Long Island Addiction Treatment - Nassau County
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Meet Our Team

Our team of board-certified physicians and licensed clinical professionals brings decades of combined experience in addiction medicine and behavioral health on Long Island.

Executive Team

Our leadership guiding daily operations and clinical excellence

Samantha Callister, LMSW, CASAC-M

Samantha Callister

Executive Director

LMSWCASAC-MCASAC-G
Michael Mechow, CASAC

Michael Mechow

Clinical Director

CASAC-IICASAC-G
Annette Morreale, CASAC-T

Annette Morreale

Director of Business Development

CASAC-TBusiness Development

Medical Team

Board-certified physicians and nurse practitioners

Dr. Stuart Wasser, MD

Dr. Stuart Wasser

Medical Director

MD
Lauren Marandino, PMHNP

Lauren Marandino

Psychiatric Mental Health Nurse Practitioner

PMHNP-BC

Clinical Team

Licensed therapists and counselors

Hope Mauceri, LMSW

Hope Mauceri

Therapist

LMSW
Christian DiConsiglio, LMSW

Christian DiConsiglio

Therapist

LMSWCASAC-T
Kelly Mayberry, LMHC, CASAC-II

Kelly Mayberry

Therapist

LMHCCASAC-II
Anne Waterhouse, LMHC, CASAC

Anne Waterhouse

Therapist

LMHCCASAC
Abigail Newman

Abigail Newman

Therapist

BAMHC Student
Christina Polansky

Christina Polansky

Therapist

BSMSW Student
Julia Vanasco, MHC-LP, CASAC-T

Julia Vanasco

Therapist

MHC-LPCASAC-T
AH

Angela Helms

Therapist

LCSWCASAC-IICASAC-G
Anthony DellaRocca, CASAC

Anthony DellaRocca

Counselor

CASAC
Jeanette Lewis, CASAC-T, CRPA

Jeanette Lewis

Counselor

CASAC-TCRPA
Marisa Edelson, CASAC-T, CRPA

Marisa Edelson

Counselor

CASAC-TCRPA
Jaime Lin Zissler, CASAC-II

Jaime Lin Zissler

Counselor

CASAC-II

Peer Support Team

Certified Recovery Peer Advocates (CRPAs) providing peer support

Brian Fayda, CRPA

Brian Fayda

Peer Advocate

CRPACASAC Student
Cory Polansky, CRPA

Cory Polansky

Peer Advocate

CRPA
Randy Ebisch, CRPA

Randy Ebisch

Peer Advocate

CRPA

Administrative Team

Supporting our patients and clinical team

Antonina Oliver

Antonina Oliver

Office Manager

Office Manager
Katelynn Passarella, BS

Katelynn Passarella

Office Manager, Therapist

BSMSW Student
Anthony Ferrari

Anthony Ferrari

Office Assistant

Office Assistant

Our Founders

The visionaries who built Integrity Treatment Partners

Josh Goldfeder

Josh Goldfeder

Co-Founder & Owner

Owner
John Anderson

John Anderson

Co-Founder & Owner

Owner
Daniel Pflaumer

Daniel Pflaumer

Co-Founder & Owner

Owner