AtifZamanMD

Gastroenterology • Portland, OR

Professor, Medicine, Oregon Health and Science University School of Medicine

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Office
3181 Sw Sam Jackson Park Rd
OHSU, MC CH6D
Portland, OR 97239
Phone+1 503-494-4373
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Education & Training

Oregon Health & Science UniversityFellowship, Gastroenterology, 1995 - 1998
Baylor College of MedicineResidency, Internal Medicine, 1991 - 1994
Tufts University School of MedicineClass of 1991

Certifications & Licensure

OR State Medical License 1994 - 2025
TX State Medical License 1994 - 1997
LA State Medical License 1993 - 1996
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

America's Top Doctors Castle Connolly, 2011-2014
Portland Monthly Magazine Castle Connolly, 2011
CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011-2013
Fellow (FACP) American College of Physicians, 2005
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Clinical Trials

Hepatitis C Treatment in PWIDs: MAT or Syringe Exchange Assisted-therapy vs Standard of Care Start of enrollment: 2017 May 30
Completed
Phase 4

Publications & Presentations

PubMed

3 citations
A one-week internal medicine procedure rotation designed to increase procedural opportunities and competency.
André M. Mansoor, Ali Chisti, Atif Zaman, Alan J. Hunter, Sima S. Desai> ;Hospital Practice. 2021 Aug 30
7 citations
Effect of relaxing hepatitis C treatment restrictions on direct-acting antiviral use in a Medicaid program: an interrupted time series analysis.
Megan C. Herink, Jonah Geddes, Kim Vo, Atif Zaman, Daniel M. Hartung> ;Journal of Managed Care & Specialty Pharmacy. 2021 Jun 29
18 citations
A novel microRNA-based prognostic model outperforms standard prognostic models in patients with acetaminophen-induced acute liver failure.
Oliver D Tavabie, Constantine J. Karvellas, Siamak Salehi, Jaime L. Speiser, Christopher F. Rose, Krishna Menon, Andreas Prachalias, Michael A. Heneghan, Kosh Agarwal,...> ;Journal of Hepatology. 2021 Aug 1
2 citations
Clinical outcome event adjudication in a 10-year prospective study of nucleos(T)ide analogue therapy for chronic hepatitis b
Joseph K. Lim, Alex Y. Chang, Atif Zaman, Paul J. Martin, Conrado M Fernandez-Rodriguez, Mete Korkmaz, Simona Rossi, James M. Ford, Tamara Noonan, E. Cooney, Victor J....> ;Journal of Clinical and Translational Hepatology. 2020 Oct 10
21 citations
Thromboelastography Better Reflects Hemostatic Abnormalities in Cirrhotics Compared With the International Normalized Ratio
Justine Hum, Deron Amador, Joseph J. Shatzel, Willscott E. Naugler, Joseph Ahn, Atif Zaman, Michael Chang, Janice H. Jou> ;Journal of Clinical Gastroenterology. 2020 Sep 1
27 citations
Life projects: the transformative potential of direct-acting antiviral treatment for hepatitis C among people who inject drugs.
Beth E. Williams, Devynne Nelons, Andrew Seaman, Martyna Witkowska, Wren Ronan, Haven Wheelock, Atif Zaman, Jonathan Garcia> ;The International Journal on Drug Policy. 2019 Oct 1
9 citations
Percutaneous Transmesenteric Portal Vein Recanalization and Transjugular Direct Intrahepatic Portosystemic Shunt Creation for Chronic Portal Vein Occlusion.
Khashayar Farsad, Atif Zaman> ;Journal of Vascular and Interventional Radiology. 2019 Jun 1
18 citations
Influence of spontaneous splenorenal shunts on clinical outcomes in decompensated cirrhosis and after liver transplantation.
Karen B. Saks, Kyle K. Jensen, Joel McLouth, Justine Hum, Joseph Ahn, Atif Zaman, Michael F. Chang, Alice Fung, Barry Schlansky> ;Hepatology Communications. 2018 Apr 1
77 citations
The Natural History of Severe Acute Liver Injury
David G. Koch, Jaime L. Speiser, Valerie Durkalski, Robert J. Fontana, Timothy Davern, Brendan M. McGuire, Richard T. Stravitz, Anne M. Larson, Iris Liou, Oren K. Fix,...> ;The American Journal of Gastroenterology. 2017 Sep 1
20 citations
HBV-Associated Acute Liver Failure After Immunosuppression and Risk of Death
Constantine J. Karvellas, Filipe S. Cardoso, Michelle Gottfried, K. Rajender Reddy, A. James Hanje, Daniel Ganger, William M. Lee, W. M. Lee, Anne M. Larson, Iris Liou...> ;Clinical Gastroenterology and Hepatology. 2017 Jan 1
221 citations
