Welcome to

Mandeville Mental Health Counseling

Practical Counseling for Navigating Your Life

Every life carries its mix of challenges and blessings. At Mandeville Mental Health Counseling in Oyster Bay, NY, our goal is simple: to help you move forward with less stress, less pain, and more joy. 

Everyone deserves a more satisfying life, and we’re here to help you create yours. Our practice provides a welcoming space where clients of all ages feel safe, seen, and supported on their path to healing and growth.

Get in-person therapy in Oyster Bay, NY.

EMDR Therapy for Grief and Trauma

Resilience Training for Kids

Individual Therapy for Everyone

Meet Julie Keffer, owner, lead therapist

The owner of Mandeville Mental Health Counseling -- Julie -- smiles in a blue shirt as she stands in front of the ocean.

Julie is a mental health counselor and EMDR therapist in Oyster Bay, NY who provides therapy to clients of all ages. She has a special focus on grief, trauma, and working with children. She believes therapy is a collaborative process of discovery, offering a safe, empathetic, and non-judgmental space where clients feel heard. Julie draws on her experience in bereavement, special education, and as a hands-on parent to support clients navigating grief, trauma, and life transitions.

Her approach is direct yet compassionate, emphasizing the importance of self-care and helping clients build practical skills for emotional resilience. Julie loves helping young women, children, and adults find their voice, build confidence, and move forward with clarity and joy.

Work with us in Oyster Bay, NY.

We are here to help you heal from grief, process trauma, and develop skills for a more resilient and fulfilling life. If you’re ready to take the next step, schedule a free 15-minute consultation today. Together, we can create a plan tailored to your needs and goals.

Call us at 516-751-5490 or email us to get started.