Clementine Naperville
27W121 80th St, Naperville, IL 60565
Endeavor Health
Also known as Mill Street
Address: 1335 North Mill Street, Suite 260, Naperville, IL 60563 · Map
Phone: (630) 646-8069
Intake: (630) 305-5027
Website: endeavorhealth.org
Services reported to SAMHSA
- Levels of care
- Partial hospitalization/day treatment
- Treatment focus
- Substance use treatment · Mental health treatment · Treatment for co-occurring disorders plus serious mental illness (SMI) in adults
- Facility type
- Partial hospitalization/day treatment
- Medications used
- Haloperidol · Aripiprazole · Clozapine · Olanzapine · Risperidone · Nicotine replacement · Non-nicotine smoking/tobacco cessation · Antipsychotics used in treatment of SMI
- Treatment approaches
- Activity therapy · Cognitive behavioral therapy · Couples/family therapy · Dialectical behavior therapy · Group therapy · Integrated Mental and Substance Use Disorder treatment · Individual psychotherapy · Transcranial Magnetic Stimulation · Telemedicine/telehealth therapy · Abnormal involuntary movement scale
- Special programs
- Clients with co-occurring mental and substance use disorders · Persons experiencing first-episode psychosis · Persons with post-traumatic stress disorder (PTSD) · Persons 18 and older with serious mental illness (SMI)
- Ages accepted
- Children/Adolescents · Young Adults · Adults · Seniors
- Payment accepted
- Medicare · Medicaid · Private health insurance · Cash or self-payment
- Ownership
- Private non-profit organization
- Recovery support
- Mentoring/peer support
- Other services
- Court-ordered outpatient treatment · Family psychoeducation · Case management service · Suicide prevention services · Education services
Questions to ask Endeavor Health
- Is my specific plan in network, and do you need prior authorization before admission?
- How many hours a week is the outpatient or IOP schedule, and are evening groups available?
- If I need medication for opioid or alcohol use disorder, do you prescribe it or refer out?
- Do you treat mental health conditions such as depression or anxiety at the same time?
- Is there a waitlist, and how soon can you do an assessment?
- What happens after the program ends: aftercare, alumni groups or step-down care?
Also confirm the facility is licensed by Illinois. If you are withdrawing from alcohol or benzodiazepines, ask about medical detox; do not stop suddenly on your own.
Paying for treatment at Endeavor Health
Endeavor Health reports accepting Medicaid, Medicare, Private insurance, Self-pay. With Illinois Medicaid, treatment is usually covered at little or no cost, though some levels of care need prior authorization. Most private plans must cover substance use treatment on terms comparable to other medical care under federal parity law.
Distance to specialized care from Naperville
Measured from the population center of DuPage County, using SAMHSA locator data mapped by FindRehabMap:
- Nearest medical detox: Lisle, about 3.0 miles
- Nearest methadone clinic (OTP): Wheaton, about 1.0 miles (75 within 25 miles)
- Nearest buprenorphine (Suboxone) provider: Wheaton, about 1.0 miles (144 within 25 miles)
See the DuPage County treatment map, methadone clinics near DuPage County and Suboxone doctors near DuPage County.
Frequently asked questions
What services does Endeavor Health offer?
Endeavor Health reports these levels of care to SAMHSA: Outpatient, Partial hospitalization, Dual diagnosis. Call to confirm current services and openings.
Does Endeavor Health accept insurance?
It reports accepting Medicaid, Medicare, Private insurance, Self-pay. Ask whether your specific plan is in network before admission.
Where is Endeavor Health located?
1335 North Mill Street, Naperville, IL 60563.
How far is the nearest medical detox from Naperville?
From the center of DuPage County, the closest program offering medical detox is in Lisle, about 3.0 miles away (straight-line), based on SAMHSA locator data mapped by FindRehabMap.
Other treatment facilities in Naperville
Endeavor Health
852 South West Street, Naperville, IL 60540
Endeavor Health
1335 North Mill Street, Naperville, IL 60563
Endeavor Health
852 South West Street, Naperville, IL 60540
LifeStance Health Naperville
55 S Main St, Suite 252, Naperville, IL 60540
SamaraCare Counseling
1819 Bay Scott Circle, Naperville, IL 60540
See all 13 facilities in Naperville · Detox · Outpatient · MAT · Accepts Medicaid · Accepts Medicare · Private insurance
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.