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Calls to the website’s main helpline are answered by Wert Inc., a call center that specializes in helping individuals and families across the United States find resources for substance use disorder.

Addicted.org and Wert Inc. do not own any rehab or addiction services. This means our helpline can provide completely independent and unbiased advice to help you find the rehab service most suitable for you or your loved one.

Please note that if you are calling from California, your call will be answered by Alli Intervention, an intervention service based in California. However, when calling the helpline, you are under no obligation to use any of their services.

Our helpline comes at no cost to the caller and offers complete confidentiality.

You can also browse our comprehensive list of addiction treatments by state by visiting our homepage. Don’t hesitate to reach out by calling our helpline or filling out our contact form if you need help finding the right rehab center or detox program. However, if you believe you have a medical emergency, you should immediately call 911.

For more information, visit our What Happens When You Call Our Helpline page.

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Drug & Alcohol Assessment Services in Oregon

Last Updated: Thursday, 20 August 2026

At DRS, we are committed to helping you find the best drug or alcohol assessment for your needs. Our research and quality team has reviewed numerous assessment service providers in Oregon and dedicated countless hours to curating this list through research and our thorough vetting process. The result is our selection of the 20 best drug assessment providers in the state, continuously updated to ensure accurate, high-quality information.

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List of Drug Assessments & Evaluations in Oregon

Northwest Treatment – Portland

Northwest Treatment in Portland provides substance use treatment and addiction assessment services. The program includes individual and couples therapy, DUI and court-mandated treatment, clinical supervision, and affordable fees, accepting various insurance providers.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Outpatient

Services Offered

- Aftercare
- Assessment
- Drug Prevention and Education
- Drug Test
- Relapse Prevention
- Substance Abuse Counseling

Payment Options

- Self Payment

Clientele Served

- Services for Criminal Justice Clients
- Services for DUI/DWI Offenders

948 NE 102nd Ave., #101, Portland, OR

Key details about Northwest Treatment – Portland

What are their business hours?

Monday to Friday - 8:30am to 5pm (closed for lunch from 11:45am to 1pm)
Saturday - 1pm to 5pm

What professional/medical staff work at Northwest Treatment – Portland?

Léa, MSW | Owner & Clinical Director
Jessica, MACMHC, MEd

Read the Google Reviews for this facility

Eastern Oregon Detoxification Center

Eastern Oregon Detoxification Center provides medically managed detox services for up to ten clients. Drug assessments and evaluations for withdrawal symptoms are conducted by registered nurses and detox technicians.

Rehab Settings

- Detox
- Home Detox
- Medical Detox
- Short-Term Inpatient

Services Offered

- Assessment
- Medical Staff On-Site

Payment Options

- Low-Cost Options
- Self Payment
- Sliding Fee Scale

Trust Factors

- Licensed by the State of Oregon
- Licensed Staff

4708 NW Pioneer Place, Pendleton, OR

Read the Google Reviews for this facility

Acadia NW – Portland

Acadia NW, Portland, provides a comprehensive continuum of care with outpatient treatment, drug assessments, and specialized services for heroin and opiate addiction.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Interventionist
- Outpatient

Services Offered

- Assessment
- Drug Prevention and Education
- Drug Test
- Medical Staff On-Site
- Substance Abuse Counseling

Payment Options

- Self Payment
- UnitedHealthcare

Clientele Served

- Services for DUI/DWI Offenders

9570 SW Barbur Blvd, Suite 100, Portland, OR

Key details about Acadia NW – Portland

What are their business hours?

Monday to Friday - 9am to 5pm
Evening & weekend classes available

Another Chance – NE 18th Ave

Another Chance Drug & Alcohol Rehab Center of Portland provides a structured High-Intensity Outpatient Program (HIOP) as a comprehensive outpatient treatment option. The program includes individualized addiction assessments to guide participation in 4–6 hour sessions held five days a week, with treatment length varying by client.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Outpatient
- Partial Hospitalization (PHP)

Services Offered

- Aftercare
- Assessment
- Drug Prevention and Education
- Drug Test
- Experiential Therapy
- Holistic
- Substance Abuse Counseling

Clientele Served

- Family Programs
- Services for DUI/DWI Offenders

Trust Factors

- Certified by the State of Oregon
- Client Testimonials
- Evidence-Based Approach
- Joint Commission Accredited
- Licensed Staff

211 NE 18th Ave, Portland, OR

Key details about Another Chance – NE 18th Ave

What are their business hours?

