Faculty
General Nephrology & Hypertension Faculty
Wooin Ahn, M.D., Ph.D.
Associate Professor of Medicine, School of Medicine
M.D.: Yonsei University
Ph.D.: Yonsei University
Residency: St. Luke’s Hospital
Fellowship: Brigham and Women's Hospital/Massachusetts General Hospital (Clinical), Columbia University (Glomerular)
Academic Interests: Glomerular disease
Nayan Arora, M.D., F.A.S.N
Associate Professor of Medicine, School of Medicine
Undergraduate: University of Washington
M.D.: University of Washington School of Medicine
Residency: University of Washington Affiliated Hospitals
Fellowship: University of Washington Affiliated Hospitals
Academic Interests: Cardiorenal syndrome and diabetic kidney disease
Rupali Avasare, M.D.
Director, Glomerular Disease Program
Associate Professor of Medicine, School of Medicine
Undergraduate: Massachusetts Institute of Technology
M.D.: New York University School of Medicine
Residency: Columbia University
Fellowship: Columbia University (Clinical and Glomerulonephritis)
Academic Interests: Glomerulonephritis clinical outcomes
Pavan Chopra, M.D., M.S.
Director, Quality and Safety for the OHSU Department of Medicine Ambulatory Practice
Director, OHSU Dialysis Outpatient Services
Associate Professor of Medicine, School of Medicine
Undergraduate: University of Illinois Urbana-Champaign
M.D.: Rush University
Residency: Rush University
Fellowship: University of Michigan
Academic interests: Dialysis outcomes and quality improvement
David Cohen, M.D.
Associate Chief of Staff for Research and Development at VA Portland Health Care System
Professor of Medicine, School of Medicine
Undergraduate: Pennsylvania State University
M.D.: Jefferson Medical College of Thomas Jefferson University
Residency: Boston University Medical Center
Fellowship: Brigham and Women’s Hospital (Clinical), HHMI, Division of Genetics, Harvard University (Research)
Academic interests: Genetic factors in systemic water balance, clinical disorders of water and electrolyte balance, and pathophysiology of diabetic nephropathy
Tonja Dirkx, M.D.
Section Chief, VA Portland Health Care System, Nephrology Section
Medical Director, VA Portland Dialysis Unit
Associate Professor of Medicine, School of Medicine
Undergraduate: Humboldt State University
M.D.: University of California at Davis
Residency: Oregon Health & Science University
Fellowship: Oregon Health & Science University
Academic Interests: Dialysis and bone-mineral disease management
David Ellison, M.D.
Director, Oregon Clinical and Translational Research Institute
Associate Vice President for Clinical & Translational Research
Professor of Medicine, School of Medicine
Undergraduate: Stanford University
M.D.: Rush Medical College
Residency: Oregon Health & Science University
Fellowship: Yale University (Clinical), Oregon Health & Science University (Research)
Academic interests: Interactions between diet, genes, and aldosterone in causing and treating high blood pressure, and causes and treatment of diuretic resistance and kidney tubule remodeling
Shannon Fay, P.A.-C.
Instructor of Medicine, School of Medicine
Undergraduate: Washington State University
P.A.-C.: Oregon Health & Science University
Academic interests: Nephrology and hypertension
Peter S. Fong, M.D., Pharm.D.
Assistant Professor of Medicine, School of Medicine
Undergraduate: Creighton University College of Arts and Sciences
Pharm.D.: Creighton University
M.D.: Oregon Health & Science University
Residency: Oregon Health & Science University
Fellowship: Oregon Health & Science University
Academic Interests: Critical care nephrology and pharmacology
Cynthia Gaboury, M.D.
Assistant Professor of Medicine, School of Medicine
Undergraduate: University of Portland
M.D.: Oregon Health & Science University
Residency: Providence Medical Center
Fellowship: Oregon Health & Science University, Brigham and Women's Hospital
Katie Gustafson, M.D.
Renal Clinic Director, Portland VA Medical Center
Assistant Professor of Medicine, School of Medicine
Undergraduate: Harvard University
M.D.: Virginia Commonwealth University
Residency: Oregon Health & Science University
Fellowship: Oregon Health & Science University
Academic interests: Chronic kidney disease and geriatric nephrology
Nathan Hocker, M.D.
Assistant Professor, School of Medicine
Undergraduate: Illinois Wesleyan University
M.D.: Southern Illinois University School of Medicine
Residency: University of Iowa
Fellowship: Oregon Health & Science University
Academic interests: General nephrology, critical care, and medical education
Briana Kjornes, P.A.-C.
Instructor of Medicine, School of Medicine
Undergraduate: Sonoma State University
M.P.A.S.: Oregon Health & Science University
Academic interests: Geriatric Nephrology and ESRD
Zhongfeng Liu, P.A.-C.
