Marc R. Larochelle, MD, MPH

Associate Professor, Medicine

Marc Larochelle
801 Massachusetts Ave Crosstown Center


Marc Larochelle is a general internist and clinical investigator specializing in addiction medicine at BMC and an assistant professor of medicine at BUSM. Larochelle’s clinical and research interests focus on the safety of opioid prescribing and the recognition and treatment of opioid use disorders. As a health services researcher, Larochelle aims to leverage insights from large data sources and translate the findings into interventions that improve the quality and value of health care delivered. His special interests are Primary Care and Addiction Medicine.

Other Positions

  • Faculty, Clinical Addiction Research and Education Unit, Medicine, Boston University Chobanian & Avedisian School of Medicine


  • University of Pittsburgh School of Medicine, MD
  • Harvard School of Public Health, MPH
  • Duke University, BSE


  • Published on 2/2/2024

    Bauer C, Hassan GH, Bayly R, Cordes J, Bernson D, Woods C, Li X, Li W, Ackerson LK, Larochelle MR, Stopka TJ. Trends in fatal opioid-related overdose in American Indian/Alaska Native Communities 1999-2021. Am J Prev Med. 2024 Feb 02. PMID: 38311190.

    Read at: PubMed
  • Published on 12/18/2023

    McCann NC, LaRochelle MR, Morgan JR. Out-of-pocket spending and health care utilization associated with initiation of different medications for opioid use disorder: Findings from a national commercially insured cohort. J Subst Use Addict Treat. 2023 Dec 18; 159:209281. PMID: 38122988.

    Read at: PubMed
  • Published on 10/13/2023

    Tilhou AS, Murray E, Wang J, Linas BP, White L, Samet JH, LaRochelle M. Trends in buprenorphine dosage and days supplied for new treatment episodes for opioid use disorder, 2010-2019. Drug Alcohol Depend. 2023 Nov 01; 252:110981. PMID: 37839942.

    Read at: PubMed
  • Published on 10/6/2023

    Christine PJ, Larochelle MR, Lin LA, McBride J, Tipirneni R. Removal of Medicaid Prior Authorization Requirements and Buprenorphine Treatment for Opioid Use Disorder. JAMA Health Forum. 2023 Oct 06; 4(10):e233549. PMID: 37862034.

    Read at: PubMed
  • Published on 10/2/2023

    Hammerslag LR, Mack A, Chandler RK, Fanucchi LC, Feaster DJ, LaRochelle MR, Lofwall MR, Nau M, Villani J, Walsh SL, Westgate PM, Slavova S, Talbert JC. Telemedicine Buprenorphine Initiation and Retention in Opioid Use Disorder Treatment for Medicaid Enrollees. JAMA Netw Open. 2023 Oct 02; 6(10):e2336914. PMID: 37851446.

    Read at: PubMed
  • Published on 8/23/2023

    Pustz J, Srinivasan S, Shrestha S, Larochelle MR, Walley AY, Samet JH, Babakhanlou-Chase H, Carpenter JF, Stopka TJ. Applied risk mapping and spatial analysis of address-level decedent data to inform opioid overdose interventions: The Massachusetts HEALing Communities Study. Drug Alcohol Depend. 2023 Oct 01; 251:110947. PMID: 37666091.

    Read at: PubMed
  • Published on 8/17/2023

    Scherrer JF, Sullivan MD, LaRochelle MR, Grucza R. Validating opioid use disorder diagnoses in administrative data: a commentary on existing evidence and future directions. Addict Sci Clin Pract. 2023 Aug 17; 18(1):49. PMID: 37592369.

    Read at: PubMed
  • Published on 6/1/2023

    Chhatwal J, Mueller PP, Chen Q, Kulkarni N, Adee M, Zarkin G, LaRochelle MR, Knudsen AB, Barbosa C. Estimated Reductions in Opioid Overdose Deaths With Sustainment of Public Health Interventions in 4 US States. JAMA Netw Open. 2023 Jun 01; 6(6):e2314925. PMID: 37294571.

    Read at: PubMed
  • Published on 5/18/2023

    Larochelle MR, Jones CM, Zhang K. Change in opioid and buprenorphine prescribers and prescriptions by specialty, 2016-2021. Drug Alcohol Depend. 2023 Jul 01; 248:109933. PMID: 37267746.

    Read at: PubMed
  • Published on 3/11/2023

    Stopka TJ, Larochelle MR, Li X, Bernson D, Li W, Ackerson LK, Bayly R, Dammann O, Bauer C. Opioid-related mortality: Dynamic temporal and spatial trends by drug type and demographic subpopulations, Massachusetts, 2005-2021. Drug Alcohol Depend. 2023 May 01; 246:109836. PMID: 36931131.

    Read at: PubMed

View 84 more publications: View full profile at BUMC

View all profiles