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Tinsay Ambachew Woreta, M.D., M.P.H.

  • Program Director, Gastroenterology and Transplant Hepatology Fellowships
  • Assistant Professor of Medicine


Acute or Chronic Viral Hepatitis, Acute Viral Hepatitis, Alcoholic Liver Disease, Alpha 1 Antitrypsin (AAT) Deficiency, Ascites, Autoimmune Hepatitis, Benign Liver Lesions, Bile Duct Disease, Cholangiocarcinoma, Cholestatic Liver Diseases of Childhood, Cirrhosis, Elevated Liver Tests, Esophageal varices (Enlarged Veins), Fatty Liver, Gastroenterology, Hemangiomas, Hemochromatosis, Hepatic (Liver) Adenoma, Hepatic Encephalopathy, Hepatocellular Carcinoma, Hepatology, Hepatomegaly (Enlarged Liver), Jaundice, Liver Cancer, Liver Cysts, Liver Disease, Liver Injury, Liver Mass, Liver Test Abnormalities, Liver Transplant, Liver Transplant Evaluation, Nonalcoholic Fatty Liver Disease, Non-Alcoholic Steatohepatitis (NASH), Primary Biliary Cholangitis, Sclerosing Cholangitis more

Research Interests

Hepatocellular Carcinoma; Liver Transplantation Outcomes; Chronic Viral Hepatitis more

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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

The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 410-933-7495
1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map


Dr. Woreta joins Johns Hopkins from Texas Tech University Health Sciences Center, where she was the interim chief of the division of gastroenterology. Specializing in acute and chronic liver diseases, she sees patients with viral hepatitis, alcoholic liver disease, nonalcoholic fatty liver disease and those in need of cirrhosis liver transplantation.

Dr. Woreta has authored several publications and chapters. more


  • Program Director, Gastroenterology and Transplant Hepatology Fellowships
  • Associate Program Director for Diversity, Equity and Inclusion, Osler Medical Residency
  • Assistant Professor of Medicine

Departments / Divisions

Centers & Institutes



  • MD; Johns Hopkins University School of Medicine (2007)


  • Medicine; Johns Hopkins University School of Medicine (2010)


  • Gastroenterology; Johns Hopkins University School of Medicine (2013)

Board Certifications

  • American Board of Internal Medicine (Gastroenterology) (2013)
  • American Board of Internal Medicine (Internal Medicine) (2010)
  • American Board of Internal Medicine (Transplant Hepatology) (2014)

Research & Publications

Selected Publications

View all on PubMed


  • Kim B, Woreta T, Chen PH, Limketkai B, Singer A, Dagher N, Cameron A, Lin MT, Kamel I, Gurakar A. Donor-Transmitted Malignancy in a Liver Transplant Recipient: A Case Report and Review of Literature. Dig Dis Sci. 2012: Epub ahead of print.
  • Woreta TA, SutcliffeCG, MehtaSH, BrownTT, HigginsY, ThomasDL, TorbensonMS, MooreRD, SulkowskiMS. Incidence and risk factors for steatosis progression in adults coinfected with HIV and hepatitis C virus. Gastroenterology. 2011; 140: 809-817.
  • Woreta TA, Feldman LS, Stewart RW. Exotic Origin, Familiar Culprit. Am J Med. 2010; 123(3): 220-2.
  • Woreta TA, Munoz BE, Gower EW, Alemayehu W, West SK. Effect of trichiasis surgery on visual acuity outcomes in Ethiopia. Arch Ophthalmol. 2009; 127(11): 1505-10.
  • Rybak EA, Polotsky AJ, Woreta T, Hailpern SM, Bristow RE. Explained Compared with Unexplained Fever in Postoperative Myomectomy and Hysterectomy Patients. Obstet Gynecol. 2008; 111(5): 1137-42.
  • Syin D, Woreta TA, Chang DC, Cameron JL, Pronovost PJ, Makary MA. Publication Bias in Surgery: Implications for Informed Consent. J Surg Res. 2007; 143(1): 88-93.
  • Poliquin K, Ershov YV, Cunningham FX Jr., Woreta TA, Gantt RR, Gantt E. Inactivation of sll1556 in Synechocystis Strain PCC 6803 Impairs Isoprenoid Biosynthesis from Pentose Phosphate Cycle Substrates In Vitro. J Bacteriol. 2004; 186(14): 4685-93.

 Book chapters:

  • Woreta, T.A. & Hamilton, J.P. (2012). Hepatocellular Carcinoma: Etiology and Natural History. In Reau, N. & Poordad, F.F. (Ed.). Primary Liver Cancer (pp. 1-16). New York: Humana Press.
  • Woreta, T.A. (2010). New-onset Jaundice. In Garabaldi, B.T. (Ed.), Patient Encounters: The Internal Medicine Work-Up (pp. 274-280). Baltimore, MD: Lippincott Williams & Wilkins.
  • Woreta, T.A. & Makary, M.A. (2008). Patient Safety. In Makary, M.A. (Ed.), General Surgery Review, 2nd edition (pp. 553-556). Washington DC: Ladner-Drysdale.

Edited Book Chapter:

  • Gastrointestinal and Pulmonary chapters in First Aid for the USMLE Step 2 CK, 6th edition. Tao Le and Vikas Bhushan. The McGraw-Hill Companies, Inc., 2007.

Oral/Poster Presentations:

  •  Woreta, T.A., Khashab, M.A., Victor, D.W. A Diagnostic Dilemma: The Case of a Highly Aggressive Vascular Lesion Involving the GI Tract. Presented as a poster presentation at: ACG 2012 Annual Scientific Meeting; Las Vegas, NV.
  • Woreta, T., Sutcliffe, C., Mehta, S., Brown, T., Sulkowski, M. (2010, May). The Natural History of Hepatic Steatosis Among HIV/Hepatitis C Co-infected Adults with Paired Liver Biopsy. Poster Presentation at: Digestive Disease Week 2010; New Orleans, LA.
  • Woreta, T., Feldman, L., Stewart, R. (2009, May). An Airtight Case: An Ethiopian with Abdominal Pain and Pneumoperitoneum. Poster Presentation presented at: Society of General Internal Medicine 32nd Annual Meeting; Miami, FL.
  • Woreta, T., Munoz, B., Gower, E., Alemayehu, W., West, S. (2007, May). The Impact of Trichiasis Surgery on Visual Outcomes in Ethiopian Patients. Oral Presentation presented at: The Wilmer Residents Association Clinical Meeting; Baltimore, MD.
  • Woreta, T., Cameron, J,, Chang, D., Syin, D., Makary, M. (2007, February). Measuring Publication Bias in Surgery: Implications for Informed Consent. Poster Presentation presented at: 2nd Annual Academic Surgical Congress; Phoenix, AZ.

Activities & Honors


  • The Dana Center for Preventive Ophthalmology 2007 Student Award
  • Member, Alpha Omega Alpha Honorary Medical Society
  • Member, Delta Omega Honorary Society in Public Health
  • Jack Kent Cooke Graduate Fellowship Award
  • Banneker/Key Scholarship
  • Gemstone Honors Program
  • University Honors Program
  • Cell Biology and Molecular Genetics Departmental Honors Program
  • Howard Hughes Medical Institute Undergraduate Fellowship Award
  • Member, Phi Beta Kappa

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Recent News Articles and Media Coverage

After Hepatitis C Is Cured, Inside Tract (Winter, 2018)

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