Pediatricians

Our pediatricians are Fellows of the American Academy of Pediatrics.  Pediatricans who maintain their FAAP designation have obtained board certification in pediatrics and made an ongoing commitment to lifelong learning and advocacy for children.

Erin O'Brien, MD, FAAP
Erin O'Brien, MD, FAAP

Dr. O'Brien was born in Chicago and attended Loyola University where she earned a B.A. in sociology.  She attended Rush Medical College and received her M.D. in 2000.  She completed her pediatric residency in 2003 at Rush Presbyterian St. Luke's Medical Center in Chicago.

Jason Tjaden, MD, FAAP
Jason Tjaden, MD, FAAP

Dr. Tjaden was raised in downstate Vandalia and received his B.S. with honors in biochemistry from the University of Illinois Urbana-Champaign.  He attended medical school at the University of Illinois Peoria and completed his residency in pediatrics at Cincinnati Children's Hospital Medical Center where he received an Adolescent Medicine Award in recognition of his achievements in adolescent medicine.

P: 847-658-6065

F: 847-658-6136

 

301 N Randall Rd

Lake in the Hills, IL 60156

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 PATIENT PORTAL

** BULLETINS **

 

FORMULA SHORTAGE

 

COVID-19

 

COVID TESTING SITES 

(as of 12/28/21)

 

11/02/21:  Pfizer COVID vaccine approved for EUA in kids 5 through 11

 

01/04/22 Pfizer COVID booster vaccine approved for children 12 and up, 5 months from 2nd shot

 

CMG VACCINATION

POLICY STATEMENT

Open Letter to Parents
VPS 1.1.16.pdf
Adobe Acrobat Document 136.6 KB

IL VACCINATION REQUIREMENTS

Required Vaccines for IL Schools
MinImmzReq.pdf
Adobe Acrobat Document 180.9 KB