Abby Arross, DNP, FNP-C
I am a board-certified family nurse practitioner with six years of experience, holding a Doctorate in Nursing Practice from the University of Wyoming. I am Bio-Te® certified and passionate about optimizing health and wellness. In addition to my clinical practice, I work as a group fitness instructor, combining my medical expertise with my love for fitness to help others feel their best—physically, mentally, and emotionally. My mission is to empower individuals to achieve their goals and become the best version of themselves.
Abby Arross, DNP, FNP-C
I am a board-certified family nurse practitioner with six years of experi...
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Alison Burch PA-C
As a Physician Assistant, my work centers on longevity, hormonal harmony, weight management, and muscle recovery—empowering patients to live stronger, healthier lives.
Alison Burch PA-C
As a Physician Assistant, my work centers on longevity, hormonal harmony, weigh...
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Dr. Melissa Hieb, D.O., M.S. is a board-certified OB/GYN physician, surgeon, and founder of EVOKE Health in Casper, Wyoming. With nearly three decades of experience in health and wellness, Dr. Hieb is deeply committed to helping patients achieve balance, vitality, and confidence — from the inside out and the outside in.
Before establishing EVOKE Health, Dr. Hieb has built a distinguished medical career focused on comprehensive women’s healthcare, fertility, and preventive wellness. She holds a Master of Science in Exercise Physiology, a foundation that has fueled her lifelong passion for fitness, movement, and optimal performance. A former athlete and fitness instructor herself, she understands firsthand the critical link between physical strength, mental resilience, and overall health.
At EVOKE Health, Dr. Hieb brings together the best of modern medicine, advanced aesthetic technology, and functional wellness. As Medical Director and Owner, she leads a team dedicated to restoring confidence and promoting well-being through innovative, evidence-based treatments that support both inner and outer health. Her philosophy centers on treating the whole person — empowering patients to feel as strong, radiant, and healthy as they look.
Known for her compassionate approach and deep clinical expertise, Dr. Hieb continues to inspire her patients to take charge of their wellness journey and embrace aging as an opportunity for renewal and strength. Through EVOKE Health, she fulfills her vision of a space where science, self-care, and beauty intersect — helping individuals truly evoke their best selves.
Dr. Melissa Hieb, D.O., M.S. is a board-certified OB/GYN physician, surgeon, and founder of EVOKE...
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Michaela Matula, M.A.
Laser Certified Technician
I have over eight years of experience in the medical aesthetics field and am passionate about helping people look and feel their best. I’m dedicated to continually expanding my skills through advanced training and ongoing education, and I hold multiple certifications in medical-grade skincare and laser technology.
My true passion is helping others feel confident and beautiful in their own skin. With a combination of knowledge, experience, and genuine care, I strive to deliver results that go beyond the surface—creating personalized experiences that enhance confidence and support long-term skin health.
Outside of work, I’m a proud mom of three and a dog lover. I’m a coffee enthusiast, a big foodie, and spend much of my free time cheering on my kids at their sporting events.
Michaela Matula, M.A.
Laser Certified Technician
I have over eight years of experience in the me...
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