About Us

Contact Us
Call Us
Patient Portal

Meet our AMAZING Team of Medical Providers at Opus Anti-Aging & Wellness

We provide care that changes lives. Let us help you reach your health & lifestyle goals.

Our mission is to provide our clients with personalized, innovative, and science-based solutions that enable them to look and feel their best. We are dedicated to delivering exceptional service and the best in anti-aging, longevity, recovery and wellness.

Our Team

Gwieneverea Brandon, MD

Co-Owner, Medical Director

More About Dr. Brandon

Credentials, Education, & Achievements:

  • M.D., Thomas Jefferson Medical College
  • Residency & Fellowship – Pediatrics & Neonatology
  • Member – American Academy of Ozonotherapy
  • Member – Institute for Functional Medicine
  • Veteran – Lieutenant Colonel, US Army

Special Training and Emphasis on:

  • Motivating people to find their optimal health and well-being
  • Aesthetics – 10 years, focusing on Botox & Dermal Fillers

Why I Chose to Open Opus:

In order to provide a choice in wellness for individuals wanting to utilize tools for their body to heal itself.

Things you may not know about me:

  • Married for 22 years with 5 beautiful children
  • Vegan for 3 years

Melissa Santiago, ND

Naturopathic Doctor, Co-Owner, New Patient Coordinator

More About Dr. Santiago

Credentials, Education, & Achievements:

  • ND- Naturopath College, Utah
  • Began career in 1991

Special Training and Emphasis on:

  • Klinghardt Academy – Neural Therapy, Autonomic Response Testing
  • American Ozone Academy – Ozone Training, Neural Therapy, Chelation, Biologic Dental Support

Why I Chose to Open Opus:

Equipping people to take responsibility for their health has always been my passion. If I can teach a patient to understand their own needs they can teach and encourage others. In addition, over my many years of experience, I have come to realize the tremendous importance of the mind, body, spirit connection. The role this plays in recovery is a crucial component to living a healthy full life.

Things you may not know about me:

  • Found love for the second time around and now enjoying life with four adult children, 2 grandsons, and 2 dogs.
  • Loves to dance, travel, cook and garden.

Valerie Chavez, MD

Medical Director of Medical Cannabis

Credentials, Education, & Achievements:

  • Bachelor of Science in Biology – St. Mary’s University
  • M.D., University of Texas Health Science Center at San Antonio, TX
  • Internal Medical Residency – Austin Medical Education Programs

Special Training and Emphasis on:

  • Functional Medicine, Energy Medicine, Homepathy

My Role At Opus:

I evaluate patients for Medical Cannabis

Things you may not know about me:

I love music!

Oralia Diaz, ACNS-BC

Adult Holistic Health Coach, Hormone Replacement Therapy

Credentials, Education, & Achievements:

  • Masters of Nursing – University of Texas at Austin
  • Institute of Coaching Mastery

Special Training and Emphasis on:

  • Hormone Replacement Therapy
  • Geriatric Adult Health/End of Life Care
  • Family Constellations Facilitator

My Role At Opus:

I provide support for hormone-related symptoms & weight management through the use of natural hormone replacement therapy and targeted peptide treatments. I offer health coaching strategies designed to enhance energy levels, promote hormonal balance, support sustainable weight management, and guide informed decision-making about your health.
My approach emphasizes education & empowerment, equipping clients with the knowledge and practical tools needed for long-term wellness. I focus on cultivating a deeper understanding of the dynamic connection between the mind, body, and spirit—helping clients recognize how these influence their daily experiences and how to align them for meaningful, lasting change.

Things you may not know about me:

I enjoy travel and have been to all 7 continents.