All of our physicians are board-certified in pediatrics and they are Fellows of the American Academy of Pediatrics.

Lori A. Walsh, M.D. has been with Glenbrook Pediatrics since 1990. She completed her medical training at Northwestern University and her residency at Children's Memorial Hospital. She is a co-owner of the practice.	Patrick J. Gries, M.D. has been with Glenbrook Pediatrics since 1987. He completed his medical training at the Medical College of Wisconsin and his residency at Children's Memorial Hospital. He is a co-owner of the practice.	M. Regina Higgins, M.D. has been with Glenbrook Pediatrics since 1992. She completed her medical training at Loyola University and her residency at Children's Memorial Hospital. She is a co-owner of the practice.
Alison N. Escalante, M.D. has been with Glenbrook Pediatrics since July of 2007. She finished her medical training at Robert Woods Johnson Medical Center and her residency at Duke University and the University of Chicago. Michelle M. Groboski, M.D. has been with Glenbrook Pediatrics since November of 2005. She completed her medical training at Creighton University and her residency at the United States Naval Medical Center in Portsmouth, Virginia.