Monday to Friday - 9am to 4pm

What professional/medical staff work at Another Chance – NE 18th Ave?

John Morgan, CADC-II, QMHA | Founder and Chief Executive Officer
Sounak Nick Misra, MD | Medical Director

Read the Google Reviews for this facility

Adult & Teen Challenge PacWest – Central Oregon Men’s Campus

Adult and Teen Challenge Pacific Northwest Central Oregon Men's Campus offers a residential recovery and discipleship program for men, with space for 20 students. As part of the program, participants undergo addiction assessments to inform their progress in vocational training and Life Renewal outpatient treatment.

Rehab Settings

- Long-Term Inpatient

Services Offered

- Assessment
- Faith-Based
- Substance Abuse Counseling
- Vocational Rehabilitation

Payment Options

- Free or Low-Budget
- Low-Cost Options

Clientele Served

- Christian
- Men
- Services for Criminal Justice Clients
- Services for DUI/DWI Offenders

435 NE Burnside Ave, Bend, OR

Key details about Adult & Teen Challenge PacWest – Central Oregon Men’s Campus

How much does Adult & Teen Challenge PacWest – Central Oregon Men’s Campus cost?

$500

How long is treatment?

12 to 15 months

Does Adult & Teen Challenge PacWest – Central Oregon Men’s Campus have a detox on-site?

No

Is it co-ed?

No, men only

What professional/medical staff work at Adult & Teen Challenge PacWest – Central Oregon Men’s Campus?

Larissa King, Bachelor's Degree in Ministry Leadership & Christian Counseling | Regional Intake Coordinator

What is their capacity?

20 men

Read the Google Reviews for this facility

Northwest Treatment – Milwaukie

Northwest Treatment in Milwaukie provides therapeutic counseling services, including addiction assessment. The program offers individual and couples therapy, state-approved DUII and court-mandated treatment, and licensed clinical supervision, operating Monday through Friday.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Outpatient

Services Offered

- Aftercare
- Assessment
- Drug Prevention and Education
- Drug Test
- Relapse Prevention
- Substance Abuse Counseling

Payment Options

- Self Payment

Clientele Served

- Adults
- LGBTQ+ Community
- Services for DUI/DWI Offenders

6523 SE King Road, Milwaukie, OR

Key details about Northwest Treatment – Milwaukie

What professional/medical staff work at Northwest Treatment – Milwaukie?

Léa, MSW | Owner & Clinical Director
Jessica, MACMHC, MEd

Canopy

Canopy provides individual counseling sessions through the Employee Assistance Program, a free and confidential benefit for employees. The program includes problem identification, drug assessments, and goal-setting services available face-to-face or over the phone.

Rehab Settings

- Outpatient

Services Offered

- Assessment
- Co-Occurring Disorders
- Substance Abuse Counseling

Payment Options

- Employee Assistance Programs (EAP)
- Low-Cost Options

Trust Factors

- Licensed Staff

7180 S.W. Fir Loop, Suite 1A, Portland, OR

Key details about Canopy

What are their business hours?

Monday to Thursday - 8am to 5pm
Friday - 8am to 4pm

What professional/medical staff work at Canopy?

Dave Christy, LMFT | Vice President, Clinical Operations
Caitlin Plato, MA, CADC I | Senior Training & Organizational Specialist

Northwest Treatment – Canby

Northwest Treatment in Canby offers comprehensive counseling services with addiction assessment. Clients can access individual and couples therapy, DUII and court-mandated treatment, and clinical supervision during the workweek.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Outpatient

Services Offered

- Aftercare
- Assessment
- Drug Prevention and Education
- Drug Test
- Relapse Prevention

Payment Options

- Self Payment

Clientele Served

- Services for DUI/DWI Offenders

181 N Grant Street, #206B, Canby, OR

Key details about Northwest Treatment – Canby

What professional/medical staff work at Northwest Treatment – Canby?

