Reezwana Chowdhury, M.D.

Headshot of Reezwana Chowdhury
  • Assistant Professor of Medicine

Languages: English, Bengali


Anemias, Blood in Stool (Hematochezia), Clostridium Difficile, Colitis, Colon Cancer, Colon Polyps, Colonoscopy, Colorectal Cancer Screening, Crohn's Disease, Family History of Cancer, Fecal Incontinence, Fecal Microbiota Transplantation, Gastroenterology, Gastrointestinal Bleeding, GI Dysplasia, Ileitis, Inflammatory Bowel Disease (IBD), Iron Deficiency, Microscopic Colitis, Ulcerative Colitis more

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Main Phone

Outside of Maryland & Washington D.C.

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Johns Hopkins Gastroenterology and Hepatology - Howard County

Appointment Phone: 410-933-7495
5450 Knoll North Drive
Suite 390
Columbia, MD 21045 map

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-933-7495
2360 W. Joppa Road
Joppa Concourse
Lutherville, MD 21093 map
Phone: 410-933-7495 | Fax: 410-616-7351


Specializing in Crohn’s disease, ulcerative colitis, colorectal cancer screening and esophageal disease, Dr. Chowdhury joins Johns Hopkins from Upper Chesapeake Medical Center in Maryland.

She has research interests in inflammatory bowel disease, Barrett’s esophagus and colorectal cancer. more


  • Assistant Professor of Medicine

Departments / Divisions



  • MD; New York University School of Medicine (2006)


  • Internal Medicine; Baylor College of Medicine (2009)


  • Gastroenterology; MedStar Georgetown University Medical Center (2012)

Board Certifications

  • American Board of Internal Medicine (Gastroenterology) (2012)
  • American Board of Internal Medicine (Internal Medicine) (2009)

Research & Publications

Contact for Research Inquiries

The Johns Hopkins Hospital
600 North Wolfe Street
Blalock 465
Baltimore, MD 21287 map

Activities & Honors


  • Physician Recognition Award, Upper Chesapeake Medical Center, 2014 - 2014
  • Top Doctor, Baltimore Magazine, 2020 - 2020


  • American College of Physicians, 2012
  • American College of Gastroenterology, 2012
  • American Society of Gastrointestinal Endoscopy, 2012

Videos & Media

Recent News Articles and Media Coverage

An Earlier Onset for Colorectal Cancer, Dome May/June 2019

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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