Aegis Treatment Centers LLC
11041 East Valley Boulevard, El Monte, CA 91731

4 facilities in El Monte, CA list mat services, about 44% of the 9 treatment providers in the city.
Medication-assisted treatment pairs counseling with FDA-approved medication: buprenorphine (Suboxone and similar), naltrexone (Vivitrol) or methadone for opioid use disorder, and naltrexone or acamprosate for alcohol use disorder. MAT lowers the risk of overdose death.
11041 East Valley Boulevard, El Monte, CA 91731
3426 Cogswell Road, El Monte, CA 91732
3430 Cogswell Road, El Monte, CA 91732
11041 East Valley Blvd., El Monte, CA 91731
We list 4 facilities in El Monte, CA reporting mat services. Call ahead to confirm availability and wait times.
Check state licensing and accreditation (Joint Commission or CARF), confirm payment and wait times by phone, and ask what happens after the program ends.
Last reviewed 2026-10-06. Facility details come from SAMHSA's FindTreatment.gov locator and facility-provided information. Confirm services, availability and payment directly with the facility.