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Meet Our Team

The leadership team at Long Island Treatment Center consists of a wide range of leading addiction treatment professionals that come from many walks of life. Several of us are in recovery ourselves, and are now giving back by helping others struggling with addiction.

Reviewed for Medical & Clinical Accuracy by Long Island Treatment Center

Amanda Timonere

LMHC, NCC, CCMHC, MCAP

Chief Clinical Officer

Amanda Timonere has served in the Mental Health Field since 2010 and holds a Dual Master’s Degree in Mental Health Counseling and Marriage and Family Therapy from Barry University.

Joel Wishnia

Chief Operating Officer

Joel Wishnia has worked in the treatment field since 2016. Joel grew up in South Florida and returned in 2016, after his own personal struggles with alcoholism and addiction. He is dedicated to helping others find a new way of life.

Dr. Tildabeth Doscher

MD, MPH

Medical Director

Dr. Doscher is double-boarded in Preventive Medicine and Addiction Medicine. She completed both her Medical Doctorate and her Masters in Public Health at UCLA.

Sarah Stanton

LCSW

Director of Substance Use Counseling

Sarah Stanton is the Director of Substance Use Counseling at Long Island Treatment Center. Sarah has a BA from Vanderbilt University and an MSW from New York University and specializes in the treatment of co-occurring disorders.

Lorena Donayre

CASAC-T

Director of Operations

Lorena earned her Master's in Substance Abuse Counseling from Grand Canyon University. With a hands-on approach, she warmly welcomes every client - offering a safe space for them to embark on their new life journey.

Alex Costa

Chief Marketing Officer

Alex Costa, a Massachusetts native, is a person in long-term recovery from Addiction and Alcoholism. His passion and purpose for helping others always remain at the forefront as our Chief Marketing Officer.

Jamie Lastihenos

MS, LCAT

Primary Therapist

Jamie received her Bachelors of Science in Psychology from SUNY Oneonta, and later obtained her Masters of Science in Creative Arts and Expressive Therapies from Sarah Lawrence College.

Samuel Lee

LMHC

Primary Therapist

Sam received his Master's Degree in Mental Health Counseling from Hunter College. He has been working as a substance abuse therapist for 5 years and is passionate about seeing people reshape their lives for greater purposes.

Yvens Riche

MHC-LP

Primary Therapist

Yvens, who holds a Bachelor of Science in Psychology from SUNY New Paltz and a Master of Science in Mental Health Counseling (LMHC) from CW Post, has spent a significant part of his career assisting individuals with substance use and mental health issues.

Morgan Essig

CASAC-T

Case Manager

Morgan has worked in the field of substance abuse treatment since 2017 with the goal of providing a safe place for others to heal. Her goal is to assist those entering treatment in making a strong healthy foundation for their continued recovery.

Leanna Kurnel

Alumni Coordinator

Leanna's bio is coming soon!

Annette Morreale

Business Development

Annette has over 20 years of experience in networking and collaborating with local providers, all underpinned by a steadfast commitment to a patient-first approach. She is currently pursuing her CASAC, a step that underscores her dedication to professional growth.