About Our Practice

Board-Led Direction

Advanced  Technology

Precision With Purpose

Our Story

Expertise You Can Trust. Care You Can Feel.

Stellar Medical Aesthetics was founded on a simple yet powerful belief: when patients feel confident in their appearance, it positively impacts every area of their lives. Located in Knoxville, Tennessee, our clinic is built on a foundation of medical integrity, precision-based treatments, and a deep commitment to patient-centered care.

Operating at the intersection of medicine and aesthetics, we combine advanced technology, clinical expertise, and thoughtful artistry to deliver refined, natural-looking results. Every decision we make is guided by safety, ethics, and long-term outcomes ensuring each patient receives care that is both responsible and results-driven.

Under the leadership of Dr. Bill Burkhart, a highly respected physician with deep, multi-generational ties to the Knoxville medical community, Stellar Medical Aesthetics was established with a clear vision. Through years of clinical practice, Dr. Burkhart recognized the transformative role aesthetic medicine could play—particularly when advanced laser and minimally invasive treatments addressed concerns traditional medicine could not.

What became evident was not only the physical improvement these treatments provided, but the emotional and behavioral shift that followed. Patients who felt better about their appearance often felt more confident, more motivated, and more engaged in their overall health and well-being. That realization continues to shape our philosophy today: healthy skin supports a healthier, more confident you.

We continue to invest in industry-leading technology and highly trained professionals to ensure every treatment plan is personalized to each patient’s skin, goals, and lifestyle. Rather than attempting to reverse aging, we approach it as an opportunity to support vitality, strength, and confidence at every stage of life.

Bill Burkhart, MD

Medical Director

As Founder and Medical Director, Dr. Burkhart provides clinical oversight and strategic direction for Stellar Medical Aesthetics. His extensive medical background and longstanding presence in the Knoxville community ensure that every treatment offered meets the highest standards of medical responsibility, safety, and ethical care.

Dr. Burkhart’s leadership emphasizes evidence-based treatments, patient education, and a philosophy that aesthetic medicine should support, not overshadow overall wellness.

“Aesthetic medicine should never be about changing who someone is. It’s about using medical science and precision to support healthy skin, confidence, and long-term wellness.”

Meet The Team

The Girls Of Stellar

Eve Costner, RN, BSN

NURSE INJECTOR

Savannah Warwick, RN, BSN

NURSE INJECTOR

Ashley Jackson

PATIENT CARE COORDINATOR

Kelley Bowers, MSW

ADMINISTRATION

FAQ’s

What Sets Stellar Apart

What makes Stellar Medical Aesthetics different from other aesthetic clinics?

Stellar Medical Aesthetics is guided by medical leadership, ethical standards, and a conservative approach to aesthetic care. Every treatment is thoughtfully planned with safety, balance, and long-term results in mind, never trends or shortcuts.

How does Stellar ensure natural-looking results?

We focus on facial harmony, proportion, and individualized treatment planning. Rather than a one-size-fits-all approach, each patient receives personalized recommendations designed to enhance their natural features while preserving what makes them uniquely themselves.

Why is medical oversight important in aesthetic treatments?

Medical oversight ensures treatments are performed responsibly, safely, and with a deep understanding of anatomy and skin health. Under the direction of Dr. Bill Burkhart, Stellar maintains the highest standards of care, ethics, and clinical excellence.

What can patients expect from the Stellar experience?

Patients can expect a welcoming, professional environment where education, transparency, and comfort come first. From consultation to follow-up, our team prioritizes clear communication, personalized care, and results that support confidence at every stage.

Need flexible payment options for your care?

Flexible payment options are available to help you move forward with your care confidently, comfortably, and on a plan that fits your lifestyle.

Contact

Questions? We're Here To Help

Discover what personalized, medical grade aesthetics can do for you.

11126 Kingston Pk, Ste 102 Farragut, TN 37934

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Eve Costner, RN, BSN

Nurse Injector

Eve Costner is a highly experienced aesthetic nurse injector with over 12 years in aesthetic medicine. After earning her RN and BSN from East Tennessee State University, she trained extensively under a plastic surgeon before expanding her expertise in a medical spa setting.

Eve is widely recognized for her deep knowledge of injectables, with a strong focus on natural-looking outcomes that enhance individual features. She has a particular passion for collagen-stimulating treatments such as Sculptra, appreciating their ability to deliver gradual, long-lasting results.

Outside of the clinic, Eve enjoys time with her husband and son, supporting the Volunteers, and making memories with family and friends.

Savannah Warwick, RN, BSN

Nurse Injector

Savannah brings a strong clinical foundation from her background in the Cardiovascular Intensive Care Unit, where precision and attention to detail were essential. Over the past five years, she has transitioned her expertise into aesthetic medicine, combining medical knowledge with an artistic approach to treatment.

She specializes in injectables including Botox, Dysport, dermal fillers, and collagen stimulators, focusing on results that feel authentic and confidence-boosting. Savannah is passionate about creating outcomes that positively impact both appearance and self-esteem.

When she’s not in the clinic, Savannah enjoys exploring East Tennessee, attending UT football games, and experiencing live country music.

Ashley Jackson

Patient Care Coordinator

Ashley is a dedicated Patient Care Coordinator known for creating a warm, welcoming experience from the very first interaction.  With a strong background in healthcare with 14 years of experience in patient assessment and care coordination, she specializes in guiding patients through every step of their journey.  Her compassionate approach makes her a trusted resource for patients, and her positive energy helps foster a seamless and supportive office environment.

In her free time, Ashley is a proud mom to her twin boys and loves surrounding herself with friends and family, making the most of every moment together.

Kelley Bowers, MSW

Administration

Kelley is an administrator at Stellar Medical Aesthetics and a proud East Tennessee native. She earned her MSW from the University of Tennessee in 2011. She transitioned into operations management within the aesthetics industry in 2015.
 
Kelley is known for her caring and compassionate approach, strong attention to detail, and unwavering commitment to quality of care and exceptional patient experience. She is passionate about creating a welcoming environment where both patients and team members feel supported.
 
Outside of the office, Kelley enjoys spending time with family and friends, celebrating the Vols, staying active at the gym, gardening, diving into true crime stories, and attending concerts whenever she can.