Léa, MSW | Owner & Clinical Director
Jessica, MACMHC, MEd

Northwest Treatment – Oregon City

Northwest Treatment in Oregon City offers substance use treatment with addiction assessment. The program provides individual and couples therapy, DUI and court-mandated treatment options, clinical supervision, and affordable fees, working with many insurance providers.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Outpatient

Services Offered

- Aftercare
- Assessment
- Drug Prevention and Education
- Drug Test
- Relapse Prevention

Payment Options

- Self Payment

Clientele Served

- Services for DUI/DWI Offenders

706 Main St., Oregon City, OR

Key details about Northwest Treatment – Oregon City

What professional/medical staff work at Northwest Treatment – Oregon City?

Léa, MSW | Owner & Clinical Director
Jessica, MACMHC, MEd

Milestones Outpatient Program

Milestone Outpatient Program offers addiction treatment services. After DRS examined the website, we found they provide addiction assessments, outpatient treatment, and transitional programs for men and women.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Outpatient

Services Offered

- Assessment
- Faith-Based
- Holistic
- Relapse Prevention
- Substance Abuse Counseling
- Twelve-Step

Payment Options

- Aetna
- Cigna
- Low-Cost Options
- Self Payment
- State Financing
- UnitedHealthcare

Clientele Served

- Family Programs
- Services for DUI/DWI Offenders

442 NW 4th Street, Corvallis, OR

Key details about Milestones Outpatient Program

What professional/medical staff work at Milestones Outpatient Program?

Mike Hanson, CADC II | Milestones Outpatient Program Director

Adult & Teen Challenge PacWest, Portland Metro Men's Campus, operates a long-term residential recovery and discipleship program for up to 40 men. Addiction assessments are included in the treatment process to help track progress and support personal transformation.

Rehab Settings

- Long-Term Inpatient
- Outpatient

Services Offered

- Assessment
- Faith-Based
- Substance Abuse Counseling
- Vocational Rehabilitation

Payment Options

- Free or Low-Budget
- Low-Cost Options

Clientele Served

- Christian
- Men

380 NW 6th Avenue, Estacada, OR

Key details about Adult & Teen Challenge PacWest – Portland Metro Men’s Campus

How much does Adult & Teen Challenge PacWest – Portland Metro Men’s Campus cost?

$500

How long is treatment?

90 to 120 days

Does Adult & Teen Challenge PacWest – Portland Metro Men’s Campus have a detox on-site?

No

Is it co-ed?

No, men only

What professional/medical staff work at Adult & Teen Challenge PacWest – Portland Metro Men’s Campus?

Larissa King, Bachelor's Degree in Ministry Leadership & Christian Counseling | Regional Intake Coordinator

What is their capacity?

40 men

Read the Google Reviews for this facility

Acadia NW – Oregon City Office

Acadia Northwest, Oregon City, offers a state-certified treatment program that includes intensive outpatient care, partial hospitalization, and life management services. Drug assessment services are part of the coordinated continuum of care.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Interventionist
- Outpatient

Services Offered

- Assessment
- Drug Prevention and Education
- Drug Test
- Medical Staff On-Site
- Substance Abuse Counseling

Payment Options

- Self Payment

Clientele Served

- Services for DUI/DWI Offenders

504 Main Street, Suite A, Oregon City, OR

Key details about Acadia NW – Oregon City Office

What are their business hours?

Monday to Friday - 9am to 5pm

Milestones Family Recovery Program Women’s Residential

Milestones Family Recovery Program Women’s Residential is an inpatient treatment provider. After DRS examined the website, we found the program includes addiction assessments and therapy in a confidential group setting.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Long-Term Inpatient
- Outpatient
- Partial Hospitalization (PHP)
- Short-Term Inpatient

Services Offered

- Assessment
- Beds for Clients' Children
- Faith-Based
- Holistic
- Relapse Prevention
- Substance Abuse Counseling
- Twelve-Step

Payment Options

- Aetna
- Cigna
- Low-Cost Options
- Medicaid
- Oregon Health Plan
- Payment Assistance
- Self Payment
- Sliding Fee Scale
- UnitedHealthcare

Clientele Served

- Family Programs
- LGBTQ+ Community
- Pregnant Women
- Seniors
- Services for Addicts with HIV/AIDS
- Services for DUI/DWI Offenders
- Women

306 SW 8th Street, Corvallis, OR

Key details about Milestones Family Recovery Program Women’s Residential

What professional/medical staff work at Milestones Family Recovery Program Women’s Residential?

