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About Lumen Wellness & Counseling

A whole-person approach to healing, growth, and well-being.

At Lumen Wellness & Counseling, we believe that meaningful change begins in a space where you feel safe, supported, and truly seen. Our team is dedicated to creating a calm, non-judgmental environment where you can openly share your experiences, explore your emotions, and begin moving toward a more balanced and fulfilling life.

The Lumen Therapy Approach

The process of working toward positive change can feel overwhelming—but you don’t have to navigate it alone. Our counseling approach is centered on creating a safe, supportive space where you can express your thoughts and emotions freely while building meaningful coping skills for everyday life.

Through a strength-based, trauma-informed, and person-centered approach, we work alongside you to process your experiences, ease anxiety, release stress, and reduce feelings of depression. As these barriers begin to lift, you can reconnect more deeply with the people in your life—your family, your relationships, and most importantly, yourself.

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Sandy and Erin met while working at Mercy Hospital-St. Louis, where their  shared a passion for holistic care quickly became clear. As conversations continued, they often found themselves imagining what they would build if given the chance—a place that addressed not just one aspect of wellness, but the whole person. Those early conversations became the foundation for Lumen Counseling & Wellness: an integrated, whole-person practice created to meet the emotional, physical, and mental health needs of our community through multiple services and supports in one welcoming space.

Meet Our St. Louis, MO Therapists

St Louis Therapists
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Sandra Diver

MSW |  LCSW

Co-Founder and

 Lumen Partner

 Therapist 

MO & AZ Therapist

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Erin Poniewaz

LPC | NCC 

Co-Founder and
Lumen Partner
Therapist

MO Therapist

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Jen McCurdy

LPC | NCC

Lead Therapist/

Lumen Manager

MO Therapist

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Heidi Klosterman

LPC | NCC

Lumen Therapist

MO Therapist

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Stephanie Oetjen

PLPC | MCMHC

Lumen Therapist

MO Therapist

Meet Our Scottsdale, AZ Therapists

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Sandra Diver

MSW |  LCSW

Co-Founder and

 Lumen Partner

 Therapist 

MO & AZ Therapist

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More Than Therapy—A Whole-Person Experience

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Whole-Person Approach

We believe true healing happens when every part of you is supported. Our approach integrates mind, heart, and body—creating a more balanced and lasting path to wellness.

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Calm, Spa-Like Environment

From the moment you walk in, our space is designed to help you feel at ease. Soft lighting, warm tones, and a peaceful atmosphere create an experience that feels restorative, not clinical.

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Compassionate Care

No two journeys are the same. Our providers take the time to understand your unique needs, offering thoughtful, individualized support every step of the way.

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Integrated Wellness Services

With therapy, massage, psychiatry, and more available in one place, we make it easier to care for your mental, emotional, and physical well-being—together.

Here to Support You Every Step of the Way

At Lumen Wellness & Counseling, our mission is simple—to help you feel better, more connected, and more in control of your life. Whether you’re beginning your journey or continuing your growth, we are here to support you with care that is thoughtful, personalized, and rooted in compassion.

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