4 Addiction Treatment Centers in Riverhead, NY

Browse verified addiction treatment centers in Riverhead, New York. Compare providers and find contact information.

Seafield Riverhead

240 W Main St, Riverhead, NY 11901
(631) 369-7800
Website: www.seafieldcenter.com/riverhead
Hours: Mon: 8 AM–9 PM | Tue: 8 AM–9 PM | Wed: 8 AM–9 PM | Thu: 8 AM–9 PM | Fri: 8 AM–9 PM | Sat: Closed | Sun: Closed

Stony Brook Medicine Quannacut Outpatient Services

905 E Main St, Riverhead, NY 11901
(631) 369-8966
Website: elih.stonybrookmedicine.edu/programs_services/behavioral_health/QuannacutOutpatient
Hours: Mon: 9 AM–9 PM | Tue: 9 AM–5 PM | Wed: 9 AM–9 PM | Thu: 9 AM–9 PM | Fri: 9 AM–2 PM | Sat: 8:30 AM–12:30 PM | Sun: Closed

Alternatives Counseling Center

540 E Main St, Riverhead, NY 11901
(631) 203-0344

East End Methadone Maintenance Program

300 Tanger Mall Dr, Riverhead, NY 11901
(631) 852-2680
Hours: Mon-Sun: Open 24 hours

About Addiction Treatment Centers in Riverhead, NY

Finding the right support begins with understanding your options. In Riverhead, the challenges of addiction are felt across the community, from the pressures of the local hospitality and service industries to the isolation that can accompany life in a more rural setting. Whether you are a year-round resident or visiting the East End, the need for compassionate, effective care is universal. Addiction does not discriminate, and neither should your path to recovery.

Riverhead’s unique position as a commercial hub for the North Fork means many people face the stress of seasonal work and long commutes. These pressures can contribute to substance use, but they also mean local treatment centers are familiar with these specific community rhythms. You deserve a program that understands your life, not just your diagnosis. The directory on BeforeRehab.com is designed to help you find that understanding, connecting you with facilities that respect your journey and offer a real path forward.

Frequently Asked Questions

How many addiction treatment centers are in Riverhead?

Our directory lists 4 addiction treatment facilities in Riverhead, NY.

What types of addiction do treatment centers handle?

Most addiction treatment centers treat a range of substance use disorders including alcohol, opioids, stimulants, benzodiazepines, and other drugs. Some also treat behavioral addictions. Contact facilities directly to confirm they treat your specific concern.

How long does addiction treatment take?

Treatment length varies by individual need. Programs range from 30 days to 90 days or longer for residential treatment. Outpatient programs may continue for several months. Research suggests longer treatment durations are associated with better outcomes.

BeforeRehab.com is an informational directory only. We are not a treatment provider, referral service, or crisis hotline. The information provided does not constitute medical advice. Always verify a facility's credentials, licensing, and insurance acceptance directly. If you or someone you know is in crisis, please call 988 (Suicide & Crisis Lifeline) or SAMHSA's National Helpline at 1-800-662-4357.

Listings are displayed in no particular order. No facility has paid for placement in this directory.

This is not a referral service. We do not endorse or recommend any facility listed.

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Important: This website does not provide referrals to any treatment facility. BeforeRehab.com does not receive compensation, kickbacks, or fees of any kind from any treatment center, sober living home, or recovery service listed on this site. No facility has paid for placement, priority positioning, or endorsement. All listings are derived from publicly available data and appear in no particular order. If you need immediate help, call the SAMHSA National Helpline at 1-800-662-4357 (free, confidential, 24/7).