Washington, D.C.

Pediatric Clinical Research Site

Meridian's Washington D.C. (Pediatrics) location partners with Spring Valley Pediatrics to conduct clinical trials to help develop better treatments for local patients, and for people worldwide. This location performs clinical studies related to conditions that affect children and adolescents under the age of 21.

About this research site

Meridian partners with Spring Valley Pediatrics to perform pediatric clinical trials in Washington, D.C. Spring Valley Pediatrics provides personalized care for infants, children, adolescent children, and young adults. Founded in 1930, the practice was one of the first medical offices focused on the care of infants and children in the Washington area.

Join a clinical trial in Washington, D.C.

For more information about joining a clinical trial in Washington, D.C.complete the form at the bottom of this page. After you submit your information, a Meridian enrollment specialist will call you to talk about the study. There is no obligation to join — you decide if the study is right for you or your child.

Participating in a study is an important decision — we’re here to help you before, during, and after studies.

Phone: (912) 623-2240 (call center)

Phone: (202) 998-3833 (clinic)

Meridian Clinical Research
4910 Massachusetts Ave NW, Suite 315
Washington, DC 20016

Clinical Research Partner Website

Monday through Thursday, 8 a.m. - 5 p.m.
Friday, 8 a.m. - 3 p.m.

Upcoming pediatric research studies in Washington, D.C.
Sign up below to speak with an enrollment specialist about available studies or follow Meridian on Facebook for study updates and more.

Meridian Clinical Research - Washington, D.C. is located inside the Spring Valley Pediatrics clinic.

Meet Your Physicians

Every clinical trial is overseen by a Principal Investigator – a physician who is responsible for the rights, safety and welfare of the study participants. Research studies at our Washington, D.C. research site are conducted in partnership with the following physicians at Spring Valley Pediatrics.

Joanna Sexter, MD

Joanna Sexter, MD, FAAP

  • Board-certified pediatrician who has been in private practice in Washington, DC since 2000.
  • Fellow of the American Academy of Pediatrics, member of the DC Osler Medical Society and Foxhall Women Physicians Association.
  • Recognized as one of Washingtonian magazine’s Top Doctors in Pediatrics.
  • Clinical Instructor on staff at Georgetown University Hospital; Assistant Clinical Professor of Pediatrics at the George Washington University Hospital; medical staff member at Sibley Memorial Hospital.
  • Completed undergraduate studies at Tufts University where she earned a BA in Child Study.
  • Earned her medical degree from The George Washington University School of Medicine.
  • Completed a pediatric residency at Georgetown University Hospital where she was recognized as Resident of the Year.
Peter Warfield, MD

Peter Warfield, MD, MPH, FAAP

  • Fellow of the American Academy of Pediatrics and a member of the Washington, D.C., Osler Medical Society.
  • Cares for children of all ages with an emphasis on childhood development as well as sports medicine and adolescent medicine.
  • Recognized as one of Washingtonian magazine’s Top Doctors.
  • Serves as the Consulting Pediatrician for several schools in the Washington area.
  • Completed undergraduate studies at the University of Richmond and earned a Masters of Public Health degree at the George Washington University.
  • Graduated from University of Rochester School of Medicine and Dentistry in Rochester, NY.
  • Completed a pediatric residency at The Golisano Children’s Hospital at University of Rochester’s Strong Memorial Hospital.
Expect Excellence icon - supporting research since 1999

Sign up for a clinical trial in Washington, D.C.