Professional Bio


  • Ph.D., University of Northern Colorado
  • Pediatric Nurse Practitioner (PNP) Certification, University of Colorado Health Sciences Center
  • M.A., University of Kansas
  • B.S.N. University of California

Professional Memberships

  • Alliance for Clinical Education (ACE), Co-Chair, Elected, 2011-2012
  • Clinical Journal of Oncology Nursing, Editorial Board, Reviewer, Appointed, 2005-present
  • Colorado State Board of Nursing, Chair of Discipline Panel B, Appointed, 2013-2015
  • Colorado State Board of Nursing, Professional Nursing Representative, Board Member, Appointed, July 2010-July 2015
  • Journal of the Association of Pediatric Oncology Nurses, Editorial Board, Senior Reviewer, Appointed, 2005-present
  • Oncology Nursing Society
  • Colorado Nurses Association (CNA)
  • Sigma Theta Tau International Honor Society of Nursing (STTI)
  • Alpha Sigma Nu

Clinical Expertise & Certifications

  • National Board of Pediatric Nurse Practitioners
  • Pediatric Hematology-Oncology

Research & Scholarship

Research Interests

Pediatric Hematology-Oncology

Recent Publications

Sands SA, Zhou T, O'Neil S, Allen J, Cullen P, Kaleita TA, Noll R, Sklar C and Finlay JL (In Press). Long-term follow-up of quality-of-life and neuropsychological functioning of children treated for malignant intracranial gliomas: Children's Oncology Group L991. Journal of Clinical Oncology.

Madden JR, Mowry P, Gao D, Cullen P and Foreman NK (2010). Creative arts therapy improves quality of life for pediatric brain tumor patients receiving outpatient chemotherapy. Journal of Pediatric Oncology Nursing 27: 133-145.

Recent Presentations

Cullen, P. (April 11, 2013) Use of Reflection to Foster Professional Development in Nurse Practitioner Students, Western Institute of Nursing : 46th Annual Communicating Nursing Research Conference, Anaheim, CA.

Cullen, P. (June 27, 2012) Functional Status, Behavior, Executive Function and Quality of Life in Children Undergoing Treatment for Standard-Risk Medulloblastoma: The Children’s Oncology Group Experience, 15th International Symposium on Pediatric Neuro-Oncology, Toronto, Canada.

Cullen, P. (May 11, 2012) Keynote Address, 1st Regional Symposium on Nursing Research and Evidence-Based Practice, Swedish Medical Center and Craig Hospital, Denver, CO.

CNS Tumors: A Story of Passion for Saving and Improving Lives and Neurons Through Clinical Trials. Association of Pediatric Hematology-Oncology Nursing 35th Annual Conference, Anaheim, CA, 2011.

Diagnosis, Evaluation, and Follow-Up of Children, Adolescents, and Young Adults with Cancer for the Primary Care Provider. National Nurse Practitioner Symposium, Copper Mountain, CO, 2011.

Research Update: ACNS0331 (StandardRisk Medulloblastoma) and ACNS0221 (Conformal Radiation for Low Grade Glioma). Children's Oncology Group National Meeting, Los Angeles, CA, 2010.

Clinical Trials for Adolescent and Young Adult Patients: Central Nervous System Tumors. Children's Oncology Group and Association of Pediatric Hematology-Oncology Nurses National Meeting, Dallas, TX, 2009.

Functional Status and Quality-of-Life in Chlidren with Central Nervous System Tumors. Children's Oncology Group National Meeting, Dallas, TX, 2009.

Functional Status, Behavioral Adjustments, and Quality-of-Life in Children with CNS Tumors: A Report from the Children's Oncology Group. Nursing Grand Rounds, The Children's Hospital, Denver, CO, 2009.

Awards & Recognition

  • Outstanding Doctoral Student, University of Northern Colorado, 2008
  • Outstanding Dissertation Award, University of Northern Colorado, 2008