Mount Sinai Logo
Mount Sinai Logo
  • 1-800-MD-SINAI
  • MyMountSinai® (MyChart)
  • Pay My Bill
  • 1-800-MD-SINAI
  • Find a Doctor
  • Our Locations
  • Patient Care
  • About Us
  • Search
Refine Search

What type of appointment are you looking for?

In Person Visit
Video Visit
NEW PATIENT
NEW PATIENT
mobile-expand-collapse-button
list-icon
List
map-icon
Map

Displaying 78 Doctors for “Ulcerative Colitis”

doctor-image

4.9 Stars

448Ratings

59Comments

Michael Gerdis, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Yonkers

1086 North Broadway

Yonkers, NY, 10701

phone-icon

914-968-3535

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

5 Stars

2Ratings

Kevin Groudan, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Mount Sinai Doctors-Stuyvesant Town

518 East 20th Street

New York, NY, 10009

phone-icon

646-682-3555

doctor-image

4.7 Stars

196Ratings

16Comments

Kelly E Diaz, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Scarsdale

341 Central Park Ave

Scarsdale, NY, 10583

phone-icon

914-370-5000

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

4.7 Stars

20Ratings

Tracey Martin, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Mount Sinai Doctors- 262 West 53rd Street

262 West 53rd Street

New York, NY, 10019

phone-icon

212-641-4500

doctor-image

5 Stars

119Ratings

33Comments

Thomas A Ullman, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Scarsdale

341 Central Park Ave

Scarsdale, NY, 10583

phone-icon

914-370-5000

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

4.9 Stars

147Ratings

12Comments

Jahnavi R Naik, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Scarsdale

341 Central Park Ave

Scarsdale, NY, 10583

phone-icon

914-370-5000

doctor-image
Video Visit Available

4.6 Stars

328Ratings

David B Chessin, MD

Surgery, Colon and Rectal Surgery / Proctology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Mount Sinai West

425 West 59th street, 7th floor

New York, NY, 10019

phone-icon

212-517-8600

Call for availabilityCall: 212-517-8600
doctor-image

4.6 Stars

133Ratings

Patricia Sylla, MD

Surgery, Colon and Rectal Surgery / Proctology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Surgical Associates

5 East 98th Street, 14th Floor, Suite D

New York, NY, 10029

phone-icon

212-241-3547

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

4.8 Stars

96Ratings

Alexander J Greenstein, MD

Surgery

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Physician Office

5 East 98th Street, 14th Floor

New York, NY, 10029

phone-icon

212-241-8679

doctor-image

4.7 Stars

109Ratings

10Comments

Custon Nyabanga, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Physician Office

10 Union Sq. East, 2nd Floor - Suite 2E

New York, NY, 100023

phone-icon

212-844-6330

Find a Doctor

Refine Search
Specialty
Doctor Gender
Language
Online scheduling
Accepting new patients
Treats children
Mount Sinai Doctors
Affiliated

What type of appointment are you looking for?

In Person Visit
Video Visit
NEW PATIENT
NEW PATIENT
mobile-expand-collapse-button
list-icon
List
map-icon
Map

Displaying 78 Doctors for “Ulcerative Colitis”

doctor-image

4.9 Stars

448Ratings

59Comments

Michael Gerdis, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Yonkers

1086 North Broadway

Yonkers, NY, 10701

phone-icon

914-968-3535

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

5 Stars

2Ratings

Kevin Groudan, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Mount Sinai Doctors-Stuyvesant Town

518 East 20th Street

New York, NY, 10009

phone-icon

646-682-3555

doctor-image

4.7 Stars

196Ratings

16Comments

Kelly E Diaz, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Scarsdale

341 Central Park Ave

Scarsdale, NY, 10583

phone-icon

914-370-5000

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

4.7 Stars

20Ratings

Tracey Martin, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Mount Sinai Doctors- 262 West 53rd Street

262 West 53rd Street

New York, NY, 10019

phone-icon

212-641-4500

doctor-image

5 Stars

119Ratings

33Comments

Thomas A Ullman, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Scarsdale

341 Central Park Ave

Scarsdale, NY, 10583

phone-icon

914-370-5000

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

4.9 Stars

147Ratings

12Comments

Jahnavi R Naik, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Mount Sinai Doctors - Scarsdale

341 Central Park Ave

Scarsdale, NY, 10583

phone-icon

914-370-5000

doctor-image
Video Visit Available

4.6 Stars

328Ratings

David B Chessin, MD

Surgery, Colon and Rectal Surgery / Proctology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Mount Sinai West

425 West 59th street, 7th floor

New York, NY, 10019

phone-icon

212-517-8600

Call for availabilityCall: 212-517-8600
doctor-image

4.6 Stars

133Ratings

Patricia Sylla, MD

Surgery, Colon and Rectal Surgery / Proctology

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Surgical Associates

5 East 98th Street, 14th Floor, Suite D

New York, NY, 10029

phone-icon

212-241-3547

Show All Locations
down-arrow-icon
Show All Locations
down-arrow-icon
doctor-image
Video Visit Available

4.8 Stars

96Ratings

Alexander J Greenstein, MD

Surgery

mount-sinai-doctors-badge
Mount Sinai Doctors
map-icon

Physician Office

5 East 98th Street, 14th Floor

New York, NY, 10029

phone-icon

212-241-8679

doctor-image

4.7 Stars

109Ratings

10Comments

Custon Nyabanga, MD

Gastroenterology

mount-sinai-doctors-badge
Mount Sinai Doctors
Treats Adults
map-icon

Physician Office

10 Union Sq. East, 2nd Floor - Suite 2E

New York, NY, 100023

phone-icon

212-844-6330

  • COVID-19 Staff Resources
  • 1-800-MD-SINAI1-800-MD-SINAI
  • Patient Information
  • Find a Doctor
  • Pay My Bill
  • International Services
  • Mount Sinai Access
  • Patient Representatives Offices
  • Language and Accessibility
  • Health Library
  • Clinical Trials
  • Research & Education
  • Icahn School of Medicine at Mount Sinai
  • Medical Education
  • Graduate Education
  • Research
  • Find Faculty
  • Phillips School of Nursing
  • Stay Connected
  • MyMountSinai® Mobile App
  • MyChart Desktop site
  • Newsroom
  • Mount Sinai Today Blog
  • For Health Professionals
  • Transfer a Patient
  • Mount Sinai Connect
  • Refer a Patient
  • Nursing
  • Hospital Sponsored Programs
  • Medical Staff Services
©2025 Icahn School of Medicine at Mount Sinai
  • Contact Us
  • Careers
  • Terms & Conditions
  • Privacy Policy
  • HIPAA Privacy Practices
  • Compliance
  • Non-Discrimination Notice
  • Patient Responsibilities
  • Insurance Information
  • Vendors