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Dual diagnosis treatment at Quest Wellness Center is integrated outpatient care for co-occurring mental health and substance use disorders, delivered through partial hospitalization, intensive outpatient, and outpatient programs. One coordinated team treats both conditions together, combining therapy, medication management by a psychiatrist, and relapse prevention. Care is available in person or online. We work with most PPO plans.
Dual diagnosis means a person has both a mental health condition and a substance use disorder at the same time, which is why it is also called co-occurring disorders. It is common: roughly half of people with a serious mental illness also experience a substance use disorder at some point, and the two conditions interact rather than sitting side by side. A dual diagnosis can pair almost any mental health condition, such as depression, anxiety, PTSD, bipolar disorder, or ADHD, with the use of alcohol, stimulants, opioids, or other substances. What defines it is not just the presence of both, but the way they feed each other, which is exactly why treating only one usually fails. Dual diagnosis is a recognized, treatable pattern, and the right approach is to treat both conditions as parts of one picture.
Mental health conditions and substance use drive each other in a cycle, which is the core reason dual diagnosis is hard to break without integrated treatment. Many people use alcohol or drugs to quiet symptoms of depression, anxiety, or trauma, a pattern called self-medication that brings short relief and deeper dependence over time. Substances also cause and worsen mental health symptoms directly: stimulants fuel anxiety and paranoia, alcohol deepens depression, and withdrawal from many substances mimics or intensifies psychiatric conditions. Each side lowers the odds of recovering from the other, so symptoms that look like one problem are often two. Untreated, the cycle tends to escalate, with rising substance use, worsening mood, and a higher risk of relapse, crisis, and self-harm. Breaking it means addressing both conditions at once, with a team that can tell them apart and treat them together.
Integrated treatment, where one team treats both conditions at the same time, produces better and more durable results than treating them separately, and it is the standard of care for dual diagnosis. There are three broad ways these conditions get treated, and only one works reliably. Sequential treatment addresses one condition and then the other, which usually fails because the untreated condition undermines progress on the first. Parallel treatment handles both at once but through separate, uncoordinated providers, which leaves gaps and conflicting advice. Integrated treatment unifies care under a single team that plans for both conditions together, coordinates therapy and medication, and adjusts the whole plan as the person changes. Quest is built on the integrated model: the same clinical team manages the mental health condition and the substance use disorder, so nothing falls between two systems. This is the difference that keeps recovery from unraveling when only half the problem was addressed.
Dual diagnosis takes recognizable forms, and naming the combination is part of building the right plan. Depression with alcohol use disorder is one of the most common, each deepening the other. Anxiety disorders frequently pair with stimulant use or with benzodiazepine and alcohol dependence, as people try to manage fear and then rebound. PTSD and complex trauma often co-occur with substance use, because substances temporarily mute trauma symptoms. Bipolar disorder carries a high rate of co-occurring substance use, particularly during mood episodes. ADHD raises the risk of stimulant and other substance use, sometimes tied to untreated symptoms or self-medication. Quest treats these combinations and others in one coordinated plan, because the specific pairing shapes which therapies, medications, and supports are used.
Medication is often central to dual diagnosis, because treating the mental health condition well is part of treating the addiction, and Quest’s medication management is led by a board-certified psychiatrist. When depression, anxiety, bipolar disorder, ADHD, or severe sleep problems are driving substance use, the right medication can reduce those symptoms enough that recovery becomes possible. Having a prescriber on the same team that handles the addiction is a real advantage, because medication choices account for substance use rather than working against it. Where a substance use disorder has its own approved medication, such as for alcohol or opioids, that is coordinated as part of the same plan. Medication is always paired with therapy rather than used on its own, and the decisions are made together, based on your diagnoses, history, and goals.
Quest Wellness Center works with most PPO insurance plans, including Aetna, Anthem, and Carelon, and we verify your benefits before you start. We are an out-of-network provider for most plans, so your coverage and out-of-pocket cost depend on your plan’s out-of-network benefits, deductible, and coinsurance. Most commercial plans cover outpatient treatment for co-occurring mental health and substance use disorders, including PHP and IOP, though the details vary by plan. To verify, the form on this page asks for your insurance provider and member ID, and our admissions team explains what to expect in plain terms, with no obligation. Call (818) 275-9810 or verify your insurance to get exact numbers for your plan.
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Quest’s dual diagnosis treatment is built for adults living with both a mental health condition and a substance use disorder who do not need round-the-clock hospitalization. You can keep up with work, school, or family while attending a structured program, and you return home at the end of each treatment day. People typically start here when treating one condition alone has not held, when mental health symptoms and substance use keep triggering each other, or when separate providers have left their care fragmented. The right level, from PHP down to outpatient, is set during an assessment so the support matches how much both conditions are affecting you. If symptoms are severe enough that medical stabilization or crisis care is needed first, our team helps arrange the right level of care and continues integrated treatment from there.
