01. Doctor Overview

Doctor Overview

Dr. John D. Allendorf is a surgical oncologist at NYU Langone Hospital—Long Island. He previously served as the chief of surgical oncology at NYU Winthrop Hospital in Mineola, New York. Dr. Allendorf is board-certified by the American Board of Surgery and has more than 20 years of experience. He also served as the vice chairman of the Department of Surgery, chief of surgical oncology and the director of the Hepatobiliary and Pancreatic Surgery Program at NYU Winthrop Hospital.

Dr. Allendorf has worked alongside Dr. John A. Chabot in treating patients diagnosed with mesothelioma, specifically peritoneal mesothelioma. Dr. Allendorf has taken part in mesothelioma research with the Columbia University Mesothelioma Center. In addition to mesothelioma, he also treats adrenal tumors, pancreatic cancer, thyroid cancer, gastrointestinal cancer, goiter and other diseases of the liver, pancreas and endocrine system.

02. Fast Facts

Doctor Fast Facts

Main Specialty: Surgery

Other Interests & Specialties: General surgery, peritoneal mesothelioma, surgical oncology, endocrine surgery, neoplasm seeding, skin cancer, colectomy, endocrine disorders, gastrointestinal surgery, hepatobiliary and pancreatic surgery.

Certifications, Awards & Accolades: American Board of Surgery Certification, ACS Fellow, CMS Stage 1, member of the American Association of Endocrine Surgeons

Education & Experience:

  • Medical Degree from Columbia University College of Physicians & Surgeons
  • Residency for General Surgery at New York Presbyterian Hospital
  • Fellowship at New York Presbyterian Hospital
03. Publications