Summary

Dr. Gregory Ackert treats high cholesterol in children and teens, hyperlipidemia, and familial lipid disorders, and performs colonoscopy and lower GI endoscopy. He practices gastroenterology and internal medicine and has 48 years of experience. Dr. Ackert is affiliated with Long Island Jewish Medical Center, Staten Island University Hospital, Staten Island University Hospital South, Northwell Health Hospital, and Katz Women's Hospital at Long Island Jewish Medical Center. He trained at New York University School of Medicine and completed his residency at LI Jewish Medical Center. He sees patients in New Hyde Park, New York, and speaks English and Spanish.

Overview based on verified provider data

Quick Facts

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

Patients’ Perspective

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

Office Location

Long Island Jewish Medical Center

27005 76th AveNew Hyde Park, NY 11040

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Dr. Gregory Mark Ackert, MDDr. Ghassan Philip Sayegh, DODr. Daniel Perl, MDDr. Eric Yoon, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
4 
5 
5 
48 Years of Experience 11 Years of Experience 13 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
New Hyde Park , NYYonkers , NYNew York , NYNew York , NY
Med School: New York University School Of Medicine Med School: Osteopathic Medical Degree from New York Institute of Technology College of Osteopathic Medicine. Med School: Icahn School Of Medicine At Mount Sinai Med School: Stony Brook 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

Dr. Gregory Mark Ackert 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 Li Jewish Medical Center.

Medical School

Graduated from New York University School Of Medicine in 1978.

NPI Number

Dr. Ackert's NPI number is 1417991803.

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Frequently Asked Questions

Where is Dr. Gregory Ackert's office located?
Dr. Gregory Ackert's office is located at 27005 76th Ave, New Hyde Park, NY, 11040.
What languages does Dr. Gregory Ackert speak?
Dr. Gregory Ackert speaks English and Spanish.
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.
How can I make an appointment with Dr. Gregory Ackert?
You can find contact information for Dr. Gregory Ackert here on Vitals.
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.

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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