Instructor of Medicine, School of Medicine
Undergraduate: Shandong University School of Chinese Traditional Medicine (China)
M.Med.: Shanghai University School of Chinese Traditional Medicine (China)
M.S.: Rocky Mountain College PA Program
Academic interests: Dialysis care, chronic kidney disease and hypertension
Nupur Mistry, M.D.
Assistant Professor, School of Medicine
Undergraduate: University of Washington
M.D.: Saint Louis University School of Medicine
Residency: University of Chicago Department of Medicine
Fellowship: University of Chicago Section of Endocrinology, University of Chicago Section of Nephrology
Academic interests: Hypertension, chronic kidney disease
Ali Olyaei, Pharm.D.
Professor of Medicine, School of Medicine
Undergraduate: Oregon State University
Pharm.D.: University of Kansas
Residency: University of Kansas
Internship: Salem Hospital
Academic interests: Drug dosing in kidney disease and complications of long-term use of immunosuppressive drugs
Oliver Padgett, M.D.
Associate Fellowship Program Director, Division of Nephrology & Hypertension
Assistant Professor of Medicine, School of Medicine
Undergraduate: Occidental College
M.D.: University of Arizona
Residency: Oregon Health & Science University
Fellowship: Oregon Health & Science University
Academic Interests: General nephrology, nephrology education, and community outreach
Rob Rope, M.D.
Medical Director, Ambulatory Clinic
Assistant Professor of Medicine, School of Medicine
Undergraduate: Whitman College
M.D.: Oregon Health & Science University
Residency: Oregon Health & Science University
Fellowship: Stanford University
Academic interests: Hypertension, medical education, and politics in medicine.
Jose Rueda, M.D.
Associate Professor of Medicine, School of Medicine
M.D.: Pontificia Universidad Javeriana, Bogota, Colombia
Residency: Washington University in St. Louis
Fellowship: Washington University in St. Louis
Academic interests: Secondary causes of hypertension and glomerular diseases
Eric Ryan, M.D.
Assistant Professor of Medicine, School of Medicine
Undergraduate: University of Colorado
M.D.: University of Colorado
Residency: Providence Portland Medical Center
Fellowship: Oregon Health and Science University
Academic interests: Critical care, medical education, pregnancy and renal disease, quality improvement.
Avantika Saleen, P.A.-C.
Instructor of Medicine, School of Medicine
Undergraduate: University of Texas at Austin
M.P.A.S.: Hardin-Simmons University
Academic Interests: Dialysis care and hypertension
Jessica Weiss, M.D., M.C.R.
Fellowship Program Director, Division of Nephrology & Hypertension
Medical Director, HMC Inpatient Nephrology Service
Associate Professor of Medicine, School of Medicine
Undergraduate: Syracuse University
M.D.: Southern Illinois University School of Medicine
Residency: Oregon Health & Science University
Fellowship: Oregon Health & Science University
M.C.R.: Oregon Health & Science University
Academic interests: Kidney disease and hypertension in older adults
Raghav Wusirika, M.D., M.B.A.
Interim Chief, Division of Nephrology & Hypertension
Medical Director, OHSU Inpatient Dialysis Unit
Associate Professor of Medicine, School of Medicine
Undergraduate: Case Western University
M.D.: Ohio State University
Residency: University of North Carolina at Chapel Hill
Fellowship: University of Michigan
Academic interests: Vascular access management and estimating GFR in kidney transplant donors
Transplant Faculty
Angelo de Mattos, M.D., M.P.H.
Clinical Director, Kidney Transplantation Medicine at OHSU
Professor of Medicine, School of Medicine
M.D.: Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
Residency: Nephrology - Hospital dos Servidores do Rio de Janeiro
Internal Medicine - University of Miami – Jackson Memorial Medical Center
Fellowship: Oregon Health & Science University
M.P.H.: Oregon State University/Portland State University
Academic interests: Transplant allocation
Zoha Ahmad, P.A.-C.
Instructor of Medicine, School of Medicine
Undergraduate: Oregon State University
M.P.A.S.: Philadelphia College of Osteopathic Medicine
Academic interests: Transplantation and access to healthcare.
Languages spoken: English and Urdu
Teardaad Makarachi, P.A.-C.
Instructor of Medicine, School of Medicine
Undergraduate: Arizona State University
M.S.P.A.S.: Le Moyne College
Academic interests: Transplantation, Hypertension
Douglas Norman, M.D.
Director, Immunogenetics Laboratory
Professor of Medicine, School of Medicine
Undergraduate: Stanford University
M.D.: University of Washington
Residency: University of California at San Francisco, Beth Israel Hospital
Fellowship: Brigham and Women’s Hospital (general nephrology and transplant immunology)
Academic interests: Role of donor specific antibodies in transplant outcomes, flow cytometric cross-matching to predict rejection, and tailoring immunosuppression to patients needs
Jay Pandav, M.D.
