Gastroenterology and Hepatology at David H. Koch Center
1283 York Avenue
9th Floor
New York, NY 10065
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Locations and Appointments
Insurances Accepted
Please contact the doctor's office to verify that your insurance is accepted.
AETNA
Aetna - NYP
Amida Care
Anthem Blue Cross Blue Shield
Anthem Blue Cross/Blue Shield
Anthem Blue Cross/Blue Shield Healthplus
CIGNA
EmblemHealth
Fidelis Care
GHI
Health Insurance Plan of NY (HIP)
Healthfirst
Healthspring
Local 1199
Molina Healthcare
Oxford Health Plans
Quality Health Management (QHM)
Rockefeller University/Luminare
United Healthcare
UnitedHealthcare
VNS Health
VNSNY CHOICE
WellCare
WorldWide Medical
About Mark Hanscom, MD
Board Certifications
- Gastroenterology
- Internal Medicine
Expertise
- Advanced Endoscopy
- Bariatric Endoscopy
- Barrett's Esophagus
- Bile Duct Cancer
- Biliary Stricture/Stones
- Celiac Plexus Block
- Cholangitis
- Colon Polypectomy
- Colonoscopy
- Double Balloon Enteroscopy
- Endoscopic Mucosal Resection
- Endoscopic Retrograde Cholangiopancreatogram (ERCP)
- Endoscopic Submucosal Dissection (ESD) of Gastrointestinal Tract
- Endoscopic Suturing
- Endoscopic Ultrasound (EUS)
- Endoscopic Ultrasound (EUS), Esophagus, Pancreas and Stomach
- Endoscopy
- Esophageal Cancer
- Esophageal Stenosis
- Esophageal Stricture
- Family History of Pancreatic Cancer
- Feeding Tubes
- Gastric Outlet Obstruction
- Gastrointestinal Cancer
- Genetic Screening
- GERD (Gastroesophageal Reflux Disease)
- Hiatal Hernia
- Interventional Endoscopy
- Pancreatic Cancer
- Pancreatic Cyst
- Pancreatic Disease
- Pancreatitis
- Paraesophageal Hernia
- PEG Feeding Tube
- PEG-J Feeding Tube
- Peroral Endoscopic Myotomy (POEM) of Esophagus
- Radiofrequency Ablation
- Single Balloon Enteroscopy (SBE)
- Stomach Cancer
- Transoral Incisionless Fundoplication (TIF)
- Zenker's Diverticulum
Education
- Degrees: Georgetown University
- Degrees: Northwestern University Medical School
Titles & Positions
- Assistant Attending Physician
- Assistant Professor of Medicine
Hospital Affiliations
- NewYork-Presbyterian / Weill Cornell Medical Center
Education
- Degrees: Northwestern University Medical School
- Degrees: Georgetown University
Titles & Positions
- Assistant Attending Physician
- Assistant Professor of Medicine
Board Certifications
- gastroenterology
- internal medicine
Research
American Society for Gastrointestinal Endoscopy Technology Status Evaluation Report: endoscopic submucosal dissection (with videos).
June 17, 2026American Society for Gastrointestinal Endoscopy Technology Status Evaluation Report: tools for benign pancreaticobiliary dilation.
May 19, 2026Use of impedance planimetry (325 catheter with 8-cm balloon) improves per-oral endoscopic myotomy outcomes in achalasia patients: a systematic review and a meta-analysis.
May 12, 2026