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Dr. John Dennis Allendorf, MD
TOP DOCTOR

Dr. John Dennis Allendorf, MD

Accepting patients

    Overview

    Dr. John Allendorf, MD is a Surgeon, who primarily practices in Mineola, NY with 2 additional practice locations. He is board certified. Dr. Allendorf graduated from Columbia Univ College of Physicians And Surgeons and completed his residency at Columbia U/Ny Pres Hosp. Dr. Allendorf is fluent in English and is currently seeing new patients. Dr. Allendorf’s practice accepts Blue Cross Blue Shield (BCBS), Cigna, Medicaid, Aetna, Bravo Health and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Allendorf’s office at (516) 663-3300.
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    Medical Specialties and Areas of Expertise

    Surgeon

    Education & Training

    Ny Pres Hosp (Internship)

    Columbia U/Ny Pres Hosp (Residency)

    New York Presbyterian (Residency)

    New York Presbyterian (Fellowship)

    Medical Degree - Columbia Univ College of Physicians And Surgeons

    Medical Conditions Treated

    conditions treated by a Surgeon, like Dr. John Allendorf, may include:

    Please contact Dr. Allendorf's office for more information or to schedule a consultation.

    Medical Procedures Performed

    procedures performed by a Surgeon, like Dr. John Allendorf, may include:

    Surgical Consultation, Surgery, Neurosurgery Consultation, Pre-Surgery Consultation, Surgery Consultation, Pediatric Pre-Surgery Consultation, Pre-Surgery Consultation, Laparoscopic Surgery Consultation, Gallbladder Removal / Cholecystectomy, Appendicitis / Appendectomy, Eyelid Surgery / Blepharoplasty, Brain Tumor Evaluation, Brain Aneurysm Treatment, Stroke Treatment (Acute), Refractive Lens Exchange, Brain Surgery, Skull Base Surgery, Surgery Follow Up, Neurosurgery Follow Up, Pre-Surgery Follow Up, Surgical Follow Up, Pediatric Pre-Surgery Follow Up, Laparoscopic Surgery Follow Up, Neuro-Oncology Consultation, Surgery Second Opinion, Wrist Arthroscopy, Endoscopic Eyebrow Elevation, Forehead Correction, Hand & Microsurgery Specialist Consultation, Hand & Microsurgery Specialist Follow Up, Head & Neck Surgery, Pelvic Surgery, Ptosis Repair, Central Line Placement, Gender Confirmation Surgery, Cerebral Shunt, Surgical Infections, Tube Thoracotomy, Laparoscopic Colectomy, Amputation, Limb Surgery, Minimally Invasive Surgery, Mastectomy, Upper Extremity Tendon Repair, Toe-to-Thumb Transplant, Upper Extremity Nerve Repair, Upper Extremity Joint Replacement, Upper Extremity Amputation, Reflux Surgery, Spleen Surgery, Implantable Contact Lens (ICL) Surgery, YAG Laser Procedure, Colon Surgery, Distal Pancreatectomy, Splenectomy, Sleeve Gastrectomy, Orthopedic Follow Up (Hand), Orthopedic Consultation (Hand), Cranial Bypass, Esophagogastroduodenoscopy (EGD), Esophageal Surgery, Gastrectomy, Laparoscopy, Lymph Node Biopsy, Pancreatic Surgery, Paraesophageal Surgery, Parathyroid Surgery, Head and Neck Cancer Screening, Whipple Procedure, Hepatic Surgery, Complex Gastrointestinal Surgery, Laparoscopy Consultation, Minimally Invasive Surgery Consultation, Magnetic Sphincter Augmentation (MSA), Abdominal Wall Reconstruction, Gastric Bypass Surgery, Pyloromyotomy, Percutaneous Endoscopic Gastrostomy (PEG) and Small Bowel Resection

    For detailed information, please contact Dr. Allendorf's office.

    Insurances

    Top Insurances

    • Aetna

    • Blue Cross Blue Shield (BCBS)

    • Bravo Health

    • Cigna

    • Medicaid

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    Locations

    Winthrop Geriatric Medicine Associates

    120 Mineola Blvd

    Suite 460

    Mineola, NY 11501

    (516) 663-3300

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    Practice At 161 Fort Washington Ave Suite 832

    161 Fort Washington Ave

    Suite 832

    New York, NY 10032

    (212) 342-2875

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    Practice At 120 Mineola Blvd Suite 320

    120 Mineola Blvd

    Suite 320

    Mineola, NY 11501

    (516) 663-3300

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    Frequently Asked Questions

    Is John Allendorf accepting new patients?

    Yes, John Allendorf is accepting new patients at this time.

    Does John Allendorf offer online booking?

    Please contact Dr. Allendorf's office at (516) 663-3300 for information about online booking, telehealth, or to schedule an appointment.

    Does John Allendorf offer telehealth appointments?

    Please contact Dr. Allendorf's office at (516) 663-3300 for information telehealth appointment availability or for scheduling assistance.

    Which language(s) does John Allendorf speak?

    John Allendorf speaks English.

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