1335 North Mill Street Suite 260, Naperville, IL 60563
Endeavor Health – Mill Street provides drug and alcohol treatment from its location at 1335 North Mill Street Suite 260 in Naperville, Illinois. It is a nonprofit provider. The Mill Street program is operated by Endeavor Health.
Levels of care offered here include partial hospitalization (PHP), intensive outpatient (IOP), standard outpatient counseling, medication-assisted treatment (MAT), co-occurring (dual diagnosis) mental health treatment, and telehealth therapy. Clinicians use approaches such as anger management, brief intervention, cognitive behavioral therapy, motivational interviewing, and relapse prevention. For opioid use disorder, the program uses buprenorphine and naltrexone. It also prescribes medication for alcohol use disorder.
Payment options include private health insurance and cash or self-payment. Coverage depends on your specific plan, so verify benefits before admission.
The program accepts children/adolescents, young adults, adults, and seniors. It offers specialized groups for adolescents, clients with co-occurring mental and substance use disorders, and clients who have experienced trauma. Sign language services are available for deaf and hard-of-hearing clients.
Endeavor Health – Mill Street is accredited by The Joint Commission and licensed or certified by the state substance use treatment agency, state mental health department, and state department of health.
Support services include aftercare/continuing care, discharge planning, naloxone and overdose education, and self-help groups.
| Licensing & accreditation | State substance use treatment agency, State mental health department, State department of health, Hospital licensing authority, The Joint Commission |
|---|---|
| Ages accepted | Children/Adolescents, Young Adults, Adults, Seniors |
| Language services | Sign language services for the deaf and hard of hearing |
| Operated by | Private non-profit organization |
1335 North Mill Street Suite 260
Naperville, IL 60563
Facility's own contact630-646-8069 · endeavorhealth.org/services/behavioral-health
Endeavor Health – Mill Street lists the following levels of care: partial hospitalization (PHP), intensive outpatient (IOP), outpatient, medication-assisted treatment (MAT), dual diagnosis, and telehealth. Services can change, so confirm current programs before admission.
According to SAMHSA data, Endeavor Health – Mill Street accepts private health insurance and cash or self-payment. Your exact coverage depends on your plan and network status. You can check your benefits with your insurer, or call (877) 847-2855 for a free benefits check.
Endeavor Health – Mill Street does not list detox services. If you need medically supervised withdrawal first, see detox programs or call (877) 847-2855 for help finding one.
Yes. Endeavor Health – Mill Street reports accreditation from The Joint Commission. Accreditation means the facility meets independent quality and safety standards.
Endeavor Health – Mill Street accepts children/adolescents, young adults, adults, and seniors. Specialized groups include adolescents, adult women, adult men, clients with co-occurring mental and substance use disorders, and clients who have experienced trauma.
Admission usually starts with a phone screening and insurance check, followed by an assessment. You can contact Endeavor Health – Mill Street directly at 630-646-8069. To compare Endeavor Health – Mill Street with other options and verify your insurance, call our admissions helpline at (877) 847-2855. Our helpline is not affiliated with Endeavor Health – Mill Street.
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Source: SAMHSA FindTreatment.gov, data updated October 2026. Facilities report this information to SAMHSA, and it can change, so confirm details before admission. A listing is not an endorsement. StartDrugRehab is not affiliated with Endeavor Health – Mill Street.
