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Dr. James Grendell, MD
Gastroenterology* Age 77
Dr. James Grendell, MD
Dr. James Grendell, MD is a Gastroenterologist in Mineola, NY.
Dr. James Grendell, MD

Dr. James Grendell, MD

Gastroenterology* Age 77
Mineola, NY
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51 years of experience
Dr. James Grendell, MD is a Gastroenterologist in Mineola, NY.
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About Dr. James Grendell, MD

Dr. Grendell graduated from Ohio State University College of Medicine. Dr. James Grendell, MD is a Gastroenterologist in Mineola, NY and has 51 years experience. Dr. Grendell currently practices at Winthrop Pathology Services PC and is affiliated with NYU Langone Hospital-Long Island, NYU Langone Hospitals, Mercy Medical Center, North Shore University Hospital, Long Island Jewish Medical Center and St Joseph Hospital. Dr. Grendell has experience treating conditions like Constipation among other conditions at varying frequencies. Dr. Grendell's office is not accepting new patients. Dr. Grendell is board certified in Gastroenterology and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Constipation
Dysphagia
Unexplained Weight Loss
Constipation
Dysphagia
Unexplained Weight Loss
Manometry
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Hepatitis C
Nausea
  • View other providers who treat Nausea
Hypokalemia
Gastroesophageal Reflux Disease (GERD)
Anemia
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Malnutrition
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Dehydration
Gastrointestinal Bleeding
Gastritis
Crohn's Disease
Biliary Atresia
Vomiting Disorders
Hemorrhoids
Diaphragmatic and Hiatal Hernia
Inflammatory Bowel Disease
Chronic Gastritis
Esophageal Motility Disorders
Endoscopy
Intestinal Diverticulosis
Irritable Bowel Syndrome
Gastroptosis
Bile Duct Obstruction
Reflux Esophagitis
Duodenal Polypectomy
Esophagitis
Gas-Bloat Syndrome
Duodenitis
Pancreatitis
Intestinal Obstruction
Gastroparesis
Abdominal Pain
Diarrhea
  • View other providers who treat Diarrhea
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Intestinal Ulcer
Colorectal Polyp
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Noninfectious Gastroenteritis and Colitis
Barrett's Esophagus
Colonoscopy
Gastric Ulcer
Acute Gastritis
Alcoholic Cirrhosis
Alcoholic Fatty Liver
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Autoimmune Hepatitis
Benign Neoplasm of the Digestive System
Bird Breeders Lung
Boerhaave's Syndrome
Bowel Strangulation
Celiac Disease
Cirrhosis
Colon Cancer
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Cyclical Vomiting
Cyclical Vomiting Syndrome
Diffuse Esophageal Spasm
Duodenal Cancer
Duodenal Ulcer
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Dilation
Esophageal Diverticulum
Esophageal Ulcer
Esophageal Varices
Familial Adenomatous Polyposis
Food Allergy
Gallstones
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Heartburn
Hemochromatosis
Hepatitis
Hepatitis A
Hepatitis B
Hepatitis B - Immune Response
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
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Indigestion
Intestinal Diverticulitis
Intestinal Malabsorption Carbohydrate
Ischemic Colitis
Lactose Intolerance
Limb Swelling Caused by Fluid Overload
Liver Cancer
Liver Damage
Liver Damage from Alcohol
Long COVID Disorder
Mallory-Weiss Syndrome
Mesenteric Panniculitis
Neoplasm of Gastrointestinal Tract
Non-Neonatal Jaundice
Pelvic Abscess
Peptic Ulcer
Pouchitis
Primary Biliary Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Retroperitoneum Cancer
Sclerosing Mesenteritis
Spleen Cyst
Splenomegaly
Stomach Stenosis
Ulcerative Colitis
Upper Digestive Tract Cancer
Viral Enteritis
Viral Hepatitis
Vitamin_Deficiency
Anoscopy
  • View other providers who treat Anoscopy
Bile Duct Procedure
Capsule Endoscopy
Colon Cancer Screening
Colonoscopy With Polypectomy
Colorectal Cancer Screening
Endoscopic Common Bile Duct Stone Removal
Endoscopic Polypectomy
ERCP (Endoscopic Retrograde Cholangiopancreatography)
ERCP With Spincterotomy
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
Percutaneous Edoscopic Gastrostomy (PEG)
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Sigmoidoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Blue Cross Blue Shield of Georgia POS
  • Blue Cross Blue Shield of Alabama HMO
  • Blue Cross Blue Shield of North Carolina POS
  • Blue Select
  • Empire Blue Cross Blue Shield PPO
  • Blue Cross Blue Shield of Louisiana PPO
  • Blue Cross Blue Shield of New Jersey HMO
  • Medicaid of Illinois
  • United Healthcare
  • Blue Cross Blue Shield of Utah PPO
  • Curative PPO
    Curative EPO
    Curative PPO Plus
  • Medicaid of New Jersey
  • HealthyBlue Advantage
  • Blue Cross Blue Shield of Michigan POS
  • National (BlueCard) PPO
  • Blue Cross Blue Shield of South Carolina PPO
  • Blue Cross Blue Shield of Kansas POS
  • Blue Cross Blue Shield of Illinois POS
  • First Health (Coventry Health Care) PPO
  • Blue Cross Blue Shield of Wisconsin HMO
  • Medicaid of Arizona
  • Blue Cross Blue Shield of Pennsylvania HMO
  • Humana
  • Medicaid of Pennsylvania
  • Medicaid
  • Highmark Blue Cross Blue Shield
  • HealthKeepers Plus HMO
  • Cigna
  • Blue Cross Blue Shield of Oregon HMO
  • Blue Cross Blue Shield of Minnesota PPO
  • Personal Choice PPO
  • Medicaid of Missouri
  • Medicaid of California PPO
  • Medicaid of Oklahoma
  • Oxford Health Plans
  • Blue Cross Blue Shield of Delaware
  • Blue Cross Blue Shield of Oklahoma PPO
  • Blue Cross Blue Shield of Nebraska PPO
  • Medicaid of Kentucky
  • Blue Cross Blue Shield of Rhode Island POS
  • MVP Health Care
  • Blue Traditional POS
  • Blue Cross Blue Shield of Arizona HMO
  • Blue Cross Blue Shield of Massachusetts PPO
  • MultiPlan PPO
  • GHI PPO
  • Medicaid of Arkansas
  • Blue Cross Blue Shield of California PPO
  • Blue Cross Blue Shield of Texas
  • Aetna

