304 Charlie Dr, Whitesboro TX ✦ (903) 564-3503 ✦ Monday-Friday 8am-5pm
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Llogan Yosten
RN, MSN, FNP-C
Llogan is a board-certified Family Nurse Practitioner who combines a strong foundational background in acute specialized nursing with a passion for community-centered wellness and disease prevention.
Llogan’s academic journey began at North Central Texas College, where she earned her Associate Degree in Nursing in 2015. Committed to advancing her clinical expertise, she obtained her Bachelor of Science in Nursing in 2017 and went on to graduate from the University of Texas at Arlington with her Master of Science in Nursing in 2020. Prior to transitioning into primary care at the Whitesboro clinic, Llogan spent six years as a Registered Nurse on the high-acuity orthopedic and trauma floor at Texoma Medical Center in Denison, mastering complex patient care and clinical advocacy.
Llogan is honored to practice in Whitesboro, where her ultimate goal is to partner with patients, providing them with the tools and preventative education necessary to live healthy, vibrant lives.
Outside the Clinic: Llogan resides in Lindsay with her husband, Josh, who serves their local community as a math teacher and multi-sport coach, and their three children: Llandyn, Myles, and Kollyns. Together, they love staying active, supporting local sports, and spending quality time together as a family.

RN, MSN, FNP-C
Sydney Davis
Sydney Davis is a board-certified Family Nurse Practitioner committed to delivering highly personalized, preventive medicine. Her comprehensive clinical background includes specialized experience in women's health, community care, and clinical education.
Sydney began her academic career at Texas A&M University, earning a Bachelor’s Degree in Allied Health in 2017, followed by a Bachelor of Science in Nursing in 2019. After graduation, she stepped directly into acute care as a labor and delivery nurse in West Texas. Believing in a well-rounded approach to patient care, Sydney later expanded her clinical expertise into home health services and shared her passion for the profession as a nursing adjunct instructor at North Central Texas College. She went on to earn her Master of Science in Nursing from Texas Woman's University and is board-certified through the American Academy of Nurse Practitioners.
Sydney lives in her hometown of Muenster with her husband, Michael, and their two daughters, Sterling and Chandler. Being deeply rooted in the area drives her passion for elevating rural healthcare and empowering her patients to achieve long-term wellness through proactive, compassionate guidance.
Outside the Clinic: When she isn't seeing patients, Sydney enjoys traveling, exploring new recipes in the kitchen, and soaking up quality time with her family.

RN, MSN, FNP-C
Joanna Sanders
Joanna Sanders is a board-certified Family Nurse Practitioner who brings a rich background of acute clinical experience and deep roots to Whitesboro Family Medical Clinic. Born and raised in Valley View, Texas, Joanna began her healthcare journey at North Central Texas College, earning her Associate Degree in 2011. She went on to complete her Bachelor of Science in Nursing at the University of Texas at Arlington, ultimately earning her Master of Science in Nursing from Texas Woman’s University in 2018.
Joanna spent the first seven years of her medical career as a Registered Nurse in the fast-paced environment of the emergency department, developing strong clinical intuition and expertise in acute care. Transitioning into primary care, she served as a Family Nurse Practitioner at a clinical practice in Plano for two years before bringing her talents back home to her local community. In 2019, Joanna relocated to Whitesboro with her husband, Justin, and their three children, Luke, Bailey, and Kyndall. Deeply embedded in the local community, her older children attend Whitesboro ISD, and Joanna is passionately committed to delivering high-quality, compassionate, and personalized family medicine to her neighbors throughout Cooke and Grayson counties.
Outside the Clinic: When she isn't caring for patients, Joanna loves embracing the outdoors—particularly camping at Lake Texoma—traveling, and making memories with her family and friends.
In Good Hands
Our team brings expertise, compassion, and a genuine commitment to your well-being. We're honored to be the clinic this community calls home.