Summary

Dr. Mark Lemert is a gastroenterologist who specializes in diagnosing and treating disorders of the digestive system. He earned his medical degree from George Washington University School of Medicine & Health Sciences and completed his residency at Boston Medical Center. With 29 years of experience in gastroenterology, Dr. Lemert has built extensive expertise in helping patients manage complex digestive health issues. He is fluent in both Spanish and English.

Dr. Lemert practices at several locations throughout New York, NY, including Lenox Hill Hospital, Optum Medical, and NYU Tisch Hospital. His clinical focus includes treating conditions such as colon polyps, hemorrhoids, and GERD (gastroesophageal reflux disease). He regularly performs procedures like colonoscopy and lower GI endoscopy to help diagnose and monitor digestive conditions. Patients have given him an average rating of 4.1 out of 5 stars on Vitals.

Overview based on verified provider data

Quick Facts

  • 4.1
  • 29 years of experience
  • speaks Spanish, English
  • Boston Medical Center
  • 9 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. Mark Stephen Lemert has 2 locations

Nyu Tisch Hospital

550 1st AveNew York, NY 10016

Dr. Mark Stephen Lemert

347 E 37th StNew York, NY 10016

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Dr. Mark Stephen Lemert, MDDr. Reem Z. Sharaiha, MDDr. Karen Queliza, MDDr. Alexa M Choy, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
3.5 
29 Years of Experience 23 Years of Experience 14 Years of Experience 7 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English Speaks English
New York , NYNew York , NYNew York , NYNew York , NY
Med School: George Washington University School Of Medicine & Health Sciences Med School: St Georges University Of London Med School: Albany Medical College Med School: Warren Alpert Medical School Of Brown University
Current Profile
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Insurance Plans Accepted by Dr. Mark Stephen Lemert

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

Medical Specialties

Dr. Mark Stephen Lemert has the following specialty

Specialty Expertise

Dr. Mark Stephen Lemert has the following 13 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Endoscopic Ultrasound (Fetoscopy)
  • Hemorrhoids
  • Hepatitis
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

29 Years Experience

Dr. Mark Stephen Lemert holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2027.

Education & Training

Residency

Completed their residency at Boston Medical Center.

Medical School

Graduated from George Washington University School Of Medicine & Health Sciences in 1997.

NPI Number

Dr. Lemert's NPI number is 1306810478.

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Frequently Asked Questions

Which hospitals is Dr. Mark Lemert affiliated with?
Dr. Mark Lemert is affiliated with Nyu Tisch Hospital and Nyu Langone Hospital Kimmel Pavilion.
How can I make an appointment with Dr. Mark Lemert?
You can find contact information for Dr. Mark Lemert here on Vitals.
Does Dr. Mark Lemert accept virtual/telehealth appointments?
Dr. Mark Lemert has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Lemert accept my insurance?
You can see the insurance plans that Dr. Mark Lemert accepts on their Vitals profile.
Is Dr. Mark Lemert accepting new patients?
Dr. Mark Lemert has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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