Our Providers

Denise McNatt

Denise McNatt PA-C has been a physician assistant since 1982 when she graduated from Duke University's physician associate program. She's worked in dermatology for more than 10 years and has specific interests in both medical and especially cosmetic dermatology. Her passion for neurotoxins, fillers and lasers is infectious. Denise also takes the lead in our practice in CoolSculpting, a noninvasive body contouring device that eliminates unwanted fat. She relocated to the Midwest from the Pacific Northwest specifically to work with Dr. Khanna.

Marianne Rao

Marianne Rao has been a Physician Assistant since 2007, when she acquired a Master’s degree in Medical Sciences from Midwestern University. Prior to that, Marianne attended the University of Chicago where she earned an undergraduate degree. She has acquired a plethora of skills through the years, working as a hospitalist and a gynecological PA, as well as in aesthetic medicine. She is known for her passion, and her devotion to patients, continually committed to helping them achieve a healthy state of being. Marianne believes in integrative medicine that treats the person holistically and does not merely address the disease state. As a native Chicagoan with down home Midwestern values, she provides patients with the highest standard of care, just as she would give to her own family.

Tina Warmbold, Medical Aesthetician

Growing up in the cosmetic industry, Tina has always had a passion for skincare. She decided to pursue a career in aesthetics, becoming licensed in 2008. She joined the DSI team in 2015 where she developed expertise in performing laser hair removal, IPL treatments, and chemical peels. Tina also attended Zeltiqs "Cool University", becoming certified in CoolSculpting. She is dedicated to helping her patients achieve superior results, while providing them the care and comfort they deserve.