Our private psychiatric practice offers collaborative, evidence-based mental health care for adults in Augusta, the Kennebec Valley region, and across Maine — available in-person and through secure telehealth.

Your Path to Healing Starts Here

We take the time to understand your story, because lasting healing starts with treating the whole person, not just the diagnosis. Our approach is rooted in partnership and respect, helping you take meaningful steps toward balance, resilience, and well-being.

psychiatric evaluations

In-depth assessments that form the foundation of your personalized care plan.

supportive therapy

Trauma-informed sessions that strengthen resilience and emotional well-being.

medication management

Collaborative prescribing focused on education, safety, and long-term progress.

wellness-focused care

Strategies to nurture your overall mental health beyond symptom relief.

Olivia Marson's family

Meet Dr. Olivia Marson

Board-Certified Psychiatric- Mental Health Nurse Practitioner

In 2025, Dr. Olivia Marson founded Willowroot Collaborative to create a grounded, welcoming space where clients feel truly understood. She integrates medication management with supportive therapy to help each person achieve meaningful, lasting change through a trauma-informed approach. Every aspect of care is customized for each client, guiding them from their first evaluation through continued therapy and support.

professional memberships

For Referring Providers

We welcome referrals from other healthcare providers and organizations. Our goal is to collaborate closely with your team to ensure continuity and quality of care for every patient.

Mental Health Insights

Explore our latest articles for practical guidance, clinical insights, expert tips, and everyday tools designed to support your mental well-being, personal growth, and overall resilience.