About
Denise C. Bannister, MD, earned her Bachelor of Arts in Biology and Spanish from Austin College in Sherman, Texas, in 1989. She then completed her medical degree at the University of Texas Medical Branch in Galveston in 1993, followed by her internship and residency in internal medicine at the same institution through 1996. She holds board certification as a Diplomate of the American Board of Internal Medicine. She speaks both English and Spanish. Her professional memberships include the American Medical Association, the Texas Medical Association, and the Dallas County Medical Society.
Over her 27-year career in primary care, Dr. Bannister has developed a practice philosophy rooted in knowing patients as individuals. She describes herself as a diagnostician and life coach, focused on empowering patients toward healthier futures. Her clinical interests span longevity, diabetes, cardiovascular prevention, memory loss prevention, stress management, and weight-loss support using newer medications. She affiliated with MDVIP to protect the doctor-patient relationship she has always prioritized. Outside of medicine, she raised four daughters while maintaining a busy private practice. She enjoys cooking vegetarian recipes, baking sourdough bread, and spending time with her children and dogs.
Education & Training
Undergraduate
Austin College, Sherman, TX — Bachelor of Arts, Biology and Spanish, 1989
Medical School
University of Texas Medical Branch (UTMB), Galveston, TX — Doctorate of Medicine, 1993
Residency
Internal Medicine Residency, University of Texas Medical Branch (UTMB), Galveston, TX, 1994-1996
Additional Training
Internship, University of Texas Medical Branch (UTMB), Galveston, TX, 1993-1994
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Bannister right for?
Dr. Bannister is a strong fit for adults who want a physician who knows them as a whole person. Patients managing diabetes, cardiovascular risk, or weight concerns benefit from her focused clinical approach. She also serves adults interested in longevity planning and memory loss prevention. Spanish-speaking patients will find a physician who communicates fluently in their language. Those who value direct after-hours access to their doctor will feel well served here.
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Frequently Asked Questions
Dr. Bannister focuses on diabetes, cardiovascular prevention, memory loss prevention, stress management, and weight loss. She also brings expertise in longevity medicine and preventive care. Her 27 years in internal medicine give her a broad clinical foundation for managing complex adult health concerns.
Yes, Dr. Bannister holds certification as a Diplomate of the American Board of Internal Medicine. She completed her medical training at the University of Texas Medical Branch in Galveston and has practiced internal medicine for 27 years.
Yes, Dr. Bannister speaks both English and Spanish. Patients who prefer to communicate in Spanish can do so comfortably during appointments.
Dr. Bannister describes herself as a diagnostician and life coach. She focuses on knowing each patient as an individual and empowering them toward healthier futures. Her approach draws on internal medicine, functional medicine, and preventive care principles.
Yes, Dr. Bannister guides patients through weight-loss journeys using newer medications. She takes a clinically informed, individualized approach to weight management as part of her broader focus on preventive health.
Dr. Bannister earned her medical degree from the University of Texas Medical Branch in Galveston in 1993. She completed her internship and residency in internal medicine at the same institution, finishing in 1996. She earned her undergraduate degree in Biology and Spanish from Austin College in Sherman, Texas.
Yes, Dr. Bannister holds hospital privileges at Methodist Richardson Medical Center. This connection gives her patients access to coordinated hospital-based care when needed.
Dr. Bannister holds membership in the American Medical Association, the Texas Medical Association, and the Dallas County Medical Society. These memberships reflect her ongoing engagement with the broader medical community.
Doctor profile last updated March 21, 2026