The PPRNet Foundation is a non-profit member organization, led by its Board of Directors and Executive Leadership Team.  

 2018 Founding Board of Directors

Mary Arenberg, M.D. is a family physician in Plymouth, Wisconsin.  Her undergraduate and medical degrees are from the University of Illinois.  She did her clinical training at the Waukesha Family Practice Residency, Medical       College of Wisconsin and has been certified by the American Board of Family Medicine since 1983. Dr. Arenberg  has been in a thriving private practice with her husband in Plymouth, WI since 1985.  A PPRNet member since 2000, Dr. Arenberg’s practice has won numerous PPRNet “Best Practice” awards and was the inaugural winner of the PPRNet “Dr. Matthew White Award” in recognition of their exemplary commitment to improvement and innovation in patient care. 




Susan T. Andrews, M.D. is a family physician in Murfreesboro, Tennessee.   Her undergraduate degree is from Duke University and her medical degree from Vanderbilt University.  She did her family medicine residency at the Medical University of South Carolina, Charleston, where she used one of the first EHRs in the United States.  Dr. Andrews has been certified by the American Board of Family Medicine since 1981, the year she entered practice in Murfreesboro with her husband.  Their practice, Family Practice Partners, has been featured several times in national publications for its state-of-the-art use of EHRs, and Dr. Andrews has spoken nationwide and mentored numerous other practices on this subject. Family Practice Partners has been a member of PPRNet since 2002 and has won numerous PPRNet “Best Practice” awards. 


Additional Board of Director Bios are under development and will be posted in this space soon.


 Executive Leadership

Steve Ornstein, MD, President and Executive Director, is a family physician and founded PPRNet, a national primary care practice-based research network, in 1995.  His undergraduate degree is from Dartmouth College and his medical degree from Duke University.  He has only used EHRs in clinical practice, beginning with residency training at the Medical University of South Carolina.  Through numerous federally funded grants and contracts, practice site visits and national network meetings, he has been a change agent and leader in seeing primary care quality improvement realized through specific approaches aimed to the translation of research into practice.

Andrea Wessell, PharmD. Vice President for Education. Dr. Wessell is a clinical pharmacist with expertise in safe medication prescribing and monitoring in primary care and translating evidence into practice.  After receiving her doctor of pharmacy degree with honors from the University of North Carolina at Chapel Hill School of Pharmacy, she completed residency training at the University of Colorado Health Sciences Center in Denver and Medical University of South Carolina.  She was introduced to PPRNet during the first "Translating Research into Practice" (TRIP) study in 2001 and joined the PPRNet team full-time in 2008.  She has led medication safety-focused research funded by AHRQ and participated as a site visitor and network meeting facilitator in the majority of PPRNet's TRIP research portfolio.  She is inspired by the ability of independent primary care practice teams to change, achieve high quality and thrive in this era of value-based payment.  She aims to spread both high quality pharmacotherapy evidence and the "how to" of achieving real improvement to TPF members and beyond.  



Cara Litvin, MD MS. Vice President for Innovation and Research. Dr. Litvin is a general internist and health services researcher. She received an undergraduate degree from the University of South Carolina Honors College and received her medical degree from the Medical University of South Carolina (MUSC). She began working with PPRNet during medical school. She then completed residency at New York University/Bellevue Hospital and returned to MUSC to complete an academic generalist fellowship and receive a Master of Science in Clinical Research while resuming her work with PPRNet. She also received a certificate in Clinical Informatics from Oregon Health and Science University. She has has led several NIH and AHRQ funded research projects to study how primary care quality can be measured and improved through use of health information technology. Her passion is in in developing, studying and disseminating innovative approaches to providing high quality, evidence-based primary care.