Troy Morrissette, M.D.


100 Methodist Hospital Blvd

Hattiesburg, MS 39402

Quick Facts

  • Colon Cancer Screenings
  • IBD, Crohn’s Disease, Ulcerative Colitis
  • Acid Reflux/Heartburn
  • Expert Endoscopy and Colonoscopy
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted


Gastroenterology in Hattiesburg, MS


100 Methodist Hospital Blvd

Hattiesburg, MS 39402

Open today 7:30AM - 5 PM



Gastroenterology in Hattiesburg, MS


7127 Hwy 98 West

Ste 10

Hattiesburg, MS 39402

Opening soon at 8 AM

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About Troy Morrissette, M.D.

Troy Morrissette M.D. is a board-certified gastroenterologists practicing at Hattiesburg GI Associates.

Dr. Morrissette was born and raised in Memphis, Tennessee. He attended Briarcrest Baptist High School, where he lettered in football and track. After graduating from Memphis State University with a Bachelor of Science in vertebrate zoology, Dr. Morrissette attended medical school at the University of Tennessee, where he completed his internal medicine residency in 1990 and his fellowship in gastroenterology in 1992. He served as the Chief Gastroenterology Fellow during his fellowship training. Dr. Morrissette is board certified in internal medicine and gastroenterology. After training with Dr. Fox at the University of Tennessee, he moved to Hattiesburg to continue their professional relationship in private practice.

Dr. Morrissette is a member of the American Medical Association, the Mississippi State Medical Association, and the American College of Gastroenterology. He performed duties as the Chairman of the Board of HubHealth, an independent practice association. He has served as Chairman of Nutrition, Chairman of Internal Medicine, President of the Medical Staff, and a member of the Board of Trustees at Wesley Medical Center. He is privileged to practice at Wesley Medical Center. His practice encompasses all aspects of gastrointestinal disease and liver disease.

Dr. Morrissette met his wife, Mrs. Natalie Bray Morrissette, at Bellevue Baptist Church in Memphis, and they have been married for 19 years. They feel very blessed to have two daughters, Summer and Halle, who attend Presbyterian Christian School. He and his family have been members of the First Baptist Church of Hattiesburg, where he was called to serve as a deacon. Dr. Morrissette enjoys many activities outside of his professional career, but none as much as the time he spends with his family.


My visit with Dr. Morrisett was everything to me. He was very caring, attentive and patient. I will recommend him to anyone in need of a great GI doctor!

A.B. Google

Hattiesburg GI Associate Dr Marrissette and staff are very passionate in their profession (ministry) and I always receive excellent care.

L.K. Google

These med people was very concerned, friendly courteous especially Dr. Morissette and his nurse Monica. Thanks

E.C. Google

If you need a GI doctor, Dr. Morrissette is the doctor. Very professional while being very personable. Wouldn’t go anywhere else. I have tried other doctors and GI services, but these are the best.

A.P. Google

My appointment was timely and professional! I love Dr. Morrissette and his staff! They always make me feel comfortable and address my health issues! I would recommend Hattiesburg GI to anyone needing a GI specialist!

A.B. Google


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