Tanya Pritt, CADC II | Women’s Residential and Outpatient Program Director

Read the Google Reviews for this facility

Eastern Oregon Recovery Center

Eastern Oregon Recovery Center is a chemical dependency recovery program that ccommodates 36 men and women, providing a comprehensive and supportive environment for recovery. They will perform an addiction assessment to ensure clients know if detox is required and provide a rehab program tailored to their specific needs and goals.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Long-Term Inpatient
- Outpatient
- Sober Living

Services Offered

- Assessment
- Beds for Clients' Children
- Faith-Based
- Holistic
- Medical Staff On-Site
- Relapse Prevention
- Twelve-Step

Payment Options

- Access to Recovery Voucher
- Aetna
- Cigna
- Low-Cost Options
- Medicaid
- Oregon Health Plan
- Self Payment
- Sliding Fee Scale
- UnitedHealthcare

Languages

- ASL
- English

216 SW Hailey Avenue, Pendleton, OR

Read the Google Reviews for this facility

Another Chance – NW Barnes Rd

Another Chance Drug & Alcohol Rehab Center of Portland offers a High-Intensity Outpatient Program (HIOP) that includes both group and individual therapy sessions. The program begins with addiction assessments to tailor care, with sessions lasting 4–6 hours a day, five days a week, for one to four weeks depending on individual needs.

Rehab Settings

- Intensive Outpatient Program (IOP)
- Outpatient
- Partial Hospitalization (PHP)

Services Offered

- Aftercare
- Assessment
- Drug Prevention and Education
- Drug Test
- Experiential Therapy
- Holistic
- Substance Abuse Counseling

Clientele Served

- Family Programs
- Services for DUI/DWI Offenders

Trust Factors

- Certified by the State of Oregon
- Client Testimonials
- Evidence-Based Approach
- Joint Commission Accredited
- Licensed Staff

12670 NW Barnes Rd Ste 200, Portland, OR

Key details about Another Chance – NW Barnes Rd

What are their business hours?

Monday to Friday - 9am to 4pm

What professional/medical staff work at Another Chance – NW Barnes Rd?

John Morgan, CADC-II, QMHA | Founder and Chief Executive Officer
Sounak Nick Misra, MD | Medical Director

Read the Google Reviews for this facility

Adult & Teen Challenge PacWest – Eugene Women’s Campus

Adult & Teen Challenge PacWest, Eugene Women’s Campus, provides long-term residential treatment for women battling drug and alcohol addiction. The program includes addiction assessments to support recovery planning for up to 20 students, who also participate in outpatient services during their stay.

Rehab Settings

- Long-Term Inpatient

Services Offered

- Assessment
- Beds for Clients' Children
- Faith-Based
- Substance Abuse Counseling
- Vocational Rehabilitation

Payment Options

- Free or Low-Budget
- Low-Cost Options

Clientele Served

- Christian
- Pregnant Women
- Services for Criminal Justice Clients
- Services for DUI/DWI Offenders
- Women

85989 Bailey Hill Rd, Eugene, OR

Key details about Adult & Teen Challenge PacWest – Eugene Women’s Campus

How much does Adult & Teen Challenge PacWest – Eugene Women’s Campus cost?

$500

How long is treatment?

12 to 15 months

Does Adult & Teen Challenge PacWest – Eugene Women’s Campus have a detox on-site?

No

Is it co-ed?

No, women only

What professional/medical staff work at Adult & Teen Challenge PacWest – Eugene Women’s Campus?

Larissa King, Bachelor's Degree in Ministry Leadership & Christian Counseling | Regional Intake Coordinator

What is their capacity?

20 women

Read the Google Reviews for this facility

Life Change Centers offers a nine-month program to help men and women overcome addiction. Drug assessments are included as part of their non-medical, Christian-based counseling approach.

Rehab Settings

- Long-Term Inpatient
- Short-Term Inpatient

Services Offered

- Assessment
- Faith-Based

Clientele Served

- Christian
- Men
- Women

Trust Factors

- Client Testimonials

27500 SE Fern Dr, Boring, OR

Read the Google Reviews for this facility

SOS Interventions

SOS Interventions is a nationwide network of clinical intervention and recovery support professionals that helps individuals and the people closest to them confront patterns of problematic substance use and related behaviors. Rather than being a place people go to live away from life, this is a service people reach out to when denial, conflict, or family strain have become too heavy to carry in silence. SOS works with individuals, families, and workplaces to bring clarity and momentum to moments where change feels necessary but elusive.

