Andover Surgical Associates, Inc.

Personalized Medical Care at its best.

• Home
• Our Physicians
  • Paul J. Gemis, M.D., F.A.C.S.
  • Jonathan D. Mandell, MD., F.A.C.S.
  • Nancy Cho Landay, M.D., F.A.C.S.
  • Earl R. Gonzales, M.D.
  • Victor Villarreal, M.D., F.A.C.S.
• Our Mission
• Our Services
  • Breast Care
  • Gastrointestinal -
    Minimally Invasive Surgery
  • Skin Lesion
  • Hernia Repair
    (Laparscopic or Traditional)

• Did You Know?
  • Gallbladder FAQs
  • Hernia FAQs
  • Melanoma FAQs
  • Hemorrhoid FAQs
• Health Resources
  • Common Cancers
    • Breast Cancer
    • Colon Cancer
    • Skin Cancer
  • Common Benign Disorders
  • About Minimally Invasive Surgery
• For Patients
  & Visitors
  • What to Bring
  • Questions You May Want to Ask Your Surgeon
  • What Should I Expect?
  • Our Billing Policies
  • Waiting Time
  • Let Us Know How
    We Are Doing
  • Our Commitment to You
• Contact Us

Gastrointestinal

Tests and Procedures

• Colonoscopy
• Flexible sigmoidoscopy
• Gastroscopy
• Hemorrhoid banding
• Hemorrhoidpexy
• Sphincterotomy for anal fissure
• Colon or small bowel resection for cancer or benign disorders

Minimally Invasive Surgery

Tests and Procedures

• Lap appendectomy
• Lap colectomy
• Lap cholecystectomy
• Lap herniorrhaphy
• Lap Nissen Fundoplication for GERD
• Lap paraesophageal hernia surgery