--- title: "About Integrity Treatment Partners" description: "Licensed & Accredited Addiction Treatment in Nassau County. Founded in recovery, bridging clinical excellence with lived experience." canonical: "https://www.integritytreatmentpartners.com/about" type: "about" organization: "Integrity Treatment Partners" --- # About Integrity Treatment Partners **Licensed. Accredited. Lived Experience.** We bridge the gap between clinical excellence and personal recovery. Proudly serving Nassau County and the South Shore. ## Accreditation - **Joint Commission Accredited** - The only Joint Commission accredited outpatient provider on Long Island - **OASAS Certified** - Highest-level 3-year OASAS certification from New York State ## Mission Statement At Integrity Treatment Partners, we are driven by a personal and profound commitment to combat the opioid crisis and alleviate the suffering of addiction. Our founders, deeply touched by the heartbreak of addiction within their own lives and the community, stand united in the mission to offer hope and a path to recovery for those afflicted. > "Together, we strive to restore health, hope, and integrity to lives touched by addiction." ## Founded in Recovery Our leadership team didn't just learn about addiction in a classroom—we lived it. Our collective journeys began over 15 years ago when the first of us found sobriety. ### Our History - **2022:** Our first sober living home opens in Freeport - **2023:** Integrity Treatment Partners is officially founded - **2024:** Second sober home opens in Uniondale; Treatment center opens in November - **2025:** Joint Commission accreditation achieved; Third sober home opens ## Leadership Team ### Samantha Callister, LMSW, CASAC-M **Executive Director** Samantha Jean Callister is a Co-Founder and Executive Director at Integrity Treatment Partners. She is a Licensed Master Social Worker (LMSW) and Credentialed Alcoholism and Substance Abuse Counselor - Master Level (CASAC-M) with a focus on addiction treatment and behavioral health. She holds a Master of Social Work (MSW) from Fordham University and has extensive experience providing counseling and support for individuals with substance use disorders in New York. Based in Long Island, Samantha specializes in evidence-based therapies such as cognitive-behavioral therapy (CBT), dialectical behavior therapy (DBT), and trauma-informed care for co-occurring conditions like anxiety, depression, and PTSD. Her work emphasizes holistic recovery, family involvement, and relapse prevention, aligning with OASAS guidelines to deliver compassionate, client-centered care. Samantha was crucial in founding Integrity Treatment Partners alongside Michael Mechow, John Anderson, and Josh Goldfeder. [Read full bio](https://www.integritytreatmentpartners.com/staff/samantha-callister) ### Michael Mechow, CASAC **Clinical Director** Michael Mechow, affectionately known as 'Mech' or 'Mechow,' is a Co-Founder and Clinical Director at Integrity Treatment Partners. Growing up in the West End of Long Beach, New York, Michael has personally helped thousands of men and women recover from alcoholism and addiction over his 14+ year career. He started in 2011 as a CASAC Trainee at an Outpatient in Queens, then spent 9 years at Seafield Outpatient. His experience also includes working for Nassau County Family Treatment Court's new program, which he helped grow from its infancy into the program it is today. At NCFTC, he witnessed over 40 graduations, hailing a new era in family court's options for helping families dealing with addiction and law-related issues. Michael was crucial in founding Integrity Treatment Partners alongside Samantha Callister, John Anderson, and Josh Goldfeder. [Read full bio](https://www.integritytreatmentpartners.com/staff/michael-mechow) ### Annette Morreale, CASAC-T **Director of Business Development** Annette Morreale is the Director of Business Development at Integrity Treatment Partners, leading strategic initiatives to expand the organization's reach and impact in the addiction treatment community. She holds a CASAC-T (Credentialed Alcoholism and Substance Abuse Counselor - Trainee) certification, bringing both clinical knowledge and business expertise to her role. Annette works to build partnerships with healthcare providers, community organizations, and referral sources to ensure individuals and families have access to quality addiction treatment services. Her expertise in business development and relationship building helps Integrity Treatment Partners connect with those who need help most. [Read full bio](https://www.integritytreatmentpartners.com/staff/annette-morreale) --- ## Contact Information **Integrity Treatment Partners** - **Address:** 2250 Grand Ave, Baldwin, NY 11510 - **Phone:** (516) 200-1669 - **Email:** info@integritytreatmentpartners.com - **Hours:** Admissions 24 Hours / 7 Days, Clinical Mon-Fri 9am - 9pm [Get Directions](https://www.google.com/maps/dir/?api=1&destination=2250+Grand+Ave,+Baldwin,+NY+11510) --- *Integrity Treatment Partners is Joint Commission accredited and OASAS certified.*