Contact Us :
Phone Numbers

4520 Business Center Drive
Fairfield CA 94534

Office Hours
Mon – Fri: 8 a.m. – 5 p.m.

Interventional Endoscopy at NorthBay Healthcare.

Choose Well.

The Interventional Endoscopy program at NorthBay Healthcare offers minimally invasmayo-clinic-care-networkive endoscopic services to the Solano County community and beyond. The use of state-of-the-art interventional endoscopic advances and techniques allow us to diagnose and treat many gastrointestinal and pancreaticobiliary diseases, avoiding the need for surgery.

Interventional Endoscopy at NorthBay


ERCP / Diagnostic and therapeutic endoscopic retrograde cholangiopancreatography for:

Management of benign disease:

  • Bile duct stone
  • Post-operative bile leaks
  • Inflammatory biliary strictures

Diagnosis and management of malignant diseases:

  • Biliary obstruction from pancreatic cancer
  • Bile duct cancer
  • Liver cancer

Comprehensive management of chronic and recurrent pancreatitis:

  • Pancreatic sphincterotomy
  • Stricture dilation
  • Stent placement

EUS / Diagnostic and therapeutic endoscopic ultrasound with fine-needle aspiration for:

  • Pancreatic cancer diagnosis and staging
  • Pancreatic cyst sampling and pseudocyst drainage and debridement
  • Submucosal nodules of the gastrointestinal tract
  • Celiac ganglion blockade and neurolysis for chronic pain from chronic pancreatitis and pancreatic cancer respectively
  • Evaluation of mediastinal and abdominal masses adjacent to the GI tract

Resection of large colon polyps with endomucosal resection (EMR) techniques

Luminal stent placement for obstruction from gastrointestinal cancers

Barretts esophagus diagnosis and management

  • Radiofrequency Ablation

Our team

Interventional Endoscopist, Nazia Hasan MD, MPH
Dr. Hasan is a Harvard-trained interventional endoscopist. She received her medical degree and a master's in Public Health at George Washington University. She then completed her residency in internal medicine at New York University where she was selected for a chief residency position. She completed a gastroenterology fellowship at New York University and went on to an interventional endoscopy fellowship at Beth Israel Deaconess Medical Center at Harvard Medical School. She joined NorthBay in 2015 where she established the interventional endoscopy program. She is passionate about bringing the most advanced endoscopic care to Solano County.

Sharon Picciano, R.N.; Deanne Marturano, R.N.; and Anthony Marquez, Endoscopy Technician. Combined they have more than 40 years of endoscopy experience.