Summary

Dr. Gary Bernstein is a gastroenterologist and internal medicine physician who graduated from the University of Miami Leonard M Miller School of Medicine and completed his residency at University Hospital SUNY Stony Brook. With 45 years of experience in medicine, he has built extensive expertise in digestive health and comprehensive internal medicine care. Dr. Bernstein is fluent in both English and Spanish.

Dr. Bernstein practices at Saint Charles Hospital and maintains locations throughout Long Island, including Wading River and Port Jefferson, New York. He specializes in treating colon polyps, hemorrhoids, and diverticular disease. His procedural expertise includes performing colonoscopies, lower GI endoscopies, and upper GI endoscopies to diagnose and treat digestive conditions. Patients have given him an average rating of 4.2 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 45 years of experience
  • speaks English, Spanish
  • University Hospital Suny Stony Brook
  • 7 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Gary Richard Bernstein has 5 locations

Northwell Health

271 New York 25A Suite 1Wading River, NY 11792
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Mather Hospital

75 N Country RdPort Jefferson, NY 11777

Advanced Surgery Center Of Long Island

1500 Route 112Port Jefferson Station, NY 11776
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

Long Island Digestive Disease Consultants Gastroenterology at Wading River

271 Route 25A Ste 1Wading River, NY 11792
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Gary Richard Bernstein, MDTheresa Obonyano, APRNDr. Weidan Zhao, MDLynn Collette-Zachar, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
45 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Wading River , NYSACRAMENTO , CANEW YORK , NYTallahassee , FL
Med School: University Of Miami Leonard M Miller School Of Medicine Med School: The University of Texas Health Science Center at Houston Med School: University of Toledo Med School: Regis College
Current Profile
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Insurance Plans Accepted by Dr. Gary Richard Bernstein

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Gary Richard Bernstein has the following 2 specialties

Specialty Expertise

Dr. Gary Richard Bernstein has the following 12 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

45 Years Experience

Dr. Gary Richard Bernstein holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at University Hospital Suny Stony Brook.

Medical School

Graduated from University Of Miami Leonard M Miller School Of Medicine in 1981.

NPI Number

Dr. Bernstein's NPI number is 1407813579.

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Frequently Asked Questions

Where is Dr. Gary Bernstein's office located?
Dr. Gary Bernstein's office is located at 271 New York 25A Suite 1, Wading River, NY, 11792.
Which hospitals is Dr. Gary Bernstein affiliated with?
Dr. Gary Bernstein is affiliated with Mather Hospital.
Does Dr. Gary Bernstein accept my insurance?
You can see the insurance plans that Dr. Gary Bernstein accepts on their Vitals profile.
Does Dr. Gary Bernstein accept virtual/telehealth appointments?
Dr. Gary Bernstein has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Gary Bernstein accepting new patients?
Dr. Gary Bernstein is accepting new patients on Vitals. View Dr. Gary Bernstein's profile on Vitals to make an appointment.

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