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  • Gastroenterology, Internal Medicine
  • 50 years of experience
  • Nyu Langone Hospital Long Island 259 1st St, Mineola, NY 11501

Brief Intro

Dr. Grendell graduated from the Ohio State University College of Medicine & Public Health,Ohio State University College of Medicine & Public Health in 1975. He works in Mineola, NY and 2 other locations and specializes in Gastroenterology and Internal Medicine. Dr. Grendell is affiliated with Nyu Langone Hospital Long Island.

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Education Background

RESIDENCY

Lancaster General Hospital

MEDICAL SCHOOL

Ohio State University College Of Medicine & Public Health - 1975

Ohio State University College Of Medicine & Public Health - 1975

Languages Spoken

  • English
  • Spanish

Location & Hours

  • Winthrop Radiology Associates
  • 259 1st St, Mineola, NY 11501

Specialties Treated

  • Gastroenterology
  • Internal Medicine

Conditions Addressed

  • Infectious Liver Disease
  • Inflammatory Bowel Disease (IBD)
  • Hemorrhoids
  • Diverticulitis
  • Anal Fissure
  • Intestinal Obstruction
  • Esophagitis
  • Malignant Neoplasm of Colon
  • Pancreatic Cancer
  • Constipation
  • Cirrhosis
  • Peptic Ulcer Disease
  • Chronic Pancreatitis
  • Acute Pancreatitis
  • Benign Polyps of the Colon
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Hemorrhage
  • Irritable Bowel Syndrome (IBS)
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Procedures Performed

  • Colonoscopy
  • Esophageal Dilatation
  • Esophageal Dilatation
  • Sigmoidoscopy
  • Proctosigmoidoscopy
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Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • AARP
  • Aetna
  • Anthem Blue Cross
  • UnitedHealthcare
  • Medicaid
  • Health Choice Arizona
  • MagnaCare
  • Fidelis Care (NY)
  • Blue Cross Blue Shield
  • Humana
  • Wellcare
  • Medicare
  • HealthFirst (NY)
  • EmblemHealth
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  • Cancer 43
  • Cardiology, Heart & Vascular Surgery 31
  • Orthopedics 75
  • Neurology & Neurosurgery 60
  • Gastroenterology & GI Surgery 75
  • Pulmonology & Lung Surgery 91
  • Diabetes & Endocrinology 44
  • Children's Hospital 22
  • Urology 87
  • Psychiatry 103
  • Geriatrics 82
  • Rehabilitation 38
  • Obsterics & Gynecology 17
  • Ophthalmology 4
  • Ear, Nose & Throat 11
  • Rheumatology 2
  • Long Term Care 3
  • Maternity Care (Uncomplicated Pregnancy) 60