PRA Health Sciences, Lenexa

Center Information

Anne Nevitt
Director of Clinical Research Services
PRA Health Sciences, Lenexa
9755 Ridge Dr.
Lenexa, KS 66219

Currently Enrolling Trials

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Therapeutic Areas

Cardiology/Vascular Diseases
Healthy Volunteers
Infections and Infectious Diseases
Pulmonary/Respiratory Diseases


PRA’s clinic in Lenexa, Kan., is a state-of-the-art research center, near metropolitan Kansas City, Mo. With a 114-bed capacity, the Lenexa facility features experienced and client-focused project teams that are dedicated to supporting your recruitment timelines and clinical needs. We offer scientific consulting for study design and protocol development, as well as expedited regulatory approval, an in-house pharmacy and full bioanalytical and data support services


Daniel S. Dickerson, MD, PhD, FAAFP
Research Physician and Medical Director

Dr. Daniel S. Dickerson has served as research physician and medical director at PRA’s clinic in Lenexa, Kan., since August 2014. Board-certified in family medicine, Dr. Dickerson also serves as a clinical instructor for the University of Kansas School of Medicine (KU SOM), a position he has held since 2002. He currently serves as a member of the Governmental Advocacy Committee for the Kansas Academy of Family Physicians.

Prior to joining PRA, Dr. Dickerson practiced family medicine for 15 years, including 12 years at Eudora Family Care in Eudora, Kan. He earned his doctor of medicine from KU SOM in 1996, later completing a residency in family medicine in 1999 through the University of Kansas Medical Center and Olathe Family Practice. Dr. Dickerson also holds a doctor of philosophy in chemistry in 1994 from the University of Missouri.

Dr. Dickerson has received several professional honors during his career, including being named the Preceptor of the Year in 2012 by KU SOM and being honored as the Rainbow Award (Hero in Medicine) recipient in 2006 by the KU SOM. In 2005, he was also recognized with Foundation Teaching Award by the American Academy of Family Physicians (AAFP). Additionally, Dr. Dickerson was inducted as a fellow of the AAFP in 2002.

Greg Appenfeller, MD
Principal Investigator

Dr. Greg Appenfeller has served as a research physician at PRA’s clinic in Lenexa, Kan., since December 2016. He serves as a sub-investigator, performing screening assessments to evaluate whether volunteers meet qualification criteria for various studies, ensuring adherence to clinical trial protocols and providing medical care for study participants.

Prior to joining PRA, Dr. Appenfeller practiced as an anesthesiologist in the Kansas City area for more than 25 years, most recently serving as a staff anesthesiologist for nearly 13 years at Olathe Medical Center in Olathe, Kan. He earned his doctor of medicine from the University of Kansas School of Medicine in 1983 before completing a residency in anesthesiology through the University of Rochester (N.Y.) in 1986.


PRA Health Sciences regularly implements detailed recruitment plans to ensure successful enrollment in a wide variety of study populations. Our Lenexa clinic recruits from the nearby metropolitan Kansas City area and using our own database of more than 26,000 active volunteers. In addition to making outbound calls from our well-equipped call center, we utilize a variety of other means to advertise studies, including traditional print, radio and TV advertising, as well as emails, text messages, automated call blasts, Facebook posts, Craigslist posts and more.

Contact Center

If you are interested in contacting this center to discuss clinical trials, please complete and send the email form below. A representative from the research center will then follow up with you.