Dr. John Allendorf, MD

Dr. John Allendorf, MD

General Surgery | Male | 45 years old

Winthrop Surgical Assoc. PC
Accepting new patients
Gastrointestinal Care Excellence Award
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Care Philosophy

Dr. Allendorf specializes in General Surgery and practices in Mineola, NY. He practices at 1 location.

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Dr. Allendorf's Experience

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Specialties

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Board Certifications

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Conditions Treated

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Procedures Performed

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Background Check

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Education

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Awards & Recognition

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Memberships & Professional Affiliations

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Visiting Dr. Allendorf

Dr. Allendorf accepts 12 insurance carriers

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Affiliated Hospitals

Hospital Quality

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Reviewing Dr. Allendorf

Dr. Allendorf's Review Details
4.3 based on 12 responses
Help millions around the nation find the right doctor by sharing your experience with your doctor.
Key Survey Insights
  • Trustworthiness
     (12)
  • Helpfulness
     (12)
  • Staff
     (12)
  • Scheduling
     (12)
Experience with Dr. Allendorf
  • Level of trust in provider's decisions
     (12)
  • How well provider explains medical condition(s)
     (12)
  • How well provider listens and answers questions
     (12)
  • Spends appropriate amount of time with patients
     (12)
Dr. Allendorf's Office & Staff
  • Ease of scheduling urgent appointments
     (12)
  • Office environment, cleanliness, comfort, etc.
     (12)
  • Staff friendliness and courteousness
     (12)
  • Total wait time (waiting & exam rooms)
    10 – 15 minutes (11)
Open Full Survey+
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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Specialties

  • General Surgery
  • Complex General Surgical Oncology

Board Certifications

Why It Matters: Dr. Allendorf's Board Certifications

Board certification should be one of your top considerations when choosing a doctor. Board certification is an official recognition given to doctors who have met specific requirements set by national medical specialty boards in the... More

  • General Surgery

Conditions Treated

  • Adrenal Gland Cancer
  • All Lymphoma
  • Anal and Rectal Cancer
  • Anal Disorders
  • Appendicitis
  • Bile Duct Cancer
  • Bladder Cancer
  • Blood Disorders
  • Bone Disorders
  • Breast Cancer
  • Breast Diseases
  • Cancer
  • Cervical Cancer
  • Colorectal Cancer
  • Esophageal Cancer
  • Esophageal Diseases
  • Gallbladder and Biliary Tract Cancer
  • Gallbladder Cancer
  • Gallbladder Diseases
  • 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 and Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Testicular Cancer
  • Thyroid Cancer
  • Urinary Disorders
  • Uterine Cancer
  • Uterine Diseases

Procedures Performed

  • 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.

    What is medical malpractice
  • 0
    Sanctions

    No sanctions history found for the years that Healthgrades collects data.

    What is a sanction or disciplinary action
  • 0
    Board Actions

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

    What are board actions

Education

  • Medical School
    Columbia University / College of Physicians And Surgeons

    Graduated in 1997

  • Internship Hospital
    Columbia Presbyterian Medical Center

    Completed in 1998

  • Residency Hospital
    New York Presbyterian Hosp Columbia Univ Medical Ctr

    Completed in 2002

  • Fellowship Hospital
    Columbia U/Ny Pres Hospital

    Completed in 2003

  • Undergraduate School
    John's Hopkins U

    Graduated in 1992

Awards & Recognition

  • Awards & Honors
    • Healthgrades Honor Roll
    What is a recognized doctor
  • 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 free profile.

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Dr. Allendorf's experience matches your search based on the following criteria:

  • Based on total number of patients treated over the last 12 months
  • Specializes in General Surgery
  • Board certified in General Surgery
  • No malpractice claims found
  • No sanctions found
  • No board actions found
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Why Does Experience Matter?

Even specialists specialize. One orthopedic surgeon might do nothing but hip surgeries, while another does nothing but knees. If you want the best possible care, it’s critical to match your medical need with the doctor who truly specializes in treating it.

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Patient Satisfaction Results for Dr. Allendorf

Overall Patient Satisfaction Score

Dr. Allendorf's Office & Staff

Ease of scheduling urgent appointments
Office environment, cleanliness, comfort, etc.
Staff friendliness and courteousness
Total wait time (waiting & exam rooms)
10 – 15 minutes

Experience with Dr. Allendorf

Level of trust in provider's decisions
How well provider explains medical condition(s)
How well provider listens and answers questions
Spends appropriate amount of time with patients