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
About Endeavor Health
Outpatient rehabilitation center for adolescents and adults that provides full-spectrum care for substance dependence, mental health conditions, and trauma-related problems.
Services reported to SAMHSA
- Levels of care
- Outpatient day treatment or partial hospitalization · Intensive outpatient treatment · Outpatient methadone/buprenorphine or naltrexone treatment · Regular outpatient treatment
- Treatment focus
- Substance use treatment · Treatment for co-occurring disorders plus serious mental illness (SMI) in adults · Treatment for co-occurring disorders plus serious emotional disturbance (SED) in children
- Opioid treatment
- Buprenorphine maintenance · Prescribes buprenorphine · Prescribes naltrexone · Relapse prevention with naltrexone · Accepts clients using MAT but prescribed elsewhere · Lofexidine or Clonidine detoxification · Maintenance service with medically supervised withdrawal after stabilization
- Medications used
- Acamprosate (Campral®) · Disulfiram · Buprenorphine with naloxone · Buprenorphine without naloxone · Buprenorphine (extended-release, injectable) · Naltrexone (oral) · Naltrexone (extended-release, injectable) · Lofexidine · Clonidine · Medication for mental disorders · Nicotine replacement · Non-nicotine smoking/tobacco cessation
- Treatment approaches
- Anger management · Brief intervention · Cognitive behavioral therapy · Motivational interviewing · Relapse prevention · Substance use disorder counseling · Telemedicine/telehealth therapy · Trauma-related counseling · 12-step facilitation
- Education and counseling
- HIV or AIDS education, counseling, or support · Hepatitis education, counseling, or support · Substance use disorder education · Smoking/vaping/tobacco cessation counseling · Individual counseling · Group counseling · Family counseling · Marital/couples counseling
- Special programs
- Adolescents · Adult women · Adult men · Clients with co-occurring mental and substance use disorders · Clients who have experienced trauma
- Ages accepted
- Children/Adolescents · Young Adults · Adults · Seniors
- Genders accepted
- Female · Male
- Payment accepted
- Private health insurance · Cash or self-payment
- Licensing and accreditation
- State substance use treatment agency · State mental health department · State department of health · Hospital licensing authority · The Joint Commission
- Ownership
- Private non-profit organization
- Recovery support
- Self-help groups
- Transitional services
- Aftercare/continuing care · Discharge Planning · Naloxone and overdose education
- Other services
- Case management service · Mental health services · Social skills development · Suicide prevention services
- Language services
- Sign language services for the deaf and hard of hearing
Facility-provided information
- Accreditation
- Joint Commission
- Care offered
- Outpatient · Co-Occurring Mental Health
- Substances treated
- Chronic Relapse · Co-Occurring Disorders · Drug Addiction
- Conditions treated
- Anger · Gambling · Trauma
- Therapies
- 1-on-1 Counseling · Cognitive Behavioral Therapy · Dialectical Behavior Therapy · Family Therapy · Group Therapy · Life Skills · Transcranial Magnetic Stimulation · Trauma-Specific Therapy · Twelve Step Facilitation
- Approaches
- Twelve Step
- Who it serves
- Adolescents · Children · Men · Older Adults · Women · Young Adults
- Aftercare
- Continuing Care · Intensive Outpatient Program · Outpatient Treatment
- Languages
- English
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?
- Which medications do you prescribe (buprenorphine, methadone, naltrexone), and can I continue a medication I already take?
- 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 (this facility reports accreditation). 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 Private insurance, Self-pay. If you have Medicaid, ask whether the facility accepts your Illinois Medicaid plan or can refer you to one that does. 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, Intensive outpatient, Partial hospitalization, MAT, Dual diagnosis. Call to confirm current services and openings.
Does Endeavor Health accept insurance?
It reports accepting 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
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
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.