Hilary Barnes, PhD, APRN

Assistant Professor
McDowell Hall 367

Dr. Barnes’ program of research focuses on the nurse practitioner (NP) and the influence of state-level practice and reimbursement policies on NP workforce outcomes, as well as the impact of NP-delivered care on patient outcomes in ambulatory settings. She is a health services researcher with expertise in quantitative analyses using large data sets. Her research has been funded by the Eastern Nursing Research Society/American Nurses Foundation and the AcademyHealth New Investigator Small Grant Program. Dr. Barnes is a family NP and maintains clinical practices in the urgent care setting. She teaches leadership in the DNP program.



  • Ph.D., Widener University School of Nursing
  • MSN, Family Nurse Practitioner, Widener University
  • BSN, University of Pennsylvania
  • BA, Skidmore College

School of Nursing, University of Pennsylvania, Philadelphia, PA:

  • Lecturer-Advanced Physical Assessment and Clinical Decision Making


  • Instructor- Clinical Simulation
  • Instructor- Advanced Clinical Practicum in Nursing
  • Barnes, H., Maier, C., Altares Sarik, D., Germack, H.D., Aiken, L.H., & McHugh, M.D. (2017). Effects of regulation and payment policies on nurse practitioners’ clinical practic- es. Medical Care Research and Review, 74, 431-451. doi:10.1177/1077558716649109. Published online May 13, 2016.
  • Barnes, H., Aiken, L.H., & Villarruel, A.M. (2016). Quality and safety of nurse practitionercare: The case for full practice authority in Pennsylvania. Pennsylvania Nurse, 71(4), 12-15.
  • Maier, C.B., Barnes, H., Aiken, L.H., & Busse, R. (2016). A descriptive, cross-country analysis of the nurse practitioner workforce in six countries: Size, growth, physician sub- stitution potential. BMJ Open, 6(9), e011901. doi:10.1136/bmjopen-2016-011901
  • Barnes, H., Rearden, J., & McHugh, M.D. (2016). Magnet recognition linked to better central line-associated blood stream infection rates. Research in Nursing & Health, 39, 96-104. doi:10.1002/nur.21709.
  • Barnes, H. (2015). Nurse practitioner role transition: A concept analysis. Nursing Forum, 50, 137-146. doi:10.1111/nuf.12078.
  • Brooks Carthon, J. M., Barnes, H., & Altares Sarik, D. (2015). Federal polices influence access to primary care and NP workforce. The Journal for Nurse Practitioners, 11, 526-530. doi:10.1016/j.nurpra.2015.01.028.
  • Barnes, H. (2015). Exploring the factors that influence nurse practitioner role transition. The Journal for Nurse Practitioners, 11, 178-183. doi:10.1016/j.nurpra.2014.11.004.
  • National Institute of Nursing Research #R01-NR014855. Panel study of effects of changes in nursing on patient outcomes. (PI: Aiken), 2014-2019. Role: Co-Investigator.
  • National Council of State Boards of Nursing. Business case for employment of hospital-based advanced practice registered nurses: Scope of practice, patient outcomes, nurse retention, financial impact, (PI: Cimiotti), 2015-2017. Role: Co-Investigator.
  • AcademyHealth New Investigator Small Grant Program. The longitudinal effect of scope of practice regulations on nurse practitioner supply, Medicaid acceptance, and access to care within physician practices, (PI: Barnes), 2016. Role: Principal Investigator
  • Eastern Nursing Research Society. Nurse practitioner workforce distribution and the effect of state-level scope of practice regulations on practice characteristics, (PI: Barnes), 2014-2015. Role: Principal Investigator.
  • Sigma Theta Tau Eta Beta Chapter. A study of nurse practitioner role transition through the examination of the specific rela- tionships of desire for feedback, desire for control, and the number of years of prior reg- istered nurse experience, (PI: Barnes), 2013-2014. Role: Principal Investigator.
Honors and Awards
  • Third Place PhD Poster, Eastern Nursing Research Society 26th Annual Scientific Sessions, 2014
  • Dr. Mary B. Walker Honorary Scholarship, Widener University, 2013