Gastroenterology
Joshua Olstein, MD
New City, NY
Dr. Joshua Olstein, MD, is a board-certified gastroenterologist practicing in New City, NY, with over 20 years of experience specializing in advanced endoscopic procedures. He performs endoscopic ultrasound (EUS) and therapeutic endoscopy, including endoscopic retrograde cholangiopancreatography (ERCP), to diagnose and treat complex gastrointestinal conditions. Dr. Olstein manages a broad spectrum of disorders, including pancreatic disease such as pancreatitis, pancreatic cysts,
22+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (ABIM)
- Internal Medicine (ABIM)
Education & Training
- NYU Grossman School of Medicine — Fellowship, Gastroenterology, 2008 - 2011
- NYU Grossman School of Medicine — Residency, Internal Medicine, 2004 - 2008
- University of Pittsburgh School of Medicine — M.D., 2004
- University of Michigan — B.S., 2000
Peer Recognition
2026
Clinical Focus
Subspecialties
Advanced Endoscopy
Conditions & Treatments
ERCP & Biliary EndoscopyPancreaticobiliary DiseasePancreatic DiseaseAdvanced Endoscopy
Practice Details
Hospital Affiliations
- Good Samaritan Hospital
- Montefiore Nyack Hospital
Languages
English
Experience
22+ years in practice