About Us

North Texas GastroIntestinal Associates was established in 2009 in Denton, TX., by Dr. Shawn Panzer. We are committed to the independent practice of traditional fee-for-service medicine, and we plan to serve the community of Denton indefinitely. We are ethically bound to provide appropriate care to our patients from the time physicians take the Hippocratic Oath, so we do not wish to be compensated for denying or limiting your access to care. We believe that we should represent our patients’ interests only, not those of an employer or government entity. We believe that the practice of medicine is an art; it is a complex fusion of science, experience, intuition and compassion. Thank you for considering us for your care.

Shawn William Panzer, M.D.

College: Wake Forest University
Honors: Phi Beta Kappa, Summa Cum Laude

Medical School: Eastern Virginia Medical School
Honors: Medical student honor society; scholastic/service award

Internal Medicine Training: Baylor College of Medicine, Houston
Honors: Chief medical resident; clinical investigator pathway, research award; medical literature publications

Gastroenterology Training: The Johns Hopkins Hospital, Baltimore and The Baylor College of Medicine, Houston
Honors: Medical literature publications

Practice Experience: 1996 – present

Toni G. Perkins, MS, APRN, FNP-C

Toni is a Board Certified Family Nurse Practitioner through the American Academy of Nurse Practitioners (AANP) and licensed as an Advanced Practice Registered Nurse through the Texas Board of Nursing. She graduated from AMEDD Center & School Combat Medic Course at Ft. Sam Houston, earning her EMT-B certification in January 1998. In May 1999, she graduated from AMEDD Center & School Practical Nurse Course at Ft. Sam Houston, earning her LVN license. She began her nursing career at Brooke Army Medical Center at Ft. Sam Houston, San Antonio, in May 1999, assigned to a Level I Trauma Center. In 2007, she began working for North Central Texas College Vocational Nursing Department as Lead Professor, where she continues to educate and mentor future Nurses. In December 2009, Toni graduated with honors from North Central Texas College, earning her Associate of Applied Science degree with a major in Nursing. She graduated with honors from Texas Woman’s University in August 2013, earning her Bachelor of Science degree with a major in Nursing. She attended Graduate School at Texas Woman’s University, graduating with honors and earning her Master of Science degree with a major of Family Nurse Practitioner in December 2016. In addition, she is a member of the Golden Key International Honour Society, Sigma Theta Tau International Honor Society of Nursing, and the American Academy of Nurse Practitioners.

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