Summary

Dr. James Grendell has practiced gastroenterology and internal medicine for 51 years and is affiliated with NYU Langone Hospital Long Island. He treats Crohn's disease and gastroparesis and performs home infusion therapy. He speaks English and Spanish.

Dr. Grendell earned his medical degree from Ohio State University College of Medicine & Public Health and completed his residency at Lancaster General Hospital. He sees patients in Mineola, New York. Patients on Vitals rate Dr. Grendell 3.92 out of 5.

Overview based on verified provider data

Quick Facts

  • 3.9
  • 51 years of experience
  • 12 insurance plans accepted
  • speaks English, Spanish
  • Lancaster General Hospital
  • 3 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. James Henry Grendell has 3 locations

Nyu Winthrop Gastroenterology

222 Station Plz N Ste 428Mineola, NY 11501
Mon9:00 am - 4:00 pm
Tue9:00 am - 4:00 pm
Wed9:00 am - 4:00 pm
Thu9:00 am - 4:00 pm
Fri9:00 am - 4:00 pm
SatClosed
SunClosed

Winthrop Internal Medicine Associates

222 Station Plz N Ste 310Mineola, NY 11501
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. James Henry Grendell, MDDr. Hon-Ming Eng, MDDr. Michael Dann, MDDr. Weidan Zhao, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
4.5 
5 
5 
51 Years of Experience 22 Years of Experience 9 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Cantonese, Chinese, Mandarin, Chinese (Cantonese), Chinese (Mandarin) Speaks English Speaks English
Mineola , NYNew York , NYNew York , NYNew York , NY
Med School: Ohio State University College Of Medicine & Public Health Med School: State University of New York Med School: University of Texas Southwestern Medical School
Current Profile
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Insurance Plans Accepted by Dr. James Henry Grendell

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • Fidelis Care (NY)
  • HealthFirst (NY)
  • HealthFirst (NY) - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • UnitedHealthcare

Medical Specialties

Dr. James Henry Grendell has the following 2 specialties

Specialty Expertise

Dr. James Henry Grendell has the following 12 areas of expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Endoscopy (Endoscopic Surgery)
  • Esophageal and Gastric Varices
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Liver Diseases
  • Nutrition Disorders
  • Pancreatic Cancer
  • Pancreatic Diseases
  • Ulcerative Colitis

Certifications, License, & Education

51 Years Experience

Education & Training

Residency

Completed their residency at Lancaster General Hospital.

Medical School

Graduated from Ohio State University College Of Medicine & Public Health in 1975.

NPI Number

Dr. Grendell's NPI number is 1457320426.

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Frequently Asked Questions

Which hospitals is Dr. James Grendell affiliated with?
Dr. James Grendell is affiliated with Nyu Langone Hospital Long Island.
Does Dr. James Grendell accept my insurance?
You can see the insurance plans that Dr. James Grendell accepts on their Vitals profile.
Is Dr. James Grendell accepting new patients?
Dr. James Grendell has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr. James Grendell speak?
Dr. James Grendell speaks English and Spanish.
How can I make an appointment with Dr. James Grendell?
You can find contact information for Dr. James Grendell here on Vitals.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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