Amanda Jimenez Barquero, MD

Board certified by the American Board of Pediatrics, Dr. Amanda Jimenez Barquero joined the rheumatology team at Valley Children’s Specialty Medical Group in September 2026.

Dr. Jimenez Barquero received her medical degree from the University of Medical Sciences in San José, Costa Rica. She completed her pediatric residency at Sparrow Hospital through Michigan State University, where she served as Chief Resident in her final year. She went on to complete her fellowship in pediatric rheumatology at Children’s Wisconsin, affiliated with the Medical College of Wisconsin.

Throughout her residency and fellowship, Dr. Jimenez Barquero played an active role in teaching, program development and research. She led collaborative workgroups and delivered interactive lecture series for fellowship rotators. She also managed quality improvement projects within her department and collaborated with the county health department on initiatives aimed at increasing vaccination rates through staff education. Additionally, Dr. Jimenez Barquero has developed and taught portions of the resident didactics curriculum. She even created a patient program called “Fever Diary,” which was implemented as a hospital-wide teaching material at Children’s Wisconsin. Her research includes an original publication in Pediatric Annals and oral presentations on pediatric rheumatology.

Dr. Jimenez Barquero is a member of several professional organizations, including the American College of Rheumatology, the Childhood Arthritis and Rheumatology Research Alliance, the American Academy of Pediatrics and the American Medical Association.

She is also involved in community service, volunteering with children and families, supporting health advocacy initiatives and participating in outreach for individuals facing challenges.