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Dr. James Grendell, MD

Gastroenterology*
3.1 (15)
Map Pin Small Mineola, NY
Call for new patient details
49 years of experience

Overview of Dr. James Grendell, MD

Dr. James Grendell, MD is a Gastroenterology Specialist in Mineola, NY. They specialize in Gastroenterology, has 49 years of experience, and is board certified in Gastroenterology. They graduated from Ohio State University College of Medicine and is affiliated with NYU Langone Hospital - Manhattan. Patients rated Dr. Grendell an average 3.1 star rating.

Dr. Grendell works at Practice in Mineola, NY. They frequently treat conditions like Unexplained Weight Loss and Dysphagia along with other conditions at varying frequencies. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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These providers are on the medical staff of Optum Medical Care, P.C.
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Compare Dr. Grendell with our nearby Gastroenterology Specialists at Optum Medical Care, P.C.
These providers are on the medical staff of Optum Medical Care, P.C..

Dr. Grendell's Office Locations

  1. 1
    Winthrop Gastroenterology
    222 Station Plz N Ste 428, Mineola, NY 11501 Icon Directions Right Arrow Directions Phone Icon (516) 663-2066

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • NYU Langone Hospital - Manhattan

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Unexplained Weight Loss
Dysphagia
Constipation

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Unexplained Weight Loss
Dysphagia
Constipation
Abdominal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Bile Duct Obstruction
Biliary Atresia
Chronic Gastritis
Cirrhosis
Colorectal Polyp
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Duodenal Cancer
Duodenal Ulcer
Duodenitis
Enteritis
Esophageal Motility Disorders
Esophagitis
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastroparesis
Gastroptosis
Hemorrhoids
Hepatitis C
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Diverticulosis
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Malnutrition
Nausea
  • View other providers who treat Nausea
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Reflux Esophagitis
Retroperitoneum Cancer
Upper Digestive Tract Cancer
Vitamin_Deficiency
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Flexible Sigmoidoscopy
Manometry
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Rigid Proctosigmoidoscopy
Acute Gastritis
Alcoholic Cirrhosis
Alcoholic Fatty Liver
Anal or Rectal Pain
Ascites
  • View other providers who treat Ascites
Benign Neoplasm of the Digestive System
Boerhaave's Syndrome
Bowel Strangulation
Celiac Disease
Congenital Achalasia
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Cyclical Vomiting
Cyclical Vomiting Syndrome
Diffuse Esophageal Spasm
Dysentery
Eosinophilic Esophagitis
Eosinophilic Gastritis
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
  • View other providers who treat Ileus
Indigestion
Intestinal Diverticulitis
Ischemic Colitis
Lactose Intolerance
Limb Swelling Caused by Fluid Overload
Liver Cancer
Liver Damage
Liver Damage from Alcohol
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
Rectal Ulcer
Sclerosing Mesenteritis
Splenomegaly
Stomach Stenosis
Stomal Ulcer
Ulcerative Colitis
Viral Enteritis
Viral Hepatitis
Anoscopy
  • View other providers who treat Anoscopy
Bile Duct Procedure
Capsule Endoscopy
Colon Cancer Screening
Colonoscopy
Colonoscopy With Polypectomy
Colorectal Cancer Screening
Endoscopic Common Bile Duct Stone Removal
Endoscopic Polypectomy
Endoscopy
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
VAP Lipid Testing
Wireless pH Testing
Check your insurance
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    View All Accepted Carriers

    • Aetna
    • Amerihealth
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Arizona Health Care Cost Containment System (AHCCCS)
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    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    3.1
    Average provider rating
    Based on 15 ratings
    Patient Ratings (15)
    5 Star
    (8)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (7)
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    Dr. Grendell's Office & Staff

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    About Dr. James Grendell, MD

    Specialties*
    • Gastroenterology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 49 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1457320426
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • University of California San Francisco
    Fellowship
    Internship
    • Beth Israel Deaconess Medical Center
    Internship
    Medical Education
    • Ohio State University College of Medicine
    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.

    Frequently Asked Questions

    Dr. Grendell has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Grendell has seen patients for Unexplained Weight Loss and Dysphagia, and more. You can see other conditions treated by Dr. Grendell on their profile. Please call the provider’s office to confirm all visit reasons.

    15 patients have reviewed Dr. Grendell. The overall rating for this provider is 3.1. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Grendell.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Grendell, there are benefits to both methods. A person calling to schedule an with Dr. Grendell appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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