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Oren Fix, M.D., M.Sc.

Liver specialist

Dr. Oren Fix specializes in treating patients with liver disease, including those waiting for liver transplants. His research interests include acute liver failure and cardiopulmonary complications of chronic liver disease. Fix is certified by the American Board of Internal Medicine in internal medicine, gastroenterology and transplant hepatology.

Fix earned a medical degree at State University of New York at Buffalo. He completed a residency and gastroenterology fellowship at Boston University Medical Center, and earned a master's degree in epidemiology at Boston University School of Public Health. Following a hepatology fellowship at UCSF, Fix worked at the University of Washington in Seattle before joining the UCSF faculty in 2008. He is the co-author of a chapter on viral hepatitis in the medical textbook, "Global HIV/AIDS Medicine." He has also published several papers in peer-reviewed scientific journals. Fix is an associate professor of clinical medicine at UCSF.


Liver Disease and Liver Transplant
350 Parnassus Ave., Suite 300
San Francisco, CA 94143
Phone: (415) 353-2318
Fax: (415) 353-2407

Hours: Monday to Friday
8:30 a.m. – 4:30 p.m.

Conditions & Treatments

More about Oren Fix


State University of New York at Buffalo School of Medicine 1999


Boston University Medical Center 2002


Boston University Medical Center, Gastroenterology 2005
UCSF Medical Center, Hepatology 2006

Selected Research and Publications

  1. Cascino MD, McNabb B, Gardner DG, Woeber KA, Fox AN, Wang B, Fix OK. Acute liver failure with thyrotoxicosis treated with liver transplantation. Endocr Pract. 2013 May-Jun; 19(3):e57-60.
  2. Mukhtar NA, Fix OK. Portopulmonary hypertension. J Clin Gastroenterol. 2011 Sep; 45(8):703-10.
  3. Raval Z, Harinstein ME, Skaro AI, Erdogan A, DeWolf AM, Shah SJ, Fix OK, Kay N, Abecassis MI, Gheorghiade M, Flaherty JD. Cardiovascular risk assessment of the liver transplant candidate. J Am Coll Cardiol. 2011 Jul 12; 58(3):223-31.
  4. Findlay JY, Fix OK, Paugam-Burtz C, Liu L, Sood P, Tomlanovich SJ, Emond J. Critical care of the end-stage liver disease patient awaiting liver transplantation. Liver Transpl. 2011 May; 17(5):496-510.
  5. Calderwood AH, Lai EJ, Fix OK, Jacobson BC. An endoscopist-blinded, randomized, controlled trial of a simple visual aid to improve bowel preparation for screening colonoscopy. Gastrointest Endosc. 2011 Feb; 73(2):307-14.
  6. Vagefi PA, Klein I, Gelb B, Hameed B, Moff SL, Simko JP, Fix OK, Eilers H, Feiner JR, Ascher NL, Freise CE, Bass NM. Emergent orthotopic liver transplantation for hemorrhage from a giant cavernous hepatic hemangioma: case report and review. J Gastrointest Surg. 2011 Jan; 15(1):209-14.
  7. Nunes D, Fleming C, Offner G, Craven D, Fix O, Heeren T, Koziel MJ, Graham C, Tumilty S, Skolnik P, Stuver S, Horsburgh CR, Cotton D. Noninvasive markers of liver fibrosis are highly predictive of liver-related death in a cohort of HCV-infected individuals with and without HIV infection. Am J Gastroenterol. 2010 Jun; 105(6):1346-53.
  8. Perkins JD, Halldorson JB, Bakthavatsalam R, Fix OK, Carithers RL, Reyes JD. Should liver transplantation in patients with model for end-stage liver disease scores
  9. Lai EJ, Calderwood AH, Doros G, Fix OK, Jacobson BC. The Boston bowel preparation scale: a valid and reliable instrument for colonoscopy-oriented research. Gastrointest Endosc. 2009 Mar; 69(3 Pt 2):620-5.
  10. Halldorson JB, Bakthavatsalam R, Fix O, Reyes JD, Perkins JD. D-MELD, a simple predictor of post liver transplant mortality for optimization of donor/recipient matching. Am J Transplant. 2009 Feb; 9(2):318-26.
  11. Fix OK, Kowdley KV. Hereditary hemochromatosis. Minerva Med. 2008 Dec; 99(6):605-17.
  12. Chan EY, Larson AM, Fix OK, Yeh MM, Levy AE, Bakthavatsalam R, Halldorson JB, Reyes JD, Perkins JD. Identifying risk for recurrent hepatocellular carcinoma after liver transplantation: implications for surveillance studies and new adjuvant therapies. Liver Transpl. 2008 Jul; 14(7):956-65.
  13. Fix OK. Does a latte a day keep the hepatologist away? Hepatology. 2008 Jan; 47(1):348-51.
  14. Fix OK, Bass NM, De Marco T, Merriman RB. Long-term follow-up of portopulmonary hypertension: effect of treatment with epoprostenol. Liver Transpl. 2007 Jun; 13(6):875-85.
  15. Fix OK, Damon LE, Bass NM. Amyloidosis localized to the liver. Clin Gastroenterol Hepatol. 2007 Feb; 5(2):e7.
  16. Fix OK, Simon JT, Farraye FA, Oviedo JA, Pratt DS, Chen WT, Cave DR. Obscure gastrointestinal hemorrhage from mesenteric varices diagnosed by video capsule endoscopy. Dig Dis Sci. 2006 Jul; 51(7):1169-74.
  17. Fix OK, Peters MG, Davern TJ. Eosinophilic hepatitis caused by lamotrigine. Clin Gastroenterol Hepatol. 2006 Apr; 4(4):xxvi.
  18. Nunes D, Fleming C, Offner G, O'Brien M, Tumilty S, Fix O, Heeren T, Koziel M, Graham C, Craven DE, Stuver S, Horsburgh CR. HIV infection does not affect the performance of noninvasive markers of fibrosis for the diagnosis of hepatitis C virus-related liver disease. J Acquir Immune Defic Syndr. 2005 Dec 15; 40(5):538-44.
  19. Fix OK, Soto JA, Andrews CW, Farraye FA. Gastroduodenal Crohn's disease. Gastrointest Endosc. 2004 Dec; 60(6):985.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.