Our Team
Invested Local Physicians
Our forward-thinking leadership model pairs physicians with a dynamic executive nurse leader. This dyad model allows us to implement comprehensive and practical solutions to clinical, operational, and business challenges.
CLINICIANS, CAREGIVERS, COMMUNITY LEADERS, FAMILY

Ted Patras, MD, FACEP
President, Illinois Emergency Medicine Specialists
Dr. Ted Patras is a board-certified emergency medicine physician affiliated with multiple hospitals including UChicago Medicine AdventHealth Hinsdale, LaGrange, Bolingbrook, and Glen Oaks.

Herb Zerth, MD
Medical Director, UChicago Medicine AdventHealth Hinsdale
Dr. Herb Zerth is a board-certified emergency medicine physician affiliated with multiple hospitals including UChicago Medicine AdventHealth Hinsdale, LaGrange, Bolingbrook, and Glen Oaks.

Geoff Crabb, MD
Medical Director, UChicago