Treatment for dual diagnosis at Quest combines therapies that work on both the mental health condition and the substance use at once. Cognitive Behavioral Therapy (CBT) helps you recognize the thoughts and triggers that drive both symptoms and substance use, and build coping skills for each. Dialectical Behavior Therapy (DBT) strengthens emotion regulation and distress tolerance, which matters when intense feelings drive use. Motivational Interviewing builds your own motivation for change, important early in recovery. EMDR and trauma-focused work address trauma when it underlies the substance use. Relapse-prevention planning maps the triggers tied to both conditions and a clear response for each. Group therapy reduces isolation and lets people work on co-occurring conditions alongside others who understand. Most clients receive a combination across individual and group sessions, matched to their specific diagnosis and substances.
Dual diagnosis means having both a mental health condition and a substance use disorder at the same time, also called co-occurring disorders. The two interact and feed each other, which is why they are treated together. Quest treats dual diagnosis through integrated outpatient care.
Addiction treatment addresses substance use alone, while dual diagnosis treatment addresses substance use and a co-occurring mental health condition together with one coordinated team. Treating only the addiction often fails when an untreated mental health condition keeps driving use. Quest uses the integrated approach.
Quest treats substance use alongside depression, anxiety, PTSD and complex trauma, bipolar disorder, ADHD, and other mental health conditions. Almost any combination of a mental health condition and a substance use disorder can be treated together in one plan.
Integrated treatment uses one team to treat both conditions at the same time, which is the standard of care and produces more durable results than treating them separately. Sequential or uncoordinated treatment leaves the untreated condition to undermine recovery. Quest is built on the integrated model.
Yes. Quest’s board-certified psychiatrist manages medication for co-occurring depression, anxiety, bipolar disorder, ADHD, and sleep problems, coordinated with the addiction treatment so the two never work against each other. Medication is always paired with therapy.
Yes. Many people with dual diagnosis are treated successfully in structured outpatient programs like PHP, IOP, and OP, which provide intensive, coordinated care while you live at home. If medical stabilization is needed first, Quest coordinates detox with a partner.
There is no fixed timeline, because dual diagnosis treatment depends on the conditions involved and how they respond. Structured outpatient care steps down through PHP, IOP, and OP as both conditions stabilize. Length is set by clinical recommendation, not a calendar.
Quest provides integrated dual diagnosis treatment in person at our facility and through secure telehealth across California, so you can attend on site or from home. Call (818) 275-9810 to get started.
Call (818) 275-9810 or verify your insurance to start dual diagnosis treatment at Quest Wellness Center.
Marriage and Family Therapist Associate, MA
Medically reviewed by Verta Keshishyan, AMFT (Associate Marriage and Family Therapist), registered with the California Board of Behavioral Sciences and supervised by Ari Labowitz, LMFT. Verta has three years of experience with the Department of Mental Health supporting low-income families and families in crisis.
We specialize in treatments for mental health issues and co-occurring disorders.
We concentrate on mental health treatments and co-occurring conditions.
We provide a personalized approach to care.
We possess many years of relevant experience and a strong track record of success.
Our partial hospitalization and intensive outpatient programs provide choices for morning, afternoon, or evening sessions.
We offer case management grounded in clinical evidence.
Experience a secure setting that allows you to concentrate on healing and maintaining a healthy way of life.
We provide opportunities to engage with individuals at every phase of recovery.
We accept most commercial PPO plans with out-of-network benefits. Coverage and costs vary by plan, and we verify your benefits before treatment.
Quest treats dual diagnosis through a structured outpatient continuum, with one team coordinating care for both conditions and the intensity matched to how much they are affecting daily life. Partial Hospitalization (PHP) is the most intensive level, with several hours of treatment on most weekdays, suited to people who need daily structure to stabilize both their mental health and their substance use. Intensive Outpatient (IOP) steps down with fewer weekly hours while keeping strong clinical support. Outpatient (OP) is the lightest level, for maintaining progress and protecting against relapse. Across every level, the same coordinated team handles therapy, medication management, and relapse prevention, so the two conditions are never treated in isolation. This integrated, structured approach is what sets Quest apart from a single weekly appointment or two separate providers, and most clients step down through the levels as both conditions stabilize. Every level is available in person or through secure telehealth. Quest is an outpatient provider and does not offer inpatient detox; when medical stabilization is needed first, we coordinate detox with a trusted partner and bring clients into integrated outpatient care from there.
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We accept most commercial PPO plans with out-of-network benefits. Coverage and costs vary by plan, and we verify your benefits before treatment.
