About us

Dixi’s MediSpa opened its doors in September of 2022. The 2,662-square-foot medical facility offers a judgmental-free space that feels like a second home where you can feel empowered to become the most beautiful version of yourself and where languages have no barriers since all offered services are in English and Spanish.

Our founders and owners, Dr. Randall Brewer MD, and Diximar Brewer, LE offer the latest- in-demand medical aesthetic procedures and only medical-grade products for all their clientele from both Shreveport and Bossier areas.


Diximar Brewer, LE

Manager & Provider

Dixi is a License Esthetician and Certified Medical Aesthetician born in Venezuela. She founded, owns, and manages Dixi’s MediSpa. Counts with more than 30 cosmetic certifications, three cosmetology state licenses from Florida, Texas, and Louisiana, and three years of experience in the Medical Spa industry. Dixi’s MediSpa concept was born from her ideas and passion for becoming a remarkable specialist in Medical Spa treatments and for helping her clients feel empowered to become the most beautiful version of themselves.

“Beauty is being comfortable in your own skin” – Dixi

Randall Brewer

Medical Director

Since 2004, Dr. Brewer has been in clinical practice in Shreveport, Louisiana, and maintains academic appointments at Duke University and Louisiana State University, where he routinely lectures in the areas of Pain Medicine and Clinical Neuroscience in the Department of Neurology and the Medical school. A native of Shreveport, he has treated chronic pain conditions as an Anesthesiologist, Neurologist, and Pain Medicine Physician. As a fellowship-trained Pain Medicine physician from Mayo Clinic in Florida, he is very skilled at interventional pain procedures including injections to facial nerves like Botox and fillers with a cosmetic purpose.

In addition to his clinical practice, Dr. Brewer has led pharmaceutical and medical device development clinical trials as a Certified Principal investigator for more than 15 years. He has also contributed to public health education through editorial columns in the local newspaper and regularly hosts the local public radio station’s weekly public health information program, Health Matters.

Atenas Calzadilla

Customer Service

Atenas started working with us as our project manager and is now part of our administrative team. She is an accountant and a Master of International Business Graduate from Hult International Business School (Dubai, UAE). Her more than nine years of experience in the retail industry allowed her to accept, in February of this year, the challenge of developing this new project in the Medical Spa industry. Her motto is:  “Always maintain yourself in a learning mode and be ready to broaden your horizons.”

Margareth Montoya


Margareth Montoya is a micro-pigmentation specialist artist, and cosmetologist. Certified by PhiAcademy, one of the best academies in the world, and licensed to operate her services in the states of Louisiana and Texas. Her 16 years of experience and more than five hundred satisfied clients throughout her career speak of a dedicated and passionate Colombian that cares about what she does. She loves creating beautiful eyebrows, always looking to give her clients incredible, impeccable, and long-lasting results. 

“working hard on something you love is not work. It´s passion”- Margareth

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