Mass General Brigham's hospital campuses and off-site facilities are fully open and operational on Tuesday, Feb. 24, with the exception of some limited closures. For real-time updates and service changes, please check our Alerts page.

Our Crohn's and Colitis Team

Gastroenterologists

Jessica R. Allegretti, MD, MPH

Jessica R. Allegretti, MD, MPH

Director, Crohn's and Colitis Center

See Entire Profile See Dr. Allegretti's Profile
Rahul S. Dalal, MD, MPH

Rahul S. Dalal, MD, MPH

Gastroenterologist

See Entire Profile See Dr. Dalal's Profile
Disentuwahandi Punyanganie De Silva, MD, MPH, MBBS

Disentuwahandi Punyanganie De Silva, MD, MPH, MBBS

Gastroenterologist

See Entire Profile See Dr. De Silva's Profile
Matthew J. Hamilton, MD

Matthew J. Hamilton, MD

Gastroenterologist

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Colleen R. Kelly, MD

Colleen R. Kelly, MD

Gastroenterologist

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Joshua R. Korzenik, MD

Joshua R. Korzenik, MD

Gastroenterologist

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Vanessa Mitsialis, MD

Vanessa Mitsialis, MD

Gastroenterologist

See Entire Profile See Dr. Mitsialis' Profile

Amit Ringel, MD

Gastroenterologist

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Scott B. Snapper, MD, PhD

Scott B. Snapper, MD, PhD

Gastroenterologist

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Rachel W. Winter, MD, MPH

Gastroenterologist

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Surgeons

Ronald Bleday, MD

Ronald Bleday, MD

Gastrointestinal and General Surgery

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Joel E Goldberg, MD

Joel E Goldberg, MD

Gastrointestinal and General Surgery

See Entire Profile See Dr. Goldberg's Profile
Jennifer L. Irani, MD

Jennifer L. Irani, MD

Gastrointestinal and General Surgery

See Entire Profile See Dr. Irani's Profile
Nelya Melnitchouk, MD

Nelya Melnitchouk, MD

Gastrointestinal and General Surgery

See Entire Profile See Dr. Melnitchouk's Profile
James Yoo, MD

James Yoo, MD

Gastrointestinal and General Surgery

See Entire Profile See Dr. Yoo's Profile

Advanced Practice Providers

Sarah Prizand, PA-C

Physician Assistant

See Entire Profile See Sarah Prizand's Profile

Samira Sheth, CNP

Nurse Practitioner

See Entire Profile See Samira Sheth's Profile

IBD Nurses

  • Jeanette A. Cote MSN, RN
  • Beth Crosby, BSN, RN
  • Casey Polk, BSN, RN

Nutrition

  • Caitlin Hosmer Kirby, MS, RD

Pharmacy

  • Eleftherios (Teddy) Xenidis, PharmD

Crohn’s and Colitis Center

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