Program Directors

Alyssa Peterkin, MD  is an Assistant Professor of Medicine. She is an alumna and Director of the Grayken Fellowship in Addiction Medicine at Boston Medical Center. Her clinical roles include working as a hospitalist, rounding on the inpatient addiction consult service with fellows and working in Faster Paths, Boston Medical Center’s low barrier substance use disorder clinic.

Jessie Gaeta, MD has practiced Internal Medicine at Boston Health Care for the Homeless Program since 2002, and served as Chief Medical Officer from 2015-2022. Dr. Gaeta has dedicated herself to advocacy for and with people living with substance use disorders, particularly when they are disconnected from traditional pathways to care. She is always learning more from people with lived experience about homelessness, opioid use disorder, and harm reduction. Over the past two decades, she has spearheaded numerous innovative initiatives to rethink how we approach care for individuals with substance use disorder and complex health conditions, particularly when these conditions are exacerbated by severe poverty and social stigma.

Zoe Weinstein, MD, MSc is an Assistant Professor of Medicine, Associate Program Director of the Grayken Fellowship in Addiction Medicine program at BMC, Director of the Addiction Consult Service at BMC, and a 2015 graduate of the Addiction Medicine Fellowship. Her clinical work and research are focused on long-term Office-Based Addiction Treatment (OBAT) with buprenorphine, as well as the integration of addiction treatment with primary care and inpatient medical care.