Nurses & Staff

Amy Dangelmayr

RN, MS, FNP-C

Founder & Owner, WFMC

Amy graduated from Grayson County College in 1998, with an Associates Degree in Applied Science. She continued to University of Texas at Arlington where she received her Bachelor of Science degree in Nursing in 2006 and received her Masters of Science degree from Texas Woman’s University in 2008.

During her later studies, Amy worked as a Registered Nurse in the Denton area, in both Intensive Care and Surgical settings. After graduating from TWU, Amy worked as a Nurse Practitioner in Family Practice and Emergency Room settings in Nocona, Texas.  Amy is a lifelong resident of Muenster, where she lives with her husband Darrell and three beautiful children.

Amy opened Muenster Family Medical Clinic in 2011, where she serves full time as a Nurse Practitioner. Amy loves bringing truly family-friendly healthcare to her hometown and especially enjoys teaching about disease prevention and nutrition.

Llogan Yosten

RN, MSN, FNP-C

Llogan graduated from North Central Texas College with an Associate Degree in Nursing in 2015. She then went on to obtain a Bachelor of Science in Nursing in 2017. From there she went to the University of Texas at Arlington and received a Master of Science in Nursing in 2020. She worked as a Registered Nurse on an orthopedic/ trauma floor at Texoma Medical Center in Denison for six years prior to coming to Whitesboro. She resides in Lindsay with  her husband of five years, Josh. Josh is a math teacher and coach of multiple sports in Lindsay. Together they have two children: a daughter, Llandyn and son, Myles. Llogan is excited to be working in Whitesboro to serve this rural community. Her goal is to empower patients to be able to live their life to the fullest with an emphasis on disease prevention.

Sydney Davis

RN, MSN, FNP-C

Sydney Davis graduated from Texas A&M University with Bachelor’s Degree in Allied Health in 2017 and a Bachelor’s of Science in Nursing in 2019. After graduation, Sydney worked as a labor and delivery nurse at Odessa Regional Medical Center. She continued her studies at Texas Woman’s University, completing her Master of Science in Nursing with an emphasis in Family Nursing Practice. During her time at TWU, Sydney also worked as a home health nurse and nursing adjunct instructor at North Central Texas College. She is board certified through the American Academy of Nurse Practitioners.

Sydney lives in her hometown of Muenster with her husband Michael and their daughter. She enjoys traveling, cooking, and spending time with her family. Her passion lies in delivering personalized care with an emphasis on preventative medicine.

Joanna Sanders

RN, MSN, FNP-C

Joanna was born and raised in Valley View Texas. She graduated from NCTC with her Associate Degree in 2011. She then went on to obtain her Bachelor of Science in Nursing at the University of Texas at Arlington and then received her Master of Science in Nursing from Texas Woman’s University in 2018. Joanna worked as an RN in the ER for seven years. She then worked at a clinic in Plano as a Family Nurse Practitioner for two years prior to coming to work in Whitesboro. Joanna moved to Whitesboro in 2019 with her husband, Justin, and their children Luke and Bailey. Luke and Bailey attend Whitesboro ISD. Joanna and her family enjoy camping at Lake Texoma, traveling and spending time with family and friends. Joanna has ben a part of Cooke/ Grayson County area most of her life and is extremely excited to serve her community at Whitesboro Family Medical Clinic.