Operating Hours:

Mon - Fri: 5:00am - 4:00pm
closed holidays

Dosing Hours:

Mon - Fri: 5:30am-10-am | Sat: 6:30am-10-am
please check voice message/social media during inclement weather

Ready for Help?

Located in Wyandotte, Oklahoma (just outside of Seneca, Missouri on State Line Road), Lost River Treatment Center is an outpatient rural-based organization operated by the Modoc Nation to address the opioid epidemic and substance abuse present in Oklahoma, Missouri, Arkansas, and Kansas.

Your journey to a better life starts here.

Let us help your loved ones find treatment.

Your journey to a better life starts here.

Let us help your loved ones find treatment.

We can work together to help your clients.

We serve individuals, families, and couples experiencing substance abuse and/or mental health disorders. We serve tribal and non-tribal consumers.

Types of Care

Operating Hours:

Mon - Fri: 5:00am - 2pm

Dispensing Hours:

Mon - Fri: 5:00am-10am | Sat: 6:30am-10am