Our Staff

Welcome to the Duffy’s Family!

Everyone is excited to help you on your road to recovery. Take a few minutes to meet some of your newest family members.

Administrative Team

John Keyes, MBA
Chief Executive Officer
Hide Miyamoto
Chief Financial Officer
Tiffany Parker
Director of Human Resources
Lauren Caldwell
Director of Quality & Performance Improvement
Tyler Hart
Director of Operations
Hal Bahr
Treatment Support Manager
Yasmin Bojorquez
UM Manager
Rebecca Vaisau, CACD-CS
Intake/Case Management Manager

Medical Team

John Christian O’Neil, MD
Medical Director
Morganne Cruz Pessereau
Physician Assistant
Siavash (Sia) Rostami Jafarabad, DNP, PMHNP-BC, MSN, CNL, RN, PHN
Psychiatric Nurse Practitioner
Brittany Marte
Physician Assistant
Jill Ringer
Physician Assistant
Ann Mendenhall
Physician Assistant
Kara Levinson, RN, BSN, MBA/HCM
Nursing Director
Matthew Berry, LPT
Nursing Supervisor
Juan Martinez-Ponce, LPN
Nurse

Clinical Team

Jillian Barna-Stephenson
Director of Clinical & Outpatient Services
Jeremy Sheldon, LPC
Assistant Director of Clinical Services
Martin Lajoie, Psy.D.
Clinical Supervisor
Katrina (Treen) Hickey
Clinical Lead
Alysha Daley
Counselor
Tess Wilkinson
Counselor
Brianna Willits
Counselor
Jared De Flores
Counselor
Kelli Hare
Counselor
Mei-Wai Ng
Therapist
Stephanie Carillo
Therapist
Rachel Smith
Therapist
Del Phoenix-Wilcox
Therapist
Liliah Ornelas, CHSE, RADT
Certified Holistic Sexuality Educator, Outpatient Supervisor