Sarah M. Bagley MD

Associate Professor, General Internal Medicine

Associate Professor, Adolescent Medicine

801 Massachusetts Ave | (617) 414-7399
Sarah Bagley

General Internal Medicine


Clinical Addiction Research and Education Unit


Dr. Sarah Bagley is a primary care physician at Boston Medical Center. A graduate of the Georgetown University School of Medicine, the Combined Internal Medicine and Pediatrics Residency at Brown University, and the Boston University Addiction Medicine Fellowship, her particular research interests are in the treatment of opioid use disorders in the adolescent and young adult population and the involvement of the family in addiction care. She sees patients in both General Internal Medicine and the Adolescent Center. She is the Medical Director of the CATALYST Clinic – a clinical program to provide integrated medical and behavioral health care for adolescents and young adults who use substances – and an Attending on the inpatient Addiction Consult Service.


Medicine-Internal, MD, Georgetown University School of Medicine, 2008

Public Health - Epidemiology, MSc, Boston University School of Public Health, 2017

Classics, BA, Brown University, 2001


Published on 5/1/2023

Xuan Z, Yan S, Formica SW, Green TC, Beletsky L, Rosenbloom D, Bagley SM, Kimmel SD, Carroll JJ, Lambert AM, Walley AY. Association of Implementation of Postoverdose Outreach Programs With Subsequent Opioid Overdose Deaths Among Massachusetts Municipalities. JAMA Psychiatry. 2023 May 01; 80(5):468-477. PMID: 36920385.

Published on 1/24/2023

Leitz SJ, Bagley SM, Cook AJ, Jones C, Lawrence D, Pearce P. Strategies to Reduce Harm: An Expert Panel Discussion on the Fentanyl Crisis. Perm J. 2023 Mar 15; 27(1):3-15. PMID: 36691739.

Published on 1/9/2023

Laks J, Walley AY, Bagley SM, Barber CM, Gaeta JM, Neville LA, Peterkin AF, Rosenthal E, Saia KA, Weinstein ZM, Harris MTH. Developing a Women's Health track within addiction medicine fellowship: reflections and inspirations. Addict Sci Clin Pract. 2023 Jan 09; 18(1):3. PMID: 36617557.

Published on 12/1/2022

Winer JM, Yule AM, Hadland SE, Bagley SM. Addressing adolescent substance use with a public health prevention framework: the case for harm reduction. Ann Med. 2022 Dec; 54(1):2123-2136. PMID: 35900132.

Published on 10/23/2022

Hoch AM, Schoenberger SF, Boyle TP, Hadland SE, Gai MJ, Bagley SM. Attitudes and training related to substance use in pediatric emergency departments. Addict Sci Clin Pract. 2022 Oct 23; 17(1):59. PMID: 36274146.

Published on 10/8/2022

Bagley SM, Schoenberger SF, dellaBitta V, Lunze K, Barron K, Hadland SE, Park TW. Ambivalence and Stigma Beliefs About Medication Treatment Among Young Adults With Opioid Use Disorder: A Qualitative Exploration of Young Adults' Perspectives. J Adolesc Health. 2023 Jan; 72(1):105-110. PMID: 36216678.

Published on 8/1/2022

Wilson JD, Bagley SM. An Urgent Need to Focus on Youth With Opioid Use Disorder. J Adolesc Health. 2022 Aug; 71(2):143-144. PMID: 35870825.

Published on 6/25/2022

Bagley SM, Schoenberger SF, dellaBitta V, Lunze K, Barron K, Hadland SE, Park TW. An Exploration of Young Adults With Opioid Use Disorder and How Their Perceptions of Family Members' Beliefs Affects Medication Treatment. J Addict Med. 2022 Nov-Dec 01; 16(6):689-694. PMID: 35749777.

Published on 5/1/2022

Allen EB, Michelson CD, O'Donnell KA, Bagley SM, Earlywine J, Hadland SE. Training in Adolescent Substance and Opioid Misuse in Pediatric Residency Programs. Pediatrics. 2022 May 01; 149(5). PMID: 35437591.

Published on 4/25/2022

Barocas JA, Gai MJ, Nurani A, Bagley SM, Hadland SE. Initiation of HIV pre-exposure prophylaxis among youth in the United States, 2015-2018. AIDS Care. 2023 Mar; 35(3):431-436. PMID: 35468009.

View full list of 61 publications.