Center for Injury Research and Prevention

Melissa Pfeiffer, MPH

Melissa Pfeiffer CHOP CIRP
Senior Biostatistician

Melissa Pfeiffer is an MPH-trained epidemiologist with over 15 years of experience in public health research and disease surveillance. A Senior Biostatistician at the Center for Injury Research and Prevention (CIRP) at Children’s Hospital of Philadelphia, she has been working with the CIRP team as a data management and epidemiology consultant for five years, with primary responsibilities in data linkage, management, and analysis.

Ms. Pfeiffer’s recent research projects include the linkage of millions of New Jersey crash, licensing, and citation records to each other and to electronic health records to create the New Jersey Traffic Safety Outcomes Program (NJ-TSO) database; Ms. Pfeiffer has primary responsibility for continued linkages to and data management of this database. Additionally, she contributes to research efforts regarding concussions among youth, such as points of entry into care.

Ms. Pfeiffer’s expertise includes the linkage and management of large and complex databases, including those maintained for surveillance and reporting purposes and those that serve primarily administrative functions. She has extensive experience conducting and evaluating probabilistic and deterministic linkages using software such as QualityStage and SAS. She became a SAS-certified base programmer in 2003 and earned a SAS advanced programmer certificate in 2011. She has taught SAS classes at universities and public health departments and has written papers for SAS user group conferences.

Prior to joining CIRP, Ms. Pfeiffer worked for the New Mexico Department of Health, the New York City Department of Health and Mental Hygiene, and Mount Sinai School of Medicine.

Ms. Pfeiffer can be contacted at