Welcome to our online booking page. Thank you for choosing Main Health Collective.

Don’t see a time that works for you? Give us a call or text us at 865-205-1185, and we’d be happy to assist in finding a time that works!

New Patient Exams: All new patient paperwork is required at least 24 hours before your scheduled appointment time. This allows our providers to thoroughly review your case and prepare for your visit. If paperwork is not completed at least 24 hours in advance, your appointment may be cancelled.

Chiropractic Re-evaluation/Functional Health Extended Follow-up: This visit is for established patients who have either not been seen at Main Health Collective in 90 days or are seeking care for a new or different complaint.

Follow-up Visits: These visits should be scheduled with the provider with whom you have previously established care.

Dr. Marissa Campos completed her doctoral education in naturopathic medicine, where she received comprehensive training in nutrition, lifestyle medicine, botanical medicine, nutritional supplementation, homeopathy, and whole-person wellness.

As a Functional Health Consultant at Main Health Collective, Dr. Marissa provides personalized health education and wellness guidance to help clients better understand the factors influencing their overall well-being. Her approach emphasizes nutrition, lifestyle, stress management, sleep, movement, and evidence-informed natural wellness strategies that support the body’s innate ability to thrive.

Dr. Marissa is passionate about empowering individuals with practical, sustainable tools to optimize their health through education and informed lifestyle choices.

Dr. Marissa Campos completed her doctoral education in naturopathic medicine, where she received ... Read More

Dr. Zach Main is a chiropractic physician and co-founder of Main Health Collective. Originally from Canada, his background in high-level hockey shaped an early interest in movement, performance, and recovery, laying the foundation for his root-cause, movement-first approach to chiropractic care.

Dr. Zach trained under GRIP Approach founder Dr. Benjamin Fergus and is certified in GRIP and Non-Surgical Joint Replacement techniques, along with advanced training in Dynamic Neuromuscular Stabilization (DNS), the McKenzie Method of Mechanical Diagnosis and Therapy (MDT), and a range of soft tissue and manual therapy techniques, including dry needling.

Following an individualized model of care, Dr. Zach blends hands-on treatment, movement-based rehab, and patient education tailored specifically to the individual.

His goal is simple: help patients move better, recover faster, and stay that way long-term.

Dr. Zach Main is a chiropractic physician and co-founder of Main Health Collective. Originally fr... Read More

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Located at: 7315 Clinton Hwy, Suite C, Powell
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