Wendy E. Mallory, MPH, MSN, FNP-C, is a board-certified Family Nurse Practitioner with experience in both primary care and hematology/oncology. She earned her Bachelor of Science in Nursing and Master of Public Health from Liberty University, as well as her Master of Science in Nursing from South University, where she graduated with honors. Wendy has a diverse clinical background spanning primary care, pediatrics, cardiology, hematology/oncology, and public health. She is passionate about preventive care and partnering with patients to support lifelong wellness.
Outside of work, Wendy enjoys trips to the Outer Banks and spending time with her husband, daughter, and chocolate lab. Most weekends, she can be found on the sidelines cheering on her daughter at softball games. She also looks forward each year to her medical mission trip to Honduras with Friends of Barnabas.
Tiffany Polo is an ANCC board-certified Family Nurse Practitioner specializing in primary care.
Education:
A double alumna of the University of Virginia, she earned both her Bachelor of Science in Nursing and her Master of Science as a Family Nurse Practitioner from the university.
With over 26 years of experience in the medical field, Tiffany brings a wealth of clinical expertise to her practice. Her extensive background spans primary care, emergency medicine, and cardiac care, providing her with a unique perspective on both acute intervention and long-term wellness. She is particularly passionate about preventative medicine and the management of chronic conditions, including heart failure, obesity, and diabetes.
Tiffany believes in a patient-centered approach that empowers individuals through education and proactive health management.
Outside of the clinic, she is a devoted wife and mother of two who stays active through biking, hiking, and traveling. She also enjoys spending time at the beach, attending live music performances, and going to sporting events with her family.
Mary is a board-certified Family Nurse Practitioner. She earned her Master of Science in Nursing and Bachelor of Science in Nursing degrees from Virginia Commonwealth University. She has a Bachelor of Arts degree in Government with a minor in Kinesiology and Health Sciences from the College of William and Mary.
Mary worked as a primary care Family Nurse Practitioner for over 10 years before joining Nautilus in January 2026. In her previous role, she also served as the Lead Advanced Practice Provider for the Mid-Atlantic region for a large healthcare organization.
Outside of work, Mary enjoys staying active with her spouse and 3 children.
Kelli Baker is an adult health nurse practitioner in Virginia who brings a warm, steady, and compassionate presence to the patients she serves. She earned her Master of Science in Nursing through the collaborative program between George Mason University and George Washington University, building on her registered nursing foundation to become board certified as an Adult Nurse Practitioner (ANP BC). Kelli also holds certification as a dementia practitioner, reflecting her commitment to supporting patients and families facing cognitive and memory related conditions. Her clinical background spans cardiac intensive care, palliative medicine, and adult primary care, giving her a broad and deeply informed perspective on the needs of adults across all stages of health. She specializes in managing chronic conditions such as hypertension, diabetes, and heart failure, and she is known for her thoughtful communication style, clear explanations, and collaborative approach to care. Kelli’s dedication to high quality, person centered healthcare is further reflected in her recognition as the APC of the year award in 2023 an honor that highlights her professionalism, compassion, and commitment to excellence.
