Kathryn Basques, MSW, MSN, PMHNP-BC is a psychiatric nurse practitioner specializing in
Addiction Medicine and Consult-Liaison Psychiatry. Kathryn works at CODAC Behavioral Healthcare
as the Lead Psychiatry APRN.

Brian Beaudry, MSW, LICSW, LCDP is a substance use social worker within the Inpatient Addiction
Medicine Consultation Service at Rhode Island Hospital. 
Judith M. Berger, LICSW is the Military Sexual Trauma (MST) Treatment Coordinator and a clinician
in Trauma Recovery Services at the Providence VA Medical Center. She is a Clinical Assistant
Professor in the Department of Psychiatry and Human Behavior at Brown University. She specializes
in working with Complex Post Traumatic Stress Disorder.

Seth A. Clark, MD, MPH is the Program Director of the David C. Lewis, MD, Fellowship in Addiction
Medicine. He is an internist and is the attending physician of the Inpatient Addiction Medicine
Consultation Service at Rhode Island Hospital and an outpatient physician at the Lifespan Recovery
Center and Rhode Island’s Adult Correctional Institution. He is board certified in internal medicine and
addiction medicine. He completed the David C. Lewis, MD, Fellowship in Addiction Medicine in 2019.

Catherine DeGood, DO is board certified in addiction and family medicine.  She sees patients at
Butler Behavioral Health and is the Chief Medical Director of CODAC Behavioral Health.  

Zobeida Diaz, MD is board certified in psychiatry. She is interim Division Director and attending
psychiatrist within the Center for Women’s Behavioral Health at Women and Infants Hospital.

Cecilia Fix, MD is board certified in internal medicine and addiction medicine. She is Director of the
Division of Addiction Medicine at Rhode Island Hospital/Lifespan and works on the Addiction Medicine
consult service. She completed the David C. Lewis, MD fellowship in Addiction Medicine in 2021

Cherilyn Freitas, NP is a certified family nurse practitioner with Brown University Health Psychiatry
and Behavioral Health and Health.

Laura Levine, MD, FASAM is the Associate Program Director of the David C. Lewis, MD, Fellowship
in Addiction Medicine. Her primary specialty is psychiatry, with board certification in addiction
medicine. She is an outpatient physician at the Lifespan Recovery Center.

Mary Jane Pizza, MSW, LICSW, LCDP, LCDCS is the Program Manager and Clinical Supervisor of
the Rhode Island Hospital Inpatient Addiction Medicine Consultation Service.

Susan Ramsey, PhD is a clinical psychologist. She serves as Director of Research for the Division of
General Internal Medicine and Director of Research for the Addiction Medicine Fellowship. Her
research focuses primarily on the development and testing of behavioral interventions to address
substance use, HIV medication adherence, and HIV prevention.

M. Catherine Trimbur, MD, MPH is an internist and palliative care physician and is board certified in
internal medicine, hospice and palliative care, and addiction medicine. She is an attending physician
with Brown University Health Center for Primary Care and is the medical director of the Transitions
Clinic at the Center for Primary Care.

Caroline Wunsch, MD is an internist and is an attending physician of the Inpatient Addiction
Medicine Consultation Service at Rhode Island and The Miriam Hospitals. She is board certified in
internal medicine and addiction medicine. She completed the David C. Lewis MD Fellowship in
Addiction Medicine in 2023.

Cara Zimmerman, MD is an internist and is a primary care provider at Thundermist Health Center,
Woonsocket, RI, as well as an outpatient addiction medicine consultant for Thundermist providers.
She practices gender affirming care and street medicine. She is board certified in internal medicine.
She completed the David C. Lewis MD Fellowship in Addiction Medicine in 2022 and currently serves
as the coordinator of community engagement for the fellowship.