
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40 Temple Street, Suite 1ATemple Medical CenterNew Haven, CT 06510
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Summary
- Dr. James Boyer is a gastroenterologist based in New Haven, CT, with subspecialties in hepatology and liver transplantation. He completed his medical education at Johns Hopkins University and underwent multiple residencies in internal medicine at Yale-New Haven Medical Center, Johns Hopkins University, and New York Presbyterian Hospital. He is experienced in treating conditions such as primary sclerosing cholangitis, primary biliary cirrhosis, and viral hepatitides. Dr. Boyer has numerous publications focused on cholestatic liver diseases and has been involved in clinical trials for primary sclerosing cholangitis. He has been recognized with several awards, including the International Recognition Award from the European Association for the Study of the Liver in 2020 and has multiple certifications from Epic Systems Corporation.
Education & Training
Yale-New Haven Medical CenterResidency, Internal Medicine, 1966 - 1969
Johns Hopkins UniversityResidency, Internal Medicine, 1965 - 1966
New York Presbyterian Hospital (Cornell Campus)Residency, Internal Medicine, 1963 - 1964- New York Presbyterian HospitalInternship, Transitional Year, 1962 - 1963
- Johns Hopkins University School of MedicineClass of 1962
Certifications & Licensure
IL State Medical License 1972 - Present
CT State Medical License 1966 - 2027
MD State Medical License 1969 - 1978
American Board of Internal Medicine Internal Medicine
Awards, Honors, & Recognition
- European Association for the Study of the Liver’s International Recognition Award EASL, 2020
- Distinguished Alumni Award Sidwell Friends School, 2019
- Fellow of the American Physiological Society American Physiological Society, 2019
Clinical Trials
Publications & Presentations
PubMed
- Long-Term Use of Fenofibrate as Second-Line Therapy in Primary Biliary Cholangitis: A Retrospective Study.Mariko Maxwell, Yanhong Deng, Bonnie Chen, Marina G Silveira, James L Boyer
Alimentary Pharmacology & Therapeutics. 2026-05-01 - The Utility of Elastography in Discriminating Stages of Liver Fibrosis and Risk Stratification in Patients With Primary Sclerosing Cholangitis: A Systematic Review.Payam Hashemi, James L Boyer, Jonathan H Langdon
Journal of Magnetic Resonance Imaging. 2026-04-01 - Ileal Bile Acid Transporter Inhibitors in Cholestasis: Potential for More Than Just Paediatrics?Mahesh Krishna, James Lorenzen Boyer
Liver International. 2026-03-01
Press Mentions
World Leaders Celebrate Liver Disease Successes, Prepare for Challenges AheadMarch 7th, 2022
Maintaining a Vibrant and Productive Laboratory as a Senior InvestigatorJune 18th, 2017
Grant Support
- Pilot And Feasibility ProgramNational Institute Of Diabetes And Digestive And Kidney Diseases2009–2011
- Cellular And Molecular Physiology CoreNational Institute Of Diabetes And Digestive And Kidney Diseases2009–2011
- Administrative Core And Enrichment ProgramNational Institute Of Diabetes And Digestive And Kidney Diseases2009–2011
- Mechanisms Of Bile Secretion And CholestasisNational Institute Of Diabetes And Digestive And Kidney Diseases1990–2011
- Administrative CoreNational Institute Of Environmental Health Sciences2007–2008
Professional Memberships
- Fellow
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