Sara Clemens, MD

Penn Medicine, located in Philadelphia, PA, provides internal medicine services for patients aged 18 and up, with a focus on general well visits, vaccinations, and treatment for various health concerns. Dr. Wesley W. Butt MD, a board-certified family medicine physician at Penn Presbyterian Internal Medicine, offers expertise in conditions such as acne, allergies, diabetes, and hypertension, accepting a variety of insurance plans for patient accessibility. Generated from the website

Recognized in Philadelphia magazine's annual Top Docs issues, 2019 - 2021Medical Society of Philadelphia Practitioner of the year Award, 2015

Recognized by Best Doctors in America 2007 - 2012, 2015 - 2018Dr. Vincent Lo Re is Associate Professor of Medicine (Infectious Diseases) and Epidemiology at the University of Pennsylvania, Senior Scholar in the Penn Center for Clinical Epidemiology and Biostatistics, and Co-Director of the Penn Center for AIDS Research Clinical Core. Dr. Lo Re leads a research program that examines the epidemiology of acute and chronic liver diseases in HIV-infected patients. He has conducted population-based and mechanistic studies that have helped to move the field of chronic viral hepatitis and HIV/viral hepatitis coinfection forward in a unique way. Recent research has evaluated end-stage liver disease and liver cancer events among HIV/viral hepatitis-coinfected patients; examined how chronic viral hepatitis and HIV/viral hepatitis coinfection influence extra-hepatic outcomes; determined the impact that antiretroviral and non-antiretroviral drugs have on acute liver injury and progression of chronic viral hepatitis; and evaluated access to antiviral therapies for chronic hepatitis C infection. He has particular expertise in evaluating liver-related and other health outcomes within electronic healthcare databases. His research has been funded by the National Institute of Allergy and Infectious Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, National Cancer Institute, Agency for Healthcare Research and Quality, Department of Veterans Affairs, and the US Food and Drug Administration. He maintains an active clinical practice devoted to the care of patients with chronic viral hepatitis, particularly those coinfected with HIV. In addition to his clinical and research efforts, he is committed to fostering training in clinical research, teaching classes on HIV/viral hepatitis coinfection, biostatistics, infectious diseases epidemiology, and gastrointestinal epidemiology.