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VA Cooperative Studies Program (CSP)

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Network of Dedicated Enrollment Sites (NODES)

The Network of Dedicated Enrollment Sites (NODES) is a consortium of VA medical centers that have teams, nodes, in place dedicated to conducting CSP studies to enhance the overall performance, compliance, and management of CSP multi-site research. In addition, NODES work together to share best practices and provide local insights to CSP Central Office and CSP Centers on study design and related considerations that can help with study management and conduct. Further, each node helps to create a stronger local community of clinical research.

The 23 NODES and their Directors, selected through a competitive scientific review, are:

  • Ann Arbor – Jeffrey Curtis, MD
  • Atlanta – Lawrence S. Phillips, MD, Mary K. Rhee, MD, MSCR
  • Aurora – Neda Rasouli, MD, Gregory Schwartz, MD, PhD
  • Boston – Terry Keane, PhD, Pantel Vokonas, MD
  • Bronx – Sheldon T. Brown, MD, Susan E. Bates, MD
  • Cleveland – Curtis Donskey, MD
  • Dallas – Eleanor D. Lederer, MD, FASN, Geetha Shivakumar, MD, MSCS
  • Greater Los Angeles – Tannaz Moin, MD, MBA, MSHS, Debika Bhattacharya, MD
  • Hines – David Leehey, MD
  • Houston – Barbara Trautner, MD, PhD
  • Long Beach – Timothy Morgan, MD
  • Madison – Nasia Safdar, MD, PhD, Timothy Juergens, MD
  • Miami – Binu John, MD, Leonardo Tamariz, MD
  • Milwaukee – Jeffrey Whittle, MD, MPH, Elizabeth Gore, MD
  • Minneapolis – Susan Diem, MD, MPH 
  • Omaha – James R. O’Dell, MD
  • Palo Alto – Trisha Suppes, MD, PhD, Michael Ostacher, MD, MPH, MMSc
  • Philadelphia – David Oslin, MD, Joshua Baker, MD, MSCE
  • Portland – Merritt Raitt, MD, North Noelck, MD, MPH
  • Salt Lake City – Jennifer Romesser, PsyD, Jessica A. Walsh, MD
  • San Diego – Sunder Mudaliar, MD, Sanjai Rao, MD
  • Seattle – Jason A. Dominitz, MD, MHS, Laura C. Feemster, MD, MS
  • West Haven – Mehmet Sofuoglu, MD, PhD, Kathleen Akgün, MD, MS


Marcus Johnson, MPH, MBA, MHA
CSP Associate Director (NODES) or


VA Women's Health Practice-Based Research Network (VA WH-PBRN), For more information, contact