960 7th Ave North, St. Petersburg, FL 33705 Monday - Friday 08:00-5:00 727-821-8101

Dr. St. Julien, MD, MPH, FACS

Dr. St. Julien was born and raised in New Orleans, Louisiana. He obtained a Bachelor’s of Science degree in Biology at Florida A&M University in 2002.  He received his Master’s of Public Health at the Johns Hopkins Bloomberg School of Public Health in 2006, and his medical degree from Johns Hopkins School of Medicine in 2007.   He completed his general surgery residency at Vanderbilt University in Nashville, Tennessee in 2014.  He spent two years at the MD Anderson Cancer Center in Houston, Texas, focusing on clinical research in patients with endocrine and pancreatic malignancies.  Dr. St. Julien then completed a fellowship in Advanced GI Minimally Invasive Surgery at the Mayo Clinic College of Medicine in 2017, where he focused on advanced laparoscopic surgery techniques in liver, pancreatic, foregut, bariatric, and robotic surgery. 

Dr. St. Julien is committed to providing high-quality, evidence-based, and compassionate care to every patient, with his main focus being on obtaining the best clinical outcomes using minimally invasive techniques.  For this reason, he incorporates the da Vinci robotic surgical system throughout his practice.  Clinically he is passionate about the surgical management of complex liver and pancreas disorders, reflux and swallowing disorders, endocrine disease, and obesity.   Dr. St. Julien helped to establish, and is the surgical director of the St. Anthony's Heartburn & Swallow Center.  He is a member of the American College of Surgeons, the Society of Surgical Oncology, the Americas Hepato-Pancreato-Biliary Association, and the Society of American Gastrointestinal and Endoscopic Surgeons. 

Clinical interests:

  • Advanced Laparoscopic and robotic surgery
  • Liver cancer and biliary disorders
  • Pancreatic cancer and disorders
  • Gastroesophageal reflux disease and achalasia
  • Endocrine diseases (Adrenal, thyroid, parathyroid)
  • Colon and rectal cancer and disorders
  • Gastric cancer
  • Melanoma
  • Hernia repair
  • Weight loss surgery

Personal interests

  • Guitar, singing, fitness, basketball, reading, video games, traveling, spending time with my family and my dog


Hepato-pancreato-biliary Surgery

Liver and bile duct tumors • Laparoscopic liver resections • Major liver resections • Biliary bypass procedures Pancreas tumors and cysts • Laparoscopic distal pancreatectomy • Whipple procedure (pancreaticoduodenectomy)

Foregut Surgery

Gastroesophageal reflux disease • Laparoscopic hiatal hernia repair • Laparoscopic magnetic sphincter augmentation (Linx) • Laparoscopic fundoplication • Robotic roux-en-Y gastric bypass • Revisional surgery Gastric Cancer • Laparoscopic partial gastrectomy • Laparoscopic total gastrectomy with lymph node dissection • Laparoscopic feeding tube placement Achalasia • Laparoscopic heller myotomy Gastroparesis • Laparoscopic pyloroplasty • Laparoscopic subtotal gastrectomy

Endocrine surgery

Thyroid disorders (cancer, nodules, Grave’s disease) • Thyroid lobectomy • Total thyroidectomy Parathyroid disease • Primary hyperparathyroidism • Minimally invasive parathyroidectomy • 4-gland exploration • Secondary hyperaparathyroidism • Subtotal parathyroidectomy (3.5 glands) +/- reimplantation • Parathyroid cancer Adrenal disorders • Suspicious or functional adenomas, pheochromocytomas • Laparoscopic adrenalectomy • Adrenocortical cancer • Radical adrenalectomy Neuroendocrine GI tumors

Colon and Rectal Surgery

Diverticular disease • Laparoscopic and robotic sigmoid colon resections Cancer • Laparoscopic and robotic colon resections • Robotic rectal resection • Sphincter preservation • Transanal excisions

Bariatric Surgery

• Laparoscopic sleeve gastrectomy • Laparoscopic and robotic roux-en-Y gastric bypass • Laparoscopic revisional surgery

Surgical oncology

Melanoma excisions with lymph node evaluation

Hernia Surgery

• Laparoscopic and robotic hernia repair • Abdominal wall reconstruction