Calista has enjoyed participating in patient care at Virginia Integrative Health as the Office Manager and Medical Assistant, and has been with the family owned practice since opening in 2010. She developed a passion for healthcare from a young age descending from 3 generations of women doctors and practitioners, and was accepted in the MENSA high IQ society at age 4.

Calista attended Fairfax High School, followed by Graham Webb Academy for aesthetics, before proceeding to earn her Registered Medical Assistant from American Medical Technologists. She completed a certification in Functional Nutrition from Institute for Functional Medicine, and has completed numerous accredited CME certificate courses in Hyperbaric Oxygen Therapy, endocrine and hormonal disorders, environmental immunology, HIPPA and OSHA safety and security, human resources, and disease risk factors.

The most enjoyable part of patient care to her is seeing patients reach their wellness goals, enabling them to lead the healthy lifestyle they deserve, by adeptly and compassionately managing their case in conjunction with a team of skillful physicians. She continues to be inspired by participating in developing new studies and treatments, publishing medical articles, educating the patient community about cutting-edge research and promoting advocacy.

Caring for and with family and the patients that have become a part of it are also a cornerstone, as well as her personal health, motivated by the familial autoimmune and genetic chronic conditions that were an inspiration for the Petrie family to start the practice. In her free time, Calista enjoys the outdoors with her fiancé and two dogs by traveling, hiking, golfing, and gardening as well as spending time with her mother and little sister caring for animals, crafting, and creating artisanal healthy cooking recipes.

Office Manager

Calista Petrie, M.A. Functional Nutrition Counseling, IFM Certified

Shannon Ginnan, M.D.

Dr. Ginnan, an expert on healing the body from the inside-out, loves helping patients who feel they've reached the "end-of-their-road", get better! Dr. Ginnan is well versed in functional medicine, which looks at the functional causality of a certain health condition, such as diabetes, and strives to treat the underlying cause of the dysfunction instead of just the symptoms themselves. Functional medicine allows Dr. Ginnan to improve the lives of his patients by finding and removing dysfunction and returning the body to a balanced state; decreased pain, increased balance and increased energy, to name just a few. These changes are orchestrated by thorough patient education and positive one-on-one interactions of Dr. Ginnan as well as those of the other holistic specialists of Virginia Integrative Health.

Our Doctor

At Virginia Integrative Health, we care about your health, and use the best equipment possible to diagnose your health-related condition. Whether you're looking for an alternative to a knee replacement, tired of being chronically fatigued, or need help managing your life with diabetes, we can help you. We never cut corners and always do what's best for you and your overall health. You can trust that Virginia Integrative Health in Vienna will ensure you get the care and treatment you need with the best results.

Your health is important to us!

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