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Alyssa Maria Parian, M.D.

Photo of Dr. Alyssa Maria Parian, M.D.

Assistant Professor of Medicine


Expertise: Clostridium Difficile, Crohn's Disease, Diarrhea, Gastroenterology, Inflammatory Bowel Disease (IBD), Microscopic colitis, Proctitis, Ulcerative Colitis

Research Interests: inflammatory bowel disease associated cancers; IBD clinical trials; IBD extra intestinal manifestations

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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 - White Marsh
Appointment Phone: 443-442-2200

White Marsh
4924 Campbell Boulevard
Suite 205
Nottingham, MD 21236 map
Phone: 443-442-2200
Fax: 443-442-2222


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



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


  • New York Presbyterian Hospital - Cornell Campus / 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


  • 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)

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