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Dr. Gregory S Nishimura, MD, FACS
TOP DOCTOR

Dr. Gregory S Nishimura, MD, FACS

Surgeon

30 Years of Experience

Accepting patients
Telehealth

    Overview

    Dr. Nishimura has established himself as a leading laparoscopic and minimally invasive bariatric and general surgeon in Nassau County, Long Island. He was amongst the first surgeons in Nassau County to specialize in LINX, a magnetic implant to prevent gastroesophageal reflux. He has been recognized by Castle Connolly annually since 2015. As an anchor in the community, Dr. Nishimura has a longstanding affiliation with Mount Sinai South Nassau Hospital. He joined the New York Bariatric Group in 2020 and continues to serve Nassau County, where he utilizes his extensive surgical experience to provide expert care to patients in the region.
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    Castle Connolly Top Doctor

    Castle Connolly Top Doctors are doctor-nominated and selected by a physician-led research team.

    Medical Specialties and Areas of Expertise

    Surgeon

    Education & Training

    Nassau Co Med Ctr, General Surgery (Residency)

    Nassau Co Med Center (Residency)

    Nassau University Medical Center Program (Residency)

    Medical Degree - MCP HAHNEMANN UNIV (FORMERLY ALLEGHENY UNIV)

    Board Certifications

    American Board of Surgery

    Medical Conditions Treated

    conditions treated by a Surgeon, like Dr. Gregory Nishimura, may include:

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

    Medical Procedures Performed

    procedures performed by a Surgeon, like Dr. Gregory Nishimura, 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. Nishimura's office.

    Insurances

    Please contact Dr. Nishimura's office to confirm accepted insurance plans.

    Locations

    Dr. Gregory Nishimura also offers virtual visits

    New York Bariatric Group - Nassau

    125 Mineola Ave

    Ste 200

    Roslyn Heights, NY 11577

    (800) 633-8446

    Get Directions | View Website

    New York Bariatric Group- Hewlett

    1200 W Broadway

    Hewlett, NY 11557

    (800) 633-8446

    Get Directions | View Website

    New York Bariatric Group: Merrick

    2209 Merrick Rd

    Suite 101

    Merrick, NY 11566

    (800) 633-8446

    Get Directions | View Website

    Frequently Asked Questions

    Is Dr. Gregory Nishimura accepting new patients?

    Yes, Dr. Gregory Nishimura is accepting new patients at this time.

    Does Dr. Gregory Nishimura offer online booking?

    Please contact Dr. Nishimura's office at (800) 633-8446 for information about online booking, telehealth, or to schedule an appointment.

    Does Dr. Gregory Nishimura offer telehealth appointments?

    Please contact Dr. Nishimura's office at (800) 633-8446 for information telehealth appointment availability or for scheduling assistance.

    Which language(s) does Dr. Gregory Nishimura speak?

    Dr. Gregory Nishimura speaks English.

    Which board certifications does Dr. Gregory Nishimura have?

    Dr. Gregory Nishimura is certified by the American Board of Surgery.

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