Outcomes in adults with acute liver failure between 1998 and 2013: An observational cohort study
Adrian Reuben, Holly Tillman, Robert J. Fontana, Timothy Davern, Brendan M. McGuire, R. Todd Stravitz, Valerie Durkalski, Anne M. Larson, Iris Liou, Oren K. Fix, Micha...> ;Annals of Internal Medicine. 2016 Jun 7
178 citations
Terlipressin Plus Albumin Is More Effective Than Albumin Alone in Improving Renal Function in Patients With Cirrhosis and Hepatorenal Syndrome Type 1
Thomas D. Boyer, Arun J. Sanyal, Florence Wong, R. Todd Frederick, John R. Lake, Jacqueline G. O'Leary, Daniel Ganger, Khurram Jamil, Stephen Chris Pappas, Samuel H. S...> ;Gastroenterology. 2016 Jun 1
10 citations
Association Between Plasma Level of Galectin-9 and Survival of Patients With Drug-Induced Acute Liver Failure.
Hugo R. Rosen, Scott W. Biggins, Toshiro Niki, Jane Gralla, Holly Hillman, Mitsuomi Hirashima, Michael L. Schilsky, William M. Lee, W. M. Lee, Anne M. Larson, Iris Lio...> ;Clinical Gastroenterology and Hepatology. 2016 Apr 1
40 citations
Procalcitonin Identifies Cell Injury, Not Bacterial Infection, in Acute Liver Failure.
Jody Rule, Linda S. Hynan, Nahid Attar, Corron Sanders, William J. Korzun, William M. Lee, Anne M. Larson, Iris Liou, Timothy J. Davern, Oren K. Fix, Michael L. Schils...> ;Plos One. 2015 Sep 22
18 citations
Symptom distress in patients with end-stage liver disease toward the end of life.
Lissi Hansen, Michael C. Leo, Michael F. Chang, Atif Zaman, Willscott E. Naugler, Jonathan Schwartz> ;Gastroenterology Nursing. 2015 May 1
40 citations
Malignant Infiltration of the Liver Presenting as Acute Liver Failure
Nicole E. Rich, Corron Sanders, Randall S. Hughes, Robert J. Fontana, R. Todd Stravitz, Oren K. Fix, Steven Han, Willscott E. Naugler, Atif Zaman, William M. Lee> ;Clinical Gastroenterology and Hepatology. 2015 May 1
9 citations
Hepatitis C treatment eligibility among HIV-hepatitis C virus coinfected patients in Oregon: a population-based sample.
Marissa M Maier, Haiou He, Sean Schafer, Thomas T. Ward, Atif Zaman> ;AIDS Care. 2014 Jun 19
33 citations
Micro-RNA-122 levels in acute liver failure and chronic hepatitis C
Perry H. Dubin, Hejun Yuan, Robert K. Devine, Linda S. Hynan, Mamta K. Jain, William M. Lee, Anne M. Larson, Iris Liou, Timothy J. Davern, Oren K Fix, Michael L. Schil...> ;Journal of Medical Virology. 2014 Jun 4
85 citations
Detection of anti‐isoniazid and anti–cytochrome P450 antibodies in patients with isoniazid‐induced liver failure
Imir G. Metushi, Corron Sanders, W. M. Lee, Anne M. Larson, Iris Liou, Timothy J. Davern, Oren K. Fix, Michael L. Schilsky, Timothy M. McCashland, J. Eileen Hay, Natal...> ;Hepatology. 2014 Mar 1
123 citations
Steroid use in acute liver failure.
Jamuna Karkhanis, Elizabeth C. Verna, Matthew S. Chang, R. Todd Stravitz, Michael L. Schilsky, William M. Lee, Robert S. Brown, George Ostapowicz, Frank V. Schiødt, Ju...> ;Hepatology. 2014 Feb 1
9 citations
Guideline adherence and outcomes in esophageal variceal hemorrhage: comparison of tertiary care and non-tertiary care settings.
Barry Schlansky, Brent Y. Lee, Laurel H. Hartwell, Jennifer Urquhart, Brian Willis, Atif Zaman> ;Journal of Clinical Gastroenterology. 2012 Mar 1
19 citations
MiraLAX vs. Golytely: is there a significant difference in the adenoma detection rate?
Brintha K. Enestvedt, M. Brian Fennerty, Atif Zaman, Glenn M. Eisen> ;Alimentary Pharmacology & Therapeutics. 2011 Oct 1
Subtle Hepatocellular Carcinoma: A Persisting Role for Alpha-Fetoprotein Monitoring in High-Risk Patients with Cirrhosis
Barry Schlansky, Nora Dobos, Atif Zaman> ;Case Reports in Gastroenterology. 2011 Sep 1
34 citations
Novel Biomarker Candidates to Predict Hepatic Fibrosis in Hepatitis C Identified by Serum Proteomics
Libang Yang, Kyle Rudser, LeeAnn Higgins, Hugo R. Rosen, Atif Zaman, Christopher L. Corless, Larry L. David, Glenn R. Gourley> ;Digestive Diseases and Sciences. 2011 May 17
15 citations
Hepatic and cardiac iron overload among patients with end-stage liver disease referred for liver transplantation.
Avital Y. O’Glasser, David Scott, Christopher L. Corless, Atif Zaman, Anna Sasaki, Deepak V. Gopal, Stephen C. Rayhill, Susan L. Orloff, John M. Ham, John M. Rabkin, K...> ;Clinical Transplantation. 2010 Sep 1
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