Assistant Professor of Medicine, School of Medicine
M.D.: Topiwala National Medical College
Fellowship: Harvard Medical School at Massachusetts General Hospital/Brigham and Women’s Hospital; Nephrology, Icahn School of Medicine at Mount Sinai Hospital; Nephrology
Academic Interests: : BK virus nephropathy, dyslipidemia in kidney transplant, living donor kidney transplantation
Shehzad Rehman, M.D.
Director, Pancreas Transplantation Medicine at OHSU
Transplant Nephrology Fellowship Program Director
Associate Professor of Medicine, School of Medicine
M.D.: King Edward Medical College, Lahore Pakistan
Residency: University of Oklahoma
Fellowship: Wayne State (Clinical), University of Florida (Transplant)
Academic interests: BK virus nephropathy and high immunological risk transplantation
Carley A. Shaut, Ph.D.
Technical Director, OHSU Laboratory of Immunogenetics & Transplantation
ASHI Co-Director, OHSU Laboratory of Immunogenetics & Transplantation
Assistant Professor of Medicine, School of Medicine
Undergraduate: George Fox University
Ph.D.: Oregon Health & Science University
Academic interests: Genetics, histocompatibility, and immunogenetics
Justin Smith, M.D.
Assistant Professor of Medicine, School of Medicine
Undergraduate: University of Southern Mississippi
M.D.: University of Mississippi Medical Center
Residency: University of Mississippi Medical Center (Internal Medicine)
Fellowship: Oregon Health and Science University (Nephrology, Transplant)
Academic interests: Transplantation, Aging transplant population
Megan Stack, F.N.P.
Instructor of Medicine, School of Medicine
Undergraduate: Fordham University
B.S.N.: Pace University
M.S.N.: Pace University
Academic interests: Transplantation
Research Faculty
Ryan Cornelius, Ph.D.
Assistant Professor of Medicine, School of Medicine
Undergraduate: Minnesota State University
Ph.D.: University of Nebraska Medical Center
Fellowship: OHSU Division of Nephrology and Hypertension
Academic interests: COP9 signalosome regulation of cullin-RING ligases in kidney, hypertension, and kidney disease
Jessica F. Hebert, Ph.D.
Instructor of Medicine, School of Medicine
Undergraduate: Minnesota State University-Moorhead
Ph.D.: Portland State University
Postdoctoral Fellowship: (1) OHSU Ob/Gyn, (2) OHSU Anesthesiology & Perioperative Medicine
Academic interests: Long-term effects of acute kidney injury on pregnancy, fetal development, and future maternal and offspring health
Peter Mayinger, Ph.D.
Associate Professor of Medicine, School of Medicine
Undergraduate: Technical University (Munich, Germany)
Ph.D.: Ludwig Maximilans University (Munich, Germany)
Ph.D.: Heidelberg University (Heidelberg, Germany)
Fellowship: University of California, Los Angeles (Biological Chemistry)
Academic Interests: Membranes and sorting, cell signaling, cell proliferation and differentiation, lipid signaling disorders, and cell proliferative diseases
James McCormick, Ph.D.
Associate Professor of Medicine, School of Medicine
Undergraduate: University of Edinburgh (UK)
Ph.D.: University of Edinburgh (UK)
Fellowship: University of California, San Francisco (Nephrology)
Academic Interests: Mouse models to examine mechanisms of blood pressure regulation
Jonathan Nelson, Ph.D.
Instructor, School of Medicine
Undergraduate: University of Washington
Ph.D.: Oregon Health & Science University
Postdoctoral Fellowship: Oregon Health & Science University
Academic Interests: Pericytes, Microvasculature, Renin-Angiotensin-System, Optical Clearing, Single-Cell RNA Sequencing
Chao-Ling Yang, M.D.
Associate Professor of Medicine, School of Medicine
M.D.: Nafan Medical University
Fellowship: Yale University School of Medicine (Nephrology)
Academic Interests: Mechanisms by which WNK kinases modulate renal transporters and how mutations of WNK kinases cause human hypertension
Emeritus Faculty
Sharon Anderson, M.D.
Dean and Professor Emeritus, OHSU School of Medicine
Undergraduate: University of Maryland
M.D.: Louisiana State University Medical Center
Residency: Oregon Health & Science University
Fellowship: Beth Israel Hospital (Clinical), Brigham and Women's Hospital (Research)
Susan Bagby, M.D.
Professor Emeritus, OHSU School of Medicine
Undergraduate: University of Texas
M.D.: Baylor College of Medicine
Residency: University of California San Diego School of Medicine
Fellowship: University of California San Diego School of Medicine, Oregon Health & Science University
Richard Parker, M.D., F.A.C.P
Professor Emeritus, OHSU School of Medicine
Undergraduate: Indiana University
M.D.: Indiana University School of Medicine
Residency: Oregon Health & Science University
Fellowship: Oregon Health & Science University