Summary

Dr. Gregory Ackert specializes in gastroenterology and internal medicine, bringing nearly five decades of medical expertise to patient care. He earned his medical degree from New York University School of Medicine and completed his residency at Long Island Jewish Medical Center. Dr. Ackert is fluent in both Spanish and English, allowing him to serve a diverse patient community.

Dr. Ackert practices at Long Island Jewish Medical Center in New Hyde Park, NY, and maintains affiliations with Staten Island University Hospital, Staten Island University Hospital South, Northwell Health Hospital, and Katz Women's Hospital at Long Island Jewish Medical Center. He focuses on treating high cholesterol in children and teens, high blood pressure, and hyperlipidemia. His procedural expertise includes performing colonoscopies, EKGs, and lower gastrointestinal endoscopy procedures. Patients have given him an average rating of 4.3 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • 4.3
  • 48 years of experience
  • speaks Spanish, English
  • Li Jewish Medical Center
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 5 hospital affiliations
  • 1 office location
  • Male

Office Location

Long Island Jewish Medical Center

27005 76th AveNew Hyde Park, NY 11040

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Dr. Gregory Mark Ackert, MDDr. Michael Seth Rosman, MDDr. Michael Dann, MDDr. Donelle Cummings, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
48 Years of Experience 10 Years of Experience 22 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks Spanish, English Speaks English Speaks English, Spanish, Portuguese
New Hyde Park , NYNEW YORK , NYNEW YORK , NYNew York , NY
Med School: New York University School Of Medicine Med School: New York University School Of Medicine Med School: State University of New York Med School: Case Western Reserve University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Gregory Mark Ackert

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

Medical Specialties

Dr. Gregory Mark Ackert has the following 2 specialties

Specialty Expertise

Dr. Gregory Mark Ackert has the following 11 areas of expertise

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

Certifications, License, & Education

48 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Expired

EDUCATION & TRAINING

Residency

Li Jewish Medical Center

Medical School

New York University School Of MedicineGraduated in 1978

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Frequently Asked Questions

Does Dr. Gregory Ackert accept my insurance?
You can see the insurance plans that Dr. Gregory Ackert accepts on their Vitals profile.
What languages does Dr. Gregory Ackert speak?
Dr. Gregory Ackert speaks Spanish and English.
Does Dr. Gregory Ackert accept virtual/telehealth appointments?
Dr. Gregory Ackert has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Gregory Ackert's office located?
Dr. Gregory Ackert's office is located at 27005 76th Ave, New Hyde Park, NY, 11040.
Is Dr. Gregory Ackert accepting new patients?
Dr. Gregory Ackert has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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