Rehab Settings

- Interventionist
- Outpatient
- Sober Coach

Services Offered

- Assessment
- Co-Occurring Disorders
- Drug Prevention and Education
- Faith-Based
- Substance Abuse Counseling
- Twelve-Step

Clientele Served

- Adolescents
- Adults
- Family Programs

Trust Factors

- Evidence-Based Approach
- Licensed Staff

United States

Key details about SOS Interventions

What professional/medical staff work at SOS Interventions?

D’wayne, LADAC II, CADC II, ICADC II

Mission Teens, Inc. – Northwest MBTC

Mission Teens, Inc. is a non-denominational Christian discipleship ministry that provides support for individuals facing life-controlling problems. After DRS examined the website, we found that each center operates independently and relies on local sources of support, with no fees charged to residents for services provided. The organization encourages community engagement through partnerships and support initiatives.

Rehab Settings

- Long-Term Inpatient

Services Offered

- Assessment
- Faith-Based
- Vocational Rehabilitation

Payment Options

- Free or Low-Budget
- Low-Cost Options

Clientele Served

- Christian

35045 SW Bald Peak Rd, Hillsboro, OR

Key details about Mission Teens, Inc. – Northwest MBTC

How much does Mission Teens, Inc. – Northwest MBTC cost?

Free of charge

How long is treatment?

Four phases, each lasting 2-4 months

Does Mission Teens, Inc. – Northwest MBTC have a detox on-site?

No

Is it co-ed?

Yes

Read the Google Reviews for this facility

Adult & Teen Challenge PacWest – Willamette Valley Men’s Campus

Adult & Teen Challenge PacWest, Willamette Valley Men's Campus, offers a faith-based long-term recovery program for men, with clinical counseling and outpatient treatment included. The residential facility, which serves up to 48 men, conducts drug and alcohol assessments as part of the individualized care approach.

Rehab Settings

- Long-Term Inpatient

Services Offered

- Assessment
- Faith-Based
- Substance Abuse Counseling
- Vocational Rehabilitation

Payment Options

- Free or Low-Budget
- Low-Cost Options

Clientele Served

- Christian
- Men
- Services for Criminal Justice Clients
- Services for DUI/DWI Offenders

31700 Fayetteville Drive, Shedd, OR

Key details about Adult & Teen Challenge PacWest – Willamette Valley Men’s Campus

How much does Adult & Teen Challenge PacWest – Willamette Valley Men’s Campus cost?

$500

How long is treatment?

12 to 15 months

Does Adult & Teen Challenge PacWest – Willamette Valley Men’s Campus have a detox on-site?

No

Is it co-ed?

No, men only

What professional/medical staff work at Adult & Teen Challenge PacWest – Willamette Valley Men’s Campus?

Larissa King, Bachelor's Degree in Ministry Leadership & Christian Counseling | Regional Intake Coordinator

What is their capacity?

48 men

Read the Google Reviews for this facility

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Frequently Asked Questions

Professional Perspective: The Role of Screening and Assessment in Addiction Treatment

Before treatment can begin, clinicians need a clear picture of what they’re dealing with, how severe the substance use is, what other factors may be contributing, and what level of care is actually warranted. Screening and assessment serve that function. They are not a formality or a bureaucratic hurdle; they are the clinical foundation on which an effective treatment plan is built. Without them, there is a real risk of under-treating a serious problem or over-intervening where a lighter approach would be more appropriate.

“Screening quickly assesses the severity of substance use and identifies the appropriate level of treatment. Brief intervention focuses on increasing insight and awareness regarding substance use and motivation toward behavioral change. Referral to treatment provides those identified as needing more extensive treatment with access to specialty care.”

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Substance Abuse and Mental Health Services Administration (SAMHSA)

What this means when looking for treatment

This three-part framework, screen, intervene briefly, refer when needed, is how reputable treatment programs triage and match patients to appropriate care. For families and individuals researching options, it is a useful benchmark: a quality program should be doing some version of this process, not simply enrolling everyone into the same protocol regardless of severity. If a facility skips thorough screening and moves straight to placement, that is worth questioning. The goal of assessment is not to slow things down, it is to make sure the right kind of help is matched to the right person from the start.