VCAT Brain Based Treatment Center

VCAT Treatment Center (VCATTRC) is a state-of-the-art brain and neuroscience-based treatment facility in Costa Mesa, California, that delivers quality, personalized treatment to those suffering from mental health and substance use disorders.

Brain Based Treatment For Mental Health and Addiction

VCAT Brain Based Treatment Center delivers advanced diagnostics and integrated therapies for mental health and addiction. Our signature Visual Concentration Attention Therapy (VCAT) improves focus, resilience, and emotional well-being. Moreover, science-based care combined with compassion empowers clients to achieve lasting recovery. At VCAT Brain Based Treatment Center we specialize in dual diagnosis treatment, addressing both mental health and substance use disorders. In addition, services include detox, outpatient programs, and group therapy. Consequently, this comprehensive model treats diverse behavioral health challenges while tailoring care to individual needs. Ultimately, our mission is to restore balance, rebuild lives, and promote long-term healing.

Whether you’re taking the first step to break free from addiction or you’ve gone through relapse, VCAT Center welcomes the opportunity to help you on your recovery journey. Our neurocognitive brain based treatment programs give you the tools to return to a healthier, happier, and more successful life. We’ve helped countless people move into a state of higher functioning where they’re able to live sober, productive lives—and you deserve the same!

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(714) 714-0532

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Healthy Brain Functioning as the Basis of Recovery

VCAT Treatment Center: Brain Based Treatment for Behavioral Health Care

Our neurocognitive brain based Treatment Center delivers advanced diagnostics and integrated therapies for mental health and addiction. Our signature Visual Concentration Attention Therapy (VCAT) improves focus, resilience, and emotional well-being. Moreover, science-based care combined with compassion empowers clients to achieve lasting recovery. We specialize in dual diagnosis treatment, addressing both mental health and substance use disorders. In addition, services include detox, outpatient programs, and group therapy. Consequently, this comprehensive model treats diverse behavioral health challenges while tailoring care to individual needs. Ultimately, our mission is to restore balance, rebuild lives, and promote long-term healing.

Neuroscience-Based Recovery and Dual Diagnosis Treatment

True recovery begins by restoring brain balance. Therefore, our neuroscience-driven model integrates diagnostics with personalized care. Research shows many disorders stem from disrupted brain function. As a result, impaired focus, self-control, and daily performance often occur. We provide multi-dimensional assessments and neurocognitive treatment plans tailored to each client. In addition, evaluations identify dysregulation caused by trauma, addiction, or psychiatric conditions. Consequently, individualized therapies combine neuroscience, behavioral interventions, and holistic practices. Ultimately, clients experience improved brain health, resilience, and quality of life.

Signature Programs: Visual Concentration Attention Therapy (VCAT) and NeuroStimulator Therapy

Our breakthrough programs at VCAT Treatment Center for Brain and Behavioral Health Care and VCAT NeuroStimulator Therapy—were developed by Dr. Nader Siahdohoni. Moreover, these non-invasive treatments enhance brain plasticity, rejuvenate neural pathways, and correct chemical imbalances. As a result, they are among the most effective solutions for neural dysfunction. In addition, real-time brain mapping ensures precise identification of dysregulated activity. Consequently, therapies directly target root causes of dysfunction. Ultimately, combining neuroscience with behavioral and holistic care empowers clients to achieve lasting recovery and peace of mind

Our Philosophy: Integrative Barin Based Mental Health and Addiction Recovery

Mental health and substance use disorders are complex, often resulting in relapse without proper support. At VCAT Treatment Center, our philosophy centers on restoring brain balance for sustainable healing. Guided by the motto “Quality Care Starts with a Quality Program,” we create individualized treatment plans tailored to each client’s unique needs.

Our services include dual diagnosis care, addiction recovery programs, and mental health therapies designed for long‑term success. Every program is led by specialists in psychiatry, psychology, and addiction medicine under the direct supervision of Dr. Siahdohoni, ensuring clinical excellence and compassionate guidance.

Our Commitment

Respect and dignity remain at the heart of recovery. By integrating neuroscience, evidence‑based behavioral therapies, and holistic practices, we deliver advanced healing that empowers individuals to rebuild their lives. VCAT Treatment Center provides innovative, personalized care that supports resilience, prevents relapse, and promotes lasting wellness.

About Dr. Nader Siahdohoni

Dr. Nader Siahdohoni, Ph.D., is the founder and owner of VCAT Treatment Center.

He is a clinical psychologist specializing in mental, behavioral health, and addiction treatment in Costa Mesa, CA.

As a leading voice in brain-based treatment, Dr. Nader has years of experience working in this field and is the creator of the innovative Visual Concentration Attention Therapy (VCAT). He is also a professional health/life coach.

Testimonials

Dear Dr. Nader,

As I finally sit down to write this, I find I am at a loss for words. What do you say to another human being who gave your life back? …Who fixed you ?…Who believed in me ? Who reminded me daily that I was worth it ? I’ll attempt to put it into words.

