Internal Medicine

Margaret Lowenstein, MD, MPhil, MSHP

Maggie Lowenstein, MD, MPhil, MSHP is a general internist, addiction medicine physician, and an Assistant Professor of Medicine at the Perelman School of Medicine. Dr. Lowenstein’s research focuses on novel strategies for implementing evidence-based treatment and harm reduction interventions for opioid and other substance use disorders. She is interested in the delivery of substance use care in general medical settings as well as developing and studying low-barrier treatment models for substance use disorder. Dr. Lowenstein also co-chairs the Opioid Use Disorder Workgroup of the Penn Medicine Opioid Task Force and collaborates with partners in Philadelphia to disseminate of best practices for opioid use disorder care. She currently practices addiction medicine at the University of Pennsylvania and on Prevention Point Philadelphia’s mobile treatment unit

Ashish Thakrar, MD, MSHP

Ashish Thakrar, MD, MSHP is an Assistant Professor of Medicine in the Division of General Internal Medicine at the University of Pennsylvania’s Perelman School of Medicine. He is an internist and an addiction medicine specialist. Dr. Thakrar works clinically as a hospital-based addiction consult physician and as an outpatient primary care and addiction treatment physician. His research focuses on expanding and adapting evidence-based treatment for opioid use disorder for the era of fentanyl, xylazine, and other synthetic drugs. He earned his MD and MS in Health Policy Research at the University of Pennsylvania’s Perelman School of Medicine and he completed internal medicine residency and addiction fellowship training at Johns Hopkins.

Rachael Truchil, MD, MPH

Rachael Truchil is an Associate Professor of Clinical Medicine at the University of Pennsylvania Perelman School of Medicine in the Division of General Internal Medicine. She is board certified in Internal Medicine and Addiction Medicine and supervises the district health centers, refugee clinic and the THRIVE Addiction Medicine Clinics. She is a former PCPC graduate and proud of it! She returned to Penn in 2016 and initially split her to time working in the Philadelphia District Health Centers FQHC system and Penn, but has since transitioned full time to Penn to expand her reach in addiction medicine. She also course directs the medical student outpatient sub-internship and the Longitudinal Patient Experience Course. Outside of work, she likes to spend time outdoors with her husband, two kiddos, and dog. She loves cooking, knitting, and audiobooks.

Bridget R Durkin, MD, MBE

Bridget R Durkin (she/her) is a physician, medical ethicist, and theater artist from Philadelphia. She trained as an Addiction Medicine fellow at Cooper University Hospital in Camden, New Jersey, where she cared for patients with a range of substance use disorders and complex medical co-morbidities. She is currently a Hospice and Palliative Medicine fellow at the Hospital of the University of Pennsylvania in Philadelphia, and is also a member of the multidisciplinary hospital Ethics Committee.

Bridget trained in Internal Medicine and Primary Care at the Hospital of the University of Pennsylvania where she also attended medical school and obtained a master’s degree in Bioethics. Her interests include interdisciplinary medical education on clinical ethics, substance use disorders, and palliative care. She is passionate about supporting vulnerable patients, especially those living with substance use disorder and comorbid serious illness.