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Dr. John Allendorf, MD Get a Free Background Report on Dr. John Allendorf, MD. Malpractice, medical malpractice, sanctions, misconduct, credentials, and penalty or negligence information.

Specializes in Complex General Surgical Oncology • Male • Age 44

120 Mineola Blvd Ste 320
Mineola, NY 11501
OverviewPhone & AddressExperienceHospital QualityPatient Satisfaction

Dr. Allendorf's Experience


  • Complex General Surgical Oncology
  • General Surgery

Board Certifications

  • General Surgery
  • Abdominal Surgery
  • Adrenalectomy
  • Appendectomy
  • Excision of Bile Duct Tumor
  • Gallbladder Removal
  • Gallbladder Removal (Cholecystectomy), Laparoscopic
  • Gallbladder Surgery
  • Laparoscopic Surgical Procedure
  • Lymph Node Biopsy or Excision
  • Minimally Invasive Surgery
  • Pancreatectomy (incl. Pancreas Transplant and Whipple Procedure)
  • Port Placements or Replacements
  • Removal of Reproductive Organs (Hysterectomy, Oophorectomy, Salpingectomy, Salpingo-Oophorectomy, Resection of Peritoneal Malignancy)
  • Thyroid Surgery
  • Adrenal Gland Cancer
  • Anal and Rectal Cancer
  • Appendicitis
  • Bile Duct Cancer
  • Bladder Cancer
  • Breast Cancer
  • Cervical Cancer
  • Colorectal Cancer
  • Esophageal Cancer
  • Gallbladder and Biliary Tract Cancer
  • Gallbladder Cancer
  • Gallbladder Diseases
  • Hodgkin's Disease
  • Liver Cancer
  • Lung Cancer
  • Neuroendocrine Tumors
  • Non-Hodgkin's Lymphoma
  • Ovarian Cancer
  • Pancreatic Cancer
  • Pancreatic Disease
  • Secondary Malignancies
  • Small Intestine Cancer
  • Stomach and Small Intestine Cancer
  • Stomach Cancer
  • Thyroid Cancer
  • Uterine Cancer

Background Check for Dr. Allendorf

0 Malpractice Claims

  • No malpractice history found for New York.
  • No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

  • No board actions found for the years that Healthgrades collects data.

Awards & Recognitions


Education & Training

Medical School

Graduated in 1997

Internship Hospital

Columbia Presbyterian Medical Center
Complete in 1998

Residency Hospital

New York Presbyterian Hosp Columbia Univ Medical Ctr
Complete in 2002

Fellowship Hospital

Columbia U/Ny Pres Hospital
Complete in 2003

Undergraduate Schools

John's Hopkins U
Graduated in 1992

Languages Spoken by Dr. Allendorf & Staff

  • English

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