Trauma and PTSD therapists & psychiatrists in Irvine, CA

Hi, Im Cassondra Del Rosario or Cassie is a Licensed Professional Clinical Counselor. I have a Master’s Degree in Developmental Psychology from Azusa Pacific University and a Master’s Degree in Clinical Counseling from Alliant International University. I am trained in EMDR to support and help those heal from their trauma.

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My name is Maximiliano Cabellos, LMFT

I am here to support you in addressing your needs and help you discover an appropriate and healthy approach. My goal is to assist you in getting to the root of challenges and overcoming them to live a more fulfilled life.

Making the decision to start therapy is a profound investment of your time, energy, and vulnerability. If you are looking for a blank-slate clinician who simply nods and listens, we might not be the best fit. I offer a highly engaged, malleable, and unflinching partnership.

My approach is rooted in the belief that while the work of untangling our lives is deeply structural, the room itself doesn't always have to feel heavy. I bring a grounded warmth to my practice—which means knowing how to sit quietly in the gravity of a difficult truth, but also knowing when to break the tension, exhale, and find the light in the sheer complexity of being human. I won’t just sit in silence while you do all the heavy lifting; I am an active collaborator who adapts to exactly where you are.

Ollie Maggi works with individuals and couples to help navigate life and relationship stressors. As an LMFT and school psychologist, she specializes in neurodivergence and ADHD. She also has four years of specialized sex therapy training. Ollie assigns homework, so be ready for check-ins and an accountability partner.

Hello, my name is Sherri Crespin, a board-certified Psychiatric Mental Health Nurse Practitioner passionate about providing integrated care for complex mental health challenges, including personality disorders, PTSD and trauma, substance use disorders, ADHD, depression, anxiety, panic disorders, mood disorders, and bipolar conditions. My practice recognizes these conditions are interconnected in ways requiring specialized understanding.

I chose these specializations because I understand how trauma influences personality development, how ADHD complicates substance use recovery, how symptoms emerge during extreme stress, and how these complex interactions require providers who see the complete picture. Whether you're in recovery while managing other conditions, dealing with personality patterns that developed as survival mechanisms, or navigating multiple diagnoses, I bring the expertise needed for comprehensive care.

My approach emphasizes evidence-based treatments and the healing power of being truly understood. I recognize that seeking help for stigmatized conditions like personality disorders takes tremendous courage, especially after negative experiences with providers. I create a therapeutic space where you can explore your experiences without judgment or shame.

You can expect a thorough assessment, personalized treatment planning, and consistent support throughout our work together. My goal is to help you build resilience, develop effective coping strategies, and thrive in your daily life.

IMPORTANT: For current availability, visit https://mentalhealthpractitioners.com/ or call or text us anytime at 415-968-6515—we make it super easy! Intake forms are required before your first appointment. You can text us your info or email us at [email protected]. Please send us a picture of your insurance information and photo ID!

IMPORTANT: All clients must complete our intake form and sign our policies before their appointment. Please complete these documents at https://intakeq.com/new/6oakjo/lusjbb or contact us at 415-968-6515 (call or text).

I'm accepting new patients in Arizona and California!

As a Board-Certified Psychiatric Mental Health Nurse Practitioner, I've dedicated my career to helping individuals find clarity and stability through compassionate, evidence-based medication management. My journey in mental health began with my foundational education at Mount Saint Joseph University, followed by advanced psychiatric training at Purdue Global, where I developed specialized expertise in psychopharmacology—the science of how psychiatric medications work in the brain and body.

I understand that starting or adjusting psychiatric medication can feel overwhelming. Many of my patients come to me after struggling with multiple providers, ineffective treatments, or confusing explanations about their care. I've made it my mission to change that experience. When we work together, you'll never wonder why I'm recommending a particular medication or what to expect from your treatment plan.

My clinical focus includes complex conditions that benefit from careful, individualized medication strategies: ADHD, OCD, personality disorders, PTSD and trauma-related conditions, depression, anxiety disorders, panic disorder, mood disorders, and bipolar disorder. I particularly enjoy working with patients who have treatment-resistant symptoms or multiple diagnoses—situations that require creative problem-solving and a deeper understanding of how medications interact within your unique system.

What sets my approach apart is the time I invest in truly understanding you. I'm here to provide clear guidance and consistent support throughout your journey toward better mental health.