When I came to you I was a shell of a human being, I was beyond broken , I truly thought I wasn’t fixable . There were so many years of so many doctors and it was always the same…more meds…different meds…different rehab centers. To be honest, I didn’t think you would be any different.

Not once did any of these “ addiction doctors “ look into the fact I had a traumatic brain injury. Not once did they think to even scan my brain and yet addiction is a brain based disease. It didn’t make sense.

It was Only when you showed me the Correlation between traumatic brain injury and substance-abuse disorder did it all come together and make sense to me.

You will always hold a very special spot in my heart and my families heart for healing me. I may not have always been the easiest patient, but by halfway through, I was 100% on board.

I started to feel better within the first two weeks ! After that it only got better. Please show everyone on your staff this letter especially Lars . That man got me through some of the toughest days.

Again Doctor, I just want to thank you for getting my life back on track. It’s coming up on one year soon and can’t wait to share that anniversary with you and the staff.

Dear Dr. Nader,

I never do reviews and I usually don’t write thank you notes, but I needed to let you and your staff know that my life is forever changed. Having a Brain injury and depression is something I don’t wish on anyone. For years, I went all over the country trying to find a place that would address these issues without turning me into a zombie from medications. There are only a few facilities that do this type of treatment but I couldn’t afford them. You made this possible for me.

I really enjoyed the 8 weeks I spent with you and your staff. I never expected to get such Concierge service . The staff, the house, the food everything was top notch. Bottom line, I feel like I did back in college, alert, happy and full of hope for my future. My goal is to tell everyone I know that there is holistic help that works. This treatment is a miracle to me. I thank you from the bottom of my heart as does my family.

Forever grateful.

Dear Dr. Nader and Staff,

When I arrived, I felt hopeless. After so many doctors, mental health centers and medications that didn’t work I figured this would be my life from now on. To be honest, I was Skeptical that the V cat center would be any different . It’s been 6 months since I came home and my life has never been better. Everyone can see the change in me. I no longer have confusion, I feel great and since I’m off my anti-depression meds I feel clear and happy. I also really appreciated the support I received even after I got home. I am not a great writer so I hope my words express my thanks to you and your amazing staff. I will keep in touch and update you and Lars on my progress.

Dear Dr. Nader and staff.

Hello Dr Nader. I just wanted to let you know I got my 6th month sobriety chip today. Without the VCAT center I would not be where I am today. I know I was a bit of a handful when I got there, for that I apologize but the staff was so kind and supportive. Please show everyone this letter . I also texted Lars and Robyn to let them know I got my 6 month chip. My next email should be my one year chip.

Dr Nader and the VCAT staff, I wanted to reach out to you to tell you how good I am doing. It looks like I will be starting college This Summer. I wouldn’t have been able to do anything like this without you help. Please say hello to everyone and tell them I am starting back at school.

I will never forget my 3 months with you all and I’m so very grateful not be suffering anymore from addiction and depression. Without you, my life would be the dumpster fire it was for many years .

Dr Nadar and the VCAT staff, I wanted to reach out to you to tell you how good I am doing. It looks like I will be starting college This Summer. I wouldn’t have been able to do anything like this without you help. Please say hello to everyone and tell them I am starting back at school.

I will never forget my 3 months with you all and I’m so very grateful not be suffering anymore from addiction and depression. Without you, my life would be the dumpster fire it was for many years .

Dear Dr. Nader and staff.

I am writing this to let you know how much you have changed my life. Upon arrival I was a mess of a human being . Suffering from Traumatic brain injury , addiction, depression and anxiety I was so afraid I wouldn’t get better.

I can’t thank you all enough for helping me. Changing my brain changed my entire life. I no longer desire to use drugs or alcohol, I am working a full time job, and my relationship with my girl has never been better. I still speak with Lars weekley as he checks in with me and that’s been an unexpected pleasure. Again, thanks for all you have done.

Restoring Brain Health with Holistic Behavioral Therapies

Our mission at VCAT Center for Brain and Behavioral Health Care is to help clients achieve higher functioning and renewed healing. Therefore, we provide tools, skills, and knowledge for long-term recovery. Unlike traditional methods, our approach begins at the brain—the body’s control center. Moreover, restoring healthy brain function rebuilds resilience and unlocks natural healing.
In addition, integrative care combines neuroscience, brain mapping, behavioral therapies, and holistic practices. Consequently, clients overcome co-occurring conditions and reclaim independence. Ultimately, recovery at our center means restoring balance, rediscovering meaning, and progressing toward lasting transformation.

Ready to Make a Change?

Living with mental health and substance use disorders can be hard. And understanding or committing to the treatment process can be difficult. But it doesn’t have to.

If you or a loved one is struggling with addiction or psychological disorders, our neurocognitive brain based treatment center in Costa Mesa, CA., is dedicated to working with you and supporting you with the necessary tools to overcome your challenges and start living a better life.

Call VCAT Treatment Center today at (714) 714-0532 to find out more about our brain mapping and neuroscience-based treatment options. Treatment can begin discretely and quickly.