Honor #01
Super Doctors 2025
Recognized
- Dr. Hosseini — Rising Stars
- Dr. Brettholz — Legacy Member, Hall of Fame
- Dr. Cohen — Hall of Fame
- Dr. Weber — Hall of Fame
Now welcoming new patients · Midtown & Broadway
Digestive health, reimagined.
Welcome to Vanguard Gastroenterology, your premier destination for comprehensive digestive health care. Personalized GI consultations, advanced procedures, in-office infusion, weight management, IV therapy and more — delivered by New York's most-recognized gastroenterologists.
Proud Member
Northwell Health Physician Partners
Patient outcomes
98% satisfaction
Recognized
Castle Connolly Top Doctors · Super Doctors Hall of Fame
- 7
- Board-certified physicians
- 2
- NYC locations
- 19+
- Conditions treated
- 14+
- Advanced procedures
Recognized in
Super Doctors 2025
New York Times Super Doctors 2022
New York Magazine Best Doctors 2020
Castle Connolly Top Doctors
America's Top Doctors
Exceptional Women in Medicine
Top Doctors — New York Metro Area
Super Doctors 2025
New York Times Super Doctors 2022
New York Magazine Best Doctors 2020
Castle Connolly Top Doctors
America's Top Doctors
Exceptional Women in Medicine
Top Doctors — New York Metro Area
What we do
A full digestive-health practice,
under one roof.
DiagnosticProcedures
Colonoscopy, upper endoscopy, capsule endoscopy, ERCP, EUS, sigmoidoscopy and screening colonoscopies — performed by board-certified gastroenterologists.
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TherapeuticIn-Office Infusion
Comfortable, supervised infusion therapy delivered in-office, alongside personalized care plans for chronic GI conditions.
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LifestyleIntegrative Weight Management
A medically supervised, integrative approach to weight management built around your physiology, lifestyle, and goals.
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Conditions we treat
From everyday discomfort to complex GI disease.
Our physicians
Experienced experts in digestive health.
Dedicated to providing personalized care and accurate diagnoses, our skilled team stays up-to-date with the latest advancements in gastroenterology. We prioritize your well-being and build strong doctor–patient relationships based on trust and open communication.
1 / 8
Vanguard GI
Recognizing excellence.
Our physicians are repeatedly recognized among the country's leading gastroenterologists — celebrated by their peers and the publications that audit medical excellence in New York and nationwide.
10 honors · 7 physicians
- Honor #02
New York Times Super Doctors 2022
Recognized
- Edward Brettholz, MD — Hall of Fame
- Dr. Jonathan Cohen
- Dr. Scott Weber
- Honor #03
New York Magazine Best Doctors 2020
Recognized
- Inessa Khaykis, MD
- James Salik, MD
- Alex Sherman, MD
- Honor #04
NYU Langone Health Covid-19 Volunteer
Recognized
- Dr. Jonathan Cohen
- Inessa Khaykis, MD
- Alex Sherman, MD
- Dr. Scott Weber
- Honor #05
NYU Grossman School of Medicine — Promotion to Clinical Professor of Medicine
Recognized
- Alex Sherman, MD
- Honor #06
Castle Connolly Top Doctors
Recognized
- Inessa Khaykis, MD
- James Salik, MD
- Edward Brettholz, MD — Hall of Fame
- Alex Sherman, MD
- Dr. Jonathan Cohen, MD
- Honor #07
Vanguard to Your Door — Complimentary Covid-19 testing of NYC Firefighters
Recognized
- Dr. Jonathan Cohen
- Inessa Khaykis, MD
- Honor #08
Exceptional Women in Medicine · New York Magazine Top Doctors · Top Doctors New York Metro Area
Recognized
- Inessa Khaykis, MD
- Honor #09
James M. Salik, MD — New York Magazine Top Doctors · Top Doctors New York Metro Area
Recognized
- James Salik, MD
- Honor #10
Jonathan Cohen, MD — New York Magazine Top Doctors · Top Doctors New York Metro Area
Recognized
- Dr. Jonathan Cohen
Visit us
Two NYC offices. One standard of care.
Trust Vanguard Gastroenterology to help you achieve optimal digestive health. Schedule your appointment today and experience our outstanding services.
Mon – Fri: 8am – 5pm · Fax (212) 481-1089
Office
Midtown
Office
Broadway
The Woolworth Building