865-558-0601 mmahan@gia180.com

Associates, PC

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The Team

Melissa Mahan, RN, BSN

Originally from Brentwood, Tennessee, Melissa earned her bachelor’s degree in nursing from the University of Tennessee. Her 16-year nursing career has included time in medical surgery, women’s health, labor and delivery and gastroenterology. She joined Gastrointestinal Associates as a registered nurse in 2012 and was named clinical director of GIA 180 in 2015.

Along with GIA 180 dietitian Katelyn Bianconi, Melissa leads a support group and exercise class for GIA 180 participants twice monthly. A West Knoxville resident, Melissa enjoys exercising, playing softball, baking, reading and playing with her three young children: daughter Addy and sons Riley and Fitz.

The Protocol

Our medically developed weight loss protocol and smarter lifestyle choices education offers dieters what they really want…a structured program that can put an end to constant dieting.


Business Hours

Monday to Friday:
8:00am - 5:00pm


Gastrointestinal Associates, PC is Authorized to Use the Ideal Protein Weight Loss Protocol and Products. The testimonials on this website are those of the individual that is identified, you should not necessarily expect to receive these results. Typical results vary from person to person and individual to individual when the Ideal Protein Weight Loss Protocol is followed properly. You should consult your physician or other health care professional before starting this or any other diet program to determine if it is right for your needs.

1311 DOWELL SPRINGS BLVD Knoxville TN 37909 – Phone: 865-558-0601
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