Pediatric Residency faculty

Caring for patients alongside residents at Advocate Children's Hospital - Oak Lawn are academic clinicians who are among the most highly regarded and accomplished physicians in Chicago, representing the full spectrum of pediatric subspecialties. They have been recruited from major teaching institutions throughout the country to a medical center with a vision of growth, quality health care, the opportunity for teaching and scholarly activity, and altruism.

Program leadership:

Kent Nelson

Kent Nelson, MD

Specialty:
General Pediatrics and Academic Medicine
Title:
Program Director
Additional Information:

(he/him/his)
MD: University of Illinois at Chicago School of Medicine
Residency in Pediatrics: Advocate Christ Medical Center
Academic Interests/Projects: Information Technology in Student and Resident Education, Continuing Medical Education

Sonali Mehta Patel

Sonali Mehta Patel, MD

Specialty:
General Pediatrics and Academic Medicine
Title:
Associate Program Director
Additional Information:

(she/her/hers)
MD: University of Illinois at Chicago School of Medicine
Residency in Pediatrics: Advocate Christ Medical Center
Academic Interests/Projects: Pediatric Vision Assessment, Pediatric Oral health, Physician Wellness, and Cost Effective Care.

Ashley Colberg Sabo

Ashley Colberg Sabo

Specialty:
General Pediatrics and Academic Medicine
Title:
Associate Program Director
Additional Information:

(she/her/hers)
MD: Chicago Medical School at Rosalind Franklin University of Medicine and Science
Residency in Pediatrics: Advocate Christ Medical Center/Advocate Children's Hospital-Oak Lawn
Academic Interests: Breastfeeding Medicine, Primary Care Education and Quality Improvement, and Mental Health Diagnosis/Treatment

Alison Hornyak

Alison Hornyak, DO

Specialty:
Pediatric Infectious Diseases
Title:
Assistant Program Director
Additional Information:

(she/her/hers)
DO: Midwestern University - Chicago College of Osteopathic Medicine
Residency in Pediatrics: Advocate Christ Medical Center/Advocate Children's Hospital-Park Ridge
Fellowship in Pediatric Infectious Diseases: University of Michigan - C. S. Mott Children's Hospital
Academic Interests: Primary immunodeficiency, infections in immunocompromised hosts, travel medicine, antibiotic stewardship, medical education, boards preparedness, residency success with mental and physical health challenges

Pediatric clinic attendings

Leah Van Slambrouck
Leah Van Slambrouck, MD, FAAP
Specialty:
General Pediatrics and Academic Medicine
Additional Information:

(she/her/hers)
MD: University of Illinois School of Medicine
Residency in Pediatrics: University of Chicago
Academic Interests: General Pediatrics and Preventative Medicine, Resident Education

Jeremy Daigle
Jeremy D. Daigle, MD FAAP
Specialty:
General Pediatrics and Academic Medicine
Additional Information:

(he/him/his)
MD: LSU School of Medicine - New Orleans
Residency: University of Chicago
Academic Interests: General Pediatrics, Resident Education, and Childhood Obesity

Clare Crosh
Clare Crosh DO FAAP
Specialty:
General Pediatric and Academics Medicine
Additional Information:

(she/her/hers)
DO: Chicago College of Osteopathic Medicine/Midwestern University
Residency in Pediatrics: Advocate Christ Medical Center/Advocate Children’s Hospital-Oak Lawn
Fellowship: General Academic Fellowship at Cincinnati Children’s Hospital and Medical Center
Academic Interests/Projects: Literacy, Early childhood education, Health equity, Medical Education, Advocacy

Vice-Chair, Pediatrics

Mark M. Butterly

Mark M. Butterly, MD

Specialty:
General Pediatrics and Academic Medicine Division Head
Title:
Vice-Chair, Pediatrics
Additional Information:

(he/him/his)
MD.: Loyola University
Residency in Pediatrics: Advocate Christ Medical Center
Academic Interests: Developmental Screening, Healthy Steps and Primary Care, Service Recovery, and Patient Satisfaction.

Pediatric hospitalists

Steven Marek
Steven Marek, MD
Title:
Program Director
Email:
steven.marek@aah.org
Additional Information:
Steve Marek obtained his medical degree from Rosalind Franklin University’s Chicago Medical School. He completed his pediatric residency training at Johns Hopkins University and a pediatric hospital medicine fellowship at Children’s National Hospital. He has been practicing as a hospitalist at Advocate Children’s Hospital since 2017.

Hospital-based faculty