Peter R. Chai MD MMS

Medical Toxicology

Fellow in Medical Toxicology

55 Lake Ave NDepartment of Emergency MedicineWorcester, MA 01655
Phone+1 508-421-1400
Fax+1 508-421-1490

Dr. Chai is on Doximity

As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

See Dr. Chai's full profile Already have an account?

Summary

Dr. Peter Chai is an emergency medicine specialist with a subspecialty in medical toxicology, based in Worcester, MA. He completed his residency in emergency medicine at Brown University from 2010 to 2014, following his medical education at The Warren Alpert Medical School of Brown University. Dr. Chai has authored several publications, including studies on music interventions for chronic pain, cannabidiol for anxiety, and opioid safety devices. He has also conducted clinical trials on sepsis risk monitoring, telehealth triage systems, and digital tools for monitoring medication adherence.

Education & Training

Rhode Island Hospital/Brown University HealthResidency, Emergency Medicine, 2010 - 2014
The Warren Alpert Medical School of Brown UniversityClass of 2010

The following disclaimer is related to board certifications obtained from ABMS®, denoted by the ABMS® logo.

This information is proprietary data maintained in a copyrighted database owned by the American Board of Medical Specialties®. The display and presence of ABMS Data in no way constitutes any affiliation, association with, or endorsement of any advertising, promotion, or sponsorship by ABMS and its affiliates and subsidiaries, the ABMS Member Boards, or ABMS board certified physicians and medical specialists. Copyright 2026 American Board of Medical Specialties®. All rights reserved.

The user is responsible for ensuring that the profile obtained in this directory is the profile of the physician or medical specialist being sought.

A self-designated specialty, subspecialty, or practice area neither implies nor is equivalent to ABMS board certification or the existence of specialized training by or competence of a physician or medical specialist.

Certifications & Licensure

MA State Medical License 2014 - 2028
VT State Medical License 2021 - 2024
RI State Medical License 2010 - 2014
American Board of Emergency Medicine Emergency Medicine
American Board of Emergency Medicine Medical Toxicology

Clinical Trials

Development of Ingestible Biosensors to Enhance PrEP Adherence in Substance Users (PrEPSteps) Start of enrollment: 2019 Jun 20
COMPLETED
PHASE3
Feasibility and Acceptability of Digital Pills to Monitor PrEP Adherence in MSM With Substance Use Start of enrollment: 2018 Oct 01
COMPLETED
PHASE4
Acceptability of Telehealth Triage Using Robotic Systems in COVID-19 Start of enrollment: 2020 Mar 10
COMPLETED

Publications & Presentations

PubMed

Pharmacological and Nonpharmacological Interventions to Address Insomnia Symptoms and Poor Sleep Quality Among People With HIV: Protocol for a Scoping Review.
Elliott R Weinstein, Meghan J Linder, Jessie Y Liu, Carol Mita, Peter R Chai
JMIR Research Protocols. 2026-10-14
Symptom Networks in Postsurgical Cancer Pain Across Recovery Stages.
Jian Zhao, Kristin L Schreiber, Jenson Kaithamattam, Ali John Zarrabi, Sara M DeForge
Pain Management Nursing. 2026-10-01
Intersecting stigma and sexual relationships among minoritised sexual minority men and nonbinary individuals assigned male at birth in Boston, USA.
Amelia M Stanton, Jacklyn D Foley, Samantha M McKetchnie, Justin Hinchey, Jennifer Mutén
Culture, Health & Sexuality. 2026-08-28

Journal Articles

Pharmacologic Treatment of Opioid Use Disorder: A Review of Pharmacotherapy, Adjuncts, and Toxicity
Peter R. Chai, Edward W. Boyer, Michael S. Toce, Michele M. Burns, Journal of Medical Toxicology

Press Mentions

Finding the ‘Centerpiece’ for a Smarter Patient RoomNovember 20th, 2025
Mass. DPH Says Drink-Spiking Test Kits Fall Short as Prevention MethodJanuary 13th, 2025
CBD Linked to ‘Lower Overall Anxiety’ in Breast Cancer PatientsDecember 20th, 2024

Grant Support

Harmonized Healing: Personalized Music Interventions to Address Chronic Pain in People Living with HIVBRIGHAM AND WOMEN'S HOSPITAL2025–2028
The ANTIDOTE Institute- Advancing New Toxicology Investigators in Drug abuse and Original Translational research EffortsUNIV OF MASSACHUSETTS MED SCH WORCESTER2023–2028
Smart Steps: A context-aware adherence intervention to improve PrEP adherence among men who have sex with men (MSM) with substance use disorderBRIGHAM AND WOMEN'S HOSPITAL2022–2026
Ketamine for the treatment for opioid use disorder and suicidal ideation in the emergency departmentBRIGHAM AND WOMEN'S HOSPITAL2023–2025
Ketamine for the treatment for alcohol use disorder in the emergency department: A pilot double-blind, placebo-controlled randomized clinical trialBRIGHAM AND WOMEN'S HOSPITAL2022–2025

Viewing the full profile is available to verified healthcare professionals only.

Find your profile and take control of your online presence:

Similar Physicians & HCPs

Eric Dickson, MD
EMWorcester, MA
Marc Restuccia, MD
EMWorcester, MA
Ira Nemeth, MD
EMWorcester, MA
Fahad Ali, MD
EMWorcester, MA
Michael Hochberg, MD
EMWorcester, MA
Kimberly Morrissette, DO
EMWorcester, MA
Kathryn Weibrecht, MD
EMWorcester, MA
Matthew Dayno, MD
EMWorcester, MA
Susan Ly, MD
EMWorcester, MA
Katherine Boyle, MD
EMWorcester, MA

Doximity / States / Massachusetts / Worcester / Peter Chai, MD

Dr. Peter Chai, Dr. Peter Chai, MD, Dr. P Chai, Dr. Peter R. Chai