

Gastroenterology
Mark Cwern, MD
Dr. Mark Cwern, MD, is a gastroenterologist practicing in New York, NY, with over 50 years of experience in diagnosing and treating disorders of the digestive system. His subspecialty focus includes common gastrointestinal conditions such as diverticular disease, hiatal hernia, and congenital diaphragmatic hernia, areas where he receives high ratings based on available data. He serves a general adult patient population, managing both routine and complex cases related to the esophagus
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Credentials
Board Certifications
- Gastroenterology (ABIM)
Education & Training
- Medical School: University of Bern (MD, Unknown)
- Medical School: University of Alaska (Medical School, Unknown)
Peer Recognition
- ACS — Fellow (FACS)
2026
Clinical Focus
Subspecialties
Conditions & Treatments
Insurance(s) Accepted
Please verify your coverage with the provider — plan participation can change.
Practice Details
Hospital Affiliations
- Mount Sinai Hospital
Languages
English
Conditions Dr. Cwern treats
Insurance accepted
Frequently asked
Does Dr. Cwern accept Aetna insurance?
Where does Dr. Cwern practice?
What does Dr. Cwern specialize in?
What is Dr. Cwern's medical training?
Specialists similar to Dr. Cwern
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Sources
- https://www.healthgrades.com/physician/dr-mark-cwern-2nb3k
- https://www.everydayhealth.care/providers/874412/dr-mark-cwern-md/
- https://www.doximity.com/pub/mark-cwern-md
- https://doctor.webmd.com/doctor/mark-cwern-c6f6a948-5d46-4248-8a27-f29d6e2fa215-overview
- https://www.vitals.com/doctors/Dr_Mark_Cwern.html
- https://www.medifind.com/doctors/mark-cwern/7453857
- https://profiles.mountsinai.org/mark-cwern










