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 specialist in Mineola, NY and has been practicing for 15 years. He graduated from Columbia University / College of Physicians And Surgeons in 1997 and specializes in general surgery and complex general surgical oncology.

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*
43

Conditions Treated

Less

Read Less
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)

Likelihood to Recommend (12)

  • 5
    (9)
  • 4
    (1)
  • 3
    (0)
  • 2
    (0)
  • 1
    (2)

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)

in Commack NY
My while experience was handled very professionally with ample time to ask questions and feel very confident though out my whole experience
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in Freeport, NY
Dr. Allendorf saved my life..... Thank you and God Bless!
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