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Meet Dr. James Grendell, MD

Specialties*
Nutrition
Hepatology
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
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FAQs About Dr. Grendell's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. James Grendell, MD. To arrange an appointment, call the number on Dr. Grendell's profile.

Dr. James Grendell, MD is affiliated with NYU Langone Hospital-Long Island, NYU Langone Hospitals, Mercy Medical Center, North Shore University Hospital, Long Island Jewish Medical Center and St Joseph Hospital.

Yes, Dr. James Grendell, MD holds board certification in Gastroenterology and Internal Medicine.

Training & Medical Education
Medical Education
  • Ohio State University College of Medicine
    1975
Medical Education
Board Certifications
  • Gastroenterology and Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • Beth Israel Deaconess Medical Center
    1976
Internship
Fellowship Hospital
  • University of California San Francisco
    1978
Fellowship Hospital

Hospitals Where Dr. James Grendell, MD Practices

  • NYU Langone Hospital-Long Island

    259 1st St, Mineola, NY

  • NYU Langone Hospitals

    550 1st Ave, New York, NY

  • Mercy Medical Center

    1000 N Village Ave, Rockville Centre, NY

  • North Shore University Hospital

    300 Community Dr, Manhasset, NY

  • Long Island Jewish Medical Center

    270 76th Ave, New Hyde Park, NY

  • St Joseph Hospital

    4295 Hempstead Tpke, Bethpage, NY

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