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Meet Our Team

DEFY MEDICAL

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Our Team

Meet Our Team
DEFY MEDICAL

Our experienced care team has provided hormone restoration and holistic wellness services to more than 15,000 patients over nearly a decade. See the experience and education that our team brings to each consultation. 

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Justin Saya, MD

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Justin Saya, MD

Dr. Justin Saya is the medical director and lead practicing physician at Defy Medical. Dr. Saya graduated as class valedictorian from North Carolina State University with a dual bachelor’s degree in Biological Sciences and a bachelor’s degree in Economics.
Caleb Calkins, MD

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Caleb Calkins, MD

Dr. Calkins is focused on optimum health for his patients. He believes in a proactive approach to medicine that emphasizes maintaining an appropriate balance of nutrition, hormones, and fitness.
Beth Bray, APRN

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Beth Bray, APRN

Beth Bray, APRN, comes to Defy with over two decades of medical experience. She started her career after graduating from Prairie State College and became a Registered Nurse where she worked in hospital settings for orthopedics and oncology.
Jill Dillenburg, RN

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Jill Dillenburg, RN

Jill Dillenburg, RN, has practiced as a board-certified registered nurse for the past 10 years. She has specialized in the areas of hormone replacement therapy and cardiology. Since 2014, Jill has practiced with Defy as both a provider and the medical manager to Defy’s team of medical assistants.
Melissa Faulk, PA-C

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Melissa Faulk, PA-C

Melissa Faulk, PA-C, graduated Summa Cum Laude from South University in 2003 with a Bachelor of Physician Assistant Studies.
Mike Linkous, PA-C

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Mike Linkous, PA-C

Mike Linkous, PA, completed his bachelor’s degree in Adult Fitness/Exercise Science at Marshall University in West Virginia.   He received his Physician Assistant degree from The College of West Virginia in Beckley, West Virginia in 2000.
Janel Mayer, MSN, APRN, FNP-C

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Janel Mayer, MSN, APRN, FNP-C

Janel Mayer, MSN, APRN, FNP-C obtained her bachelor’s degree in Nursing from Penn College in 2004 and gained valuable experience caring for critically ill patients at some of the finest facilities on the east coast.
Ben Walker, APRN, DC

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Ben Walker, APRN, DC

Ben Walker, APRN, DC received his Doctor of Chiropractic degree in 1989 and has been a nurse practitioner since 2014. His interest in the integrative approach to healthcare inspired him to explore and understand the many facets of optimizing personal health.