Our Providers
Judith A. Brown, M.D.
Dr. Brown graduated from Northwestern University with a B.A. in Psychology. She received her M.D. in New York and completed her Pediatric residency at Georgetown University Hospital, Washington D.C. She practiced Pediatrics for 3 years as the Director of Outpatient Pediatrics at Allegheny General Hospital, Pittsburgh before moving to Chicago. Dr. Brown has been with the practice since 1983 and is board certified.
Jonathan M. Kaufman, M.D.
Dr. Kaufman attended Colby College in Maine where he earned a B.S., with honors, in Mathematics. He attended Chicago Medical School, graduating in 1985. Dr. Kaufman finished his residency in Pediatrics at the University of Illinois, Chicago and was Chief Resident during the 1988-89 academic year. He is board certified and has been with the practice since 1989.
Michele M. Roig, M.D.
Dr. Roig attended Loyola University in Chicago. She graduated cum laude with a B.S. in Biology, minoring in chemistry and English. Dr. Roig attended Indiana University College of Medicine, receiving her M.D. in 1995 and completed her residency training at Riley Hospital for Children, Indianapolis. Dr. Roig has also done research in Physiology and Neuroanatomy. She is board certified and has been with the practice since 1998.
Darryl Colen, D.O. 
Dr. Colen attended the University of Illinois in Urbana, IL. He graduated from Chicago College of Osteopathic Medicine and completed his Pediatric residency training at the Univeristy of South Florida in 2002. After 3 years of practice in Florida, he moved back home to the Chicago area to practice. Dr. Colen is board certified in Pediatrics.
Margaret Stefani, 
D.O.
Dr. Stefani attended Kenyon College in Ohio. She graduated cum laude with a B.A. in Neuroscience. She attended the Chicago College of Osteopathic Medicine then completed her residency at Loyola University Medical Center. She joined the practice in 2009.
Patricia Giannoni, A.P.N., M.S., C.P.N.P.
Mrs. Giannoni attended St. Xavier College and earned a B.S. in nursing. She worked in Pediatrics at Rush Presbyterian St. Lukes Medical Center and with Northwestern Medical Faculty Foundation before obtaining her masters degree in the PNP program at the University of Illinois. Pat maintains certification annually.
Providers