Expanding your health and wellness by personalized appointments


Dr. Donner has been practicing medicine in northern Colorado for more than 25 years. He created the Colorado Spine Institute (CSI) in 2014, and now is pleased to offer through Elite Body and Med Spa non-surgical alternatives for body and facial aesthetics. His commitment to serve the community with experience, innovative technology, and products strengthen his resolve to offer solutions to treat patients both surgically and non-surgically. He understands that surgery is not the only option to improve the aesthetics and health of the patient. He is a dual board-certified orthopedic surgeon who is fellowship trained in the management of spinal disorders with a spine fellowship completed at the University of Pennsylvania and Temple University Hospital in Philadelphia.

Melanie Zimmermann, MSN, APRN, FPN-C

Melanie Zimmermann received a Bachelor of Science in Human Development from Colorado State University. After working as a Social Case Worker for five years, she began her nursing education attending Front Range Community College and soon after received her BSN at the University of Texas. While working as a Registered Nurse, Melanie gained experience working in outpatient surgery centers in perioperative areas, in the emergency room, and infusion nursing. In 2015 her long-time interest in the aesthetics field prompted her to begin attending many facial injecting courses around the country being trained and certified by many well-known providers in the aesthetic industry. Some of the courses she has attended include in-depth facial anatomy assessment in relation to injecting, critical anatomical structures, advanced cannula training, and general facial enhancement courses related to neurotoxins and dermal fillers. Upon completing graduate school and receiving her Masters in Nursing as a Family Nurse Practitioner, Melanie continued broadening her interest in aesthetics, adding hormone replacement therapies, weight loss treatments, and other various skincare modalities to her repertoire.

Melanie is a Fort Collins native and after living for several years in Houston, Texas, her husband and their many pets moved back home. Moving back to Colorado has allowed her to be close to family, enjoy the outdoors by hiking, camping and going to outdoor music concerts.

As a medical aesthetic provider, her attention to detail and conservative, yet effective, approach allows her to tailor treatment plans that fit a patient’s needs and desires, yielding aesthetically pleasing outcomes. Melanie firmly believes that by truly listening to patients as an individual allows her to optimize their well-being from the inside out. Melanie strives to provide a trusting provider-patient relationship that not only involves enhancing her patient’s physical attributes, but also includes treating her patients through a holistic approach to encompass a sense of health for the mind and body.

Kate Springfield, Family Nurse Practitioner (FNP-C)

Kate grew up in a small town in southeast Colorado competing in basketball, volleyball, and track. She graduated in 2012 from the University of Northern Colorado with a bachelor’s degree in Sport and Exercise Science and a triple minor in chemistry, biology, and psychology. She later returned to UNC Greeley for her second B.S. in nursing. After working in the acute care setting as a registered nurse, she simultaneously completed her Master of Science in Nursing from Samuel Merritt University located in California. Her focus is in preventative medicine, cosmetic medicine, and bio-identical hormone replacement. She is a certified Bio TE provider as well as in neuromodulators and dermal fillers. She is married to her husband Mike, a chiropractor, who has positively influenced her disease prevention philosophy. She has two Rottweilers and a cat and enjoys spin class and working out, wake surfing, traveling, and eating the best food she can find.

Leslie Parreco, CLS, LE

Leslie joined Elite Body and Medical Spa in July of 2020. She brings a wealth of experience from her previous medical spa with hands-on skills and certifications on over 12 cutting-edge medical devices and modalities including; LASERS, radio-frequency, ultrasound, shockwave, and Cryolipolysis. In addition to her experience in each of these modalities, Leslie holds her Colorado State Esthetics License from Hair Dynamics in Fort Collins CO. She is also certified in microdermabrasion and chemical peels. After completing her state licensure, she went on to attend Rocky Mountain Laser College in Denver Colorado – one of the oldest and most respected laser colleges in the country, where she earned a diploma in 2016 as a Certified Laser Specialist. Furthermore, Leslie’s passion for skin care took her on to study at the prestigious International Dermal Institute (IDI) where she attained a post graduate diploma in Aesthetics in 2017 after completing an additional 110 hours of study. Additionally, in 2019 she received her advanced skin certification from ZO Skin Health. Leslie is passionate about helping her clients reach optimal health and beauty! Leslie brings 30+ years of experience in business management, where she received numerous awards for customer service excellence and client program improvements. She is an avid equestrian and cyclist (warm weather only please). She enjoys cooking, theater and the gardening. She is also an accomplished musician and has shared the stage with many talented musicians including Jazz Legend Buster Williams.

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4795 Larimer Pkwy, Johnstown, CO 80534




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Elite Body and Med Spa is conveniently located in Johnstown Colorado, serving Loveland, Windsor, Fort Collins, Berthoud, Timnath, Greeley, Longmont, Firestone, and Wellington.