Dr. Cynthia Stuart, DO
DPC Family Medicine physician, Lewisville, TX
Dr. Cynthia StuartDr. Cynthia Stuart is a board certified family medicine physician who offers direct primary care at Diamond Physicians Castle Hills.
Facts on this page last checked November 2026. How we check doctors
About Dr. Stuart
Dr. Stuart is board certified in both Family Medicine and Obesity Medicine. She earned a Bachelor of Science degree in Biology from the University of Texas. She attended medical school at the University of North Texas Health Science Center in Fort Worth.
She completed her residency with UT Southwestern and the Methodist Hospital System and served as Chief Resident. She also finished a two-year course in Advanced Leadership at the Southern Methodist University Cox School of Business. She emphasizes preventive care and natural disease management through lifestyle changes.
With direct primary care she takes a more holistic approach, with a special interest in preventing cardiovascular disease. She believes health insurance should be used only for catastrophic events such as cancer, surgery or hospitalization. She has appeared on local and national television and radio programs to teach the public about health topics.
In her spare time she enjoys reading, hiking and SCUBA diving.
Membership and fees
Diamond Physicians Castle Hills is a direct primary care practice where members get access to a personal physician.
Membership includes unlimited visits, an annual physical with screening labs, and no co-pay for visits.
Members also get after-hours access for urgent issues and same-day attention for urgent care.
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Recognition and research
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Patient reviews
"Creates a clinic environment that feels welcoming and safe."
"Focuses on helping patients understand, not just hear."
"Brings a calm strength to medical appointments."
"Gives advice that feels both informed and compassionate."
"Always prepared, calm, and kind during treatment."
Great!
"Helped me consider the best treatment option."
Awesome!
"Very good doctor in a very nice clinic."
Questions patients ask
Does Dr. Stuart take insurance, or offer a membership?
Dr. Stuart offers direct primary care with a membership at Diamond Physicians Castle Hills. The practice says health insurance is meant to be used for catastrophic health events, like cancer, surgery and hospitalizations.
What does membership at Diamond Physicians Castle Hills include?
Membership includes unlimited visits, an annual physical with screening labs, and no co-pay for visits. It also includes after-hours access for urgent issues and same-day attention for urgent care.
Is Dr. Stuart board certified?
Dr. Stuart is board certified in both Family Medicine and Obesity Medicine.
Where did Dr. Stuart train?
She attended medical school at the University of North Texas Health Science Center in Fort Worth. She completed her residency with UT Southwestern and the Methodist Hospital System, where she was Chief Resident.
Where is Dr. Stuart's office?
Dr. Stuart practices at Diamond Physicians Castle Hills.
What conditions does Dr. Stuart treat?
She offers medical management of diabetes, high blood pressure, high cholesterol, thyroid disorders, weight management, ADHD and depression.
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