Operating Hours:

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

Dosing Hours:

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

Treatment saved my life.

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 resulting 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