Dr. Shanna Garza, MD

Primary Care Physician

McKinney Office

My greatest honor is partnering with patients to help them live well, focusing on prevention and actively working to improve their physical and mental health."

Voted D Magazine's Best Doctor in Colin County 2026

Caring For Patients For over 19 Years

Dr. Shanna Garza, MD, has 19 years of experience as a Family Medicine Physician with a focus on Adolescent Medicine to Salience Health. She is adept at working with patients of all ages, addressing a wide range of medical and mental health conditions. Her commitment to providing comprehensive, patient-centered care aligns perfectly with Salience Health’s mission of providing integrated care to patients. Dr. Garza’s approach ensures continuity of care, helping her patients achieve better health outcomes and improve their quality of life.

Dr. Garza’s deep community involvement, including active participation in her church and various local initiatives, reflects her dedication to cultivating a supportive environment for her patients. She is a member of several professional societies, such as the American Academy of Family Physicians and Texas Academy of Family Physicians, which keeps her connected to the latest advancements in family medicine.

Through her past leadership and community involvement, she developed a deep understanding of the challenges families, adolescents, and healthcare systems face in real-world settings. Her work collaborating with school districts, community coalitions, and healthcare advisory groups strengthened her ability to approach care from both a clinical and systems-based perspective.

These experiences sharpened her commitment to prevention, early intervention, and whole-person wellness — principles she brings directly into her work with patients at Salience Health. They also reinforced her dedication to maintaining the highest standards of ethical, compliant, and patient-centered care. Today, she leverages that insight to advocate for her patients, coordinate thoughtfully within multidisciplinary teams, and ensure each individual receives care that is not only evidence-based, but deeply connected to their broader life context.

One of the most dedicated Primary Care Physicians in McKinney

Dr. Garza’s past volunteer work, including her involvement with CitySquare Wellness Fairs, Project Access Dallas, Healing Hands Ministries, and JPS Health Network outreach programs, highlights her commitment to public service and her ability to connect with and support diverse patient populations.

Outside of her professional life, Dr. Garza is a devoted mother to two teenagers and enjoys attending their sports events. She is also active in a book club, regular exercise, entertaining, travel and her church. Her personal interests and community ties enrich her ability to connect with and support Salience Health patients, helping them navigate their health journeys with empathy and expertise.