Dr. John Allendorf, MD

Dr. John Allendorf, MD

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General Surgery  |  
Male  |  
46 y/o
(12)

Accepting new patients

Dr. John Allendorf, MD is a general surgery doctor who practices in Mineola, NY. He is 46 years old and has been practicing for 20 years. Dr. Allendorf is affiliated with NYU Winthrop Hospital.

Winthrop Surgical Associates

120 Mineola Blvd Ste 320

Mineola, NY 11501
Get Directions

Accepted insurance

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • Empire Blue Cross Blue Shield
  • Locals (any local)
  • MagnaCare
  • Medicaid
  • MultiPlan
  • Oxford Health Plans
  • POMCO Group
  • UnitedHealthCare

Learn about Dr. Allendorf

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

new

See how frequently Dr. Allendorf performs your care needs compared to other doctors.

Pancreatectomy (incl. Pancreas Transplant and Whipple Procedure)
very high
more than 99% of peers
Pancreatic Cancer
very high
more than 93% of peers
Port Placements or Replacements
very high
more than 93% of peers

Dr. Allendorf's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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2

Specialties

  • General Surgery
  • Complex General Surgical Oncology
1

Board Certifications

  • General Surgery
    Accredited by: American Board of Physician Specialties*
44

Conditions Treated

  • Adrenal Gland Cancer
  • All Lymphoma
  • Anal Disorders
  • Anal and Rectal Cancer
  • Appendicitis
  • Bile Duct Cancer
  • Bladder Cancer
  • Blood Disorders
  • Bone Cancer
  • Bone Disorders
  • Breast Cancer
  • Breast Diseases
  • Cancer
  • Colorectal Cancer
  • ENT Cancer
  • Esophageal Cancer
  • Esophageal Diseases
  • Fallopian Tube Cancer
  • Gallbladder Cancer
  • Gallbladder Diseases
  • Gallbladder and Biliary Tract Cancer
  • Gastrointestinal Diseases
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Hodgkin's Disease
  • Liver Cancer
  • Lung Cancer
  • Neuroendocrine Tumors
  • Non-Hodgkin's Lymphoma
  • Ovarian Cancer
  • Pancreatic Cancer
  • Pancreatic Disease
  • Pulmonary Disease
  • Secondary Malignancies
  • Small Intestine Cancer
  • Soft Tissue Sarcoma
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Testicular Cancer
  • Thyroid Cancer
  • Urinary Disorders
  • Uterine Cancer
  • Uterine Diseases

More

Read More
21

Procedures

  • Abdominal Surgery
  • Adrenalectomy
  • Appendectomy
  • Bile Duct Procedure
  • Colon and Rectal Surgery
  • Excision of Bile Duct Tumor
  • Gallbladder Removal
  • Gallbladder Removal (Cholecystectomy), Laparoscopic
  • Gallbladder Surgery
  • Gastroenterology Procedures
  • Head and Neck Surgery
  • Laparoscopic Surgical Procedure
  • Lung Surgery
  • Lymph Node Biopsy or Excision
  • Minimally Invasive Surgery
  • Open Tumor Ablation, Liver
  • Pancreatectomy (incl. Pancreas Transplant and Whipple Procedure)
  • Percutaneous Tumor Ablation, Liver
  • Port Placements or Replacements
  • Removal of Reproductive Organs (Hysterectomy, Oophorectomy, Salpingectomy, Salpingo-Oophorectomy, Resection of Peritoneal Malignancy)
  • Thyroid Surgery

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

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.

Education

  • John's Hopkins U
    Undergraduate School | Graduated 1992
  • Columbia University / College Of Physicians and Surgeons
    Medical School | Graduated 1997
  • Columbia Presbyterian Medical Center
    Internship Hospital | Completed 1998
  • New York Presbyterian Hosp Columbia Univ Medical Ctr
    Residency Hospital | Completed 2002
  • Columbia U/Ny Pres Hospital
    Fellowship Hospital | Completed 2003

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Allendorf has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Allendorf does not have any memberships or affiliations listed. If you are Dr. Allendorf and would like to add memberships or affiliations, please update your profile.

NYU Winthrop Hospital

is a Recipient of a Healthgrades Excellence Award
Gastrointestinal Care Excellence Award

Hospital Quality Award

Dr. Allendorf is on the medical staff at our top-rated hospital.

View Awards

Dr. Allendorf's Reviews

Likelihood of recommending Dr. Allendorf to family and friends
4.3
based on 12 total reviews (2 with comments)
Dr. Allendorf's Performance
  • Trustworthiness
    EXCELLENT
  • Explains condition(s) well
    EXCELLENT
  • Answers Questions
    EXCELLENT
  • Time well spent
    EXCELLENT
Office & Staff Performance
  • Scheduling
    EXCELLENT
  • Office environment
    VERY GOOD
  • Staff friendliness
    EXCELLENT
  • Average wait time
    10 to 15 minutes
Patient Comments (2)
Commack NY |
My while experience was handled very professionally with ample time to ask questions and feel very confident though out my whole experience
in Freeport, NY |
Dr. Allendorf saved my life..... Thank you and God Bless!
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Visit Dr. Allendorf

Now Accepting New Patients
Dr. Allendorf accepts 12 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Blue Cross Blue Shield
    Blue Card PPO
  • Cigna
  • EmblemHealth
    Emblem Health
    GHI PPO
    Health Insurance Plan of Greater New York (HIP) PPO
  • Empire Blue Cross Blue Shield
    Empire Blue Cross Blue Shield HMO
  • Locals (any local)
  • MagnaCare
  • Medicaid
  • MultiPlan
  • Oxford Health Plans
    Freedom Plan
  • POMCO Group
  • UnitedHealthCare
    Choice Plus POS
    Options PPO
    Oxford Liberty
    United Healthcare

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Allendorf has admitting privileges

NYU Winthrop Hospital
259 1st St
Mineola, NY 11501
View Hospital Profile

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