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Mark Cwern

Gastroenterology

Mark Cwern, MD

Nyc, NY

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

  • ACSFellow (FACS)

    2026

Clinical Focus

Subspecialties

GI Oncology

Conditions & Treatments

Pancreatic CancerColonoscopyGastric CancerGI OncologyLiver CancerColorectal Cancer

Insurance(s) Accepted

AetnaMotivHealth Insurance CompanyUnivera HealthcareWebTPA

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?
Mark Cwern's public profile lists Aetna, MotivHealth Insurance Company, and Univera Healthcare plus 1 more health plan as accepted plans. Plan participation can change — confirm directly with the practice before your visit.
Where does Dr. Cwern practice?
Mark Cwern practices in Nyc, NY with hospital affiliations including Mount Sinai Hospital.
What does Dr. Cwern specialize in?
Mark Cwern is a board-certified gastroenterology specialist with focus areas in GI Oncology.
What is Dr. Cwern's medical training?
Public profile training history includes: Medical School: University of Bern (MD, Unknown); Medical School: University of Alaska (Medical School, Unknown).

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