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Alyssa Maria Parian, M.D.

Photo of Dr. Alyssa Maria Parian, M.D.
  • Assistant Professor of Medicine


Clostridium Difficile, Crohn's Disease, Fecal Microbiota Transplantation, Gastroenterology, Inflammatory Bowel Disease (IBD), Microscopic colitis, Proctitis, Ulcerative Colitis more

Research Interests

Inflammatory bowel disease associated cancers; IBD clinical trials; IBD extra intestinal manifestations; Anemia in IBD; Preventative care in IBD; Women's health in IBD more

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Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-0790
4940 Eastern Avenue
Baltimore, MD 21224 map
Phone: 410-550-5122

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-933-7495
2360 W. Joppa Road
Joppa Concourse Suite 205
Lutherville, MD 21093 map
Phone: 410-933-7495


Dr. Alyssa Parian received her Internal Medicine training at New York Presbyterian – Weill Cornell in New York City. Her Gastroenterology training was completed at Johns Hopkins Hospital. During her Gastroenterology fellowship, she pursued a special interest in inflammatory bowel diseases and specializes in Crohn’s disease and ulcerative colitis. Dr. Parian has a busy clinical practice of IBD patients for whom she manages their immunosuppressant medications, coordinates their infusions and performs regular surveillance colonoscopies with chromoendoscopy for colorectal cancer prevention.

Dr. Parian’s research focuses on dysplasia and colon cancer in IBD patients and emerging endoscopic technologies for the treatment of IBD and IBD complications. She has presented three oral presentations on her research at Digestive Disease Week and numerous poster presentations. She works closely with basic scientists to discover early markers of dysplasia.

Dr. Parian also is passionate about teaching and is engaged in the education of the medical students, residents and fellows. She frequently moderates resident morning report and presents noon lectures to the residents. She is involved in small group learning of GI illnesses in the medical school and teaches history and physical exam skills to the medical students. She has been invited to give multiple lectures locally as well as nationally on her research and inflammatory bowel disease. more


  • Assistant Professor of Medicine

Departments / Divisions

Centers & Institutes



  • MD, UMDNJ-New Jersey Medical School (2008)


  • New York-Presbyterian/Weill Cornell Medical Center / Internal Medicine (2011)


  • Johns Hopkins University School of Medicine / Gastroenterology (2014)

Board Certifications

  • American Board of Internal Medicine / Gastroenterology (2014)
  • American Board of Internal Medicine / Internal Medicine (2011)

Research & Publications

Lab Website: Alyssa Parian Lab

Activities & Honors


  • Arnold P Gold Foundation Award, 2005
  • Columbian Society Scholarship, 2006
  • Alpha Omega Alpha Medical Honor Society, 2008
  • Assistant Chief Resident, 2011
  • Investing in Future: Clinical Research in IBD, 2013
  • Top Doctor, Baltimore Magazine, 2020 - 2020


  • ACG, 2009
  • AGA, 2009
  • CCFA, 2011

Videos & Media

Recent News Articles and Media Coverage

Preventive Care in IBD

Pathology Clue Could Be a Link Between IBD and Cancer, Inside Tract (Winter 2016)

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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