Our Staff/Hours

Pediatric Care

John H. Beckerman, M.D. FAAP is a board-certified pediatrician in practice since 1989. He opened this practice in 1994 in Barrington.  He is a graduate of the University of Chicago Pritzker School of Medicine. Dr. Beckerman is the chairman of the Department of Pediatrics at Advocate Good Shepherd Hospital. Most recently he was named one of the top doctors in the Chicago area by US News and World Reports and one of Chicago’s Favorite KidsDocs by Chicago Parent.

Kathleen Lockhart, M.D. FAAP is a board-certified pediatrician. She has been in practice since 1993 and did her residency at Children’s Memorial Hospital. She joined Pediatric Care in 1999.

Claudine Baggio, D.O. FAAP is a board-certified pediatrician and has been in practice since 1999. She did her training at Advocate Lutheran General . She joined Pediatric Care in 2002.

Heidi Kramer, M.D. FAAP is a board-certified pediatrician and joined Pediatric Care in 2005. She did her residency at Advocate Christ Hospital.  She has been in practice since 2000.

Kathleen Bezdek, APN is our Pediatric Nurse Practioner. She is Masters level trained and above. She does routine well child care and sick visits and is also a lactation consultant. She has over twenty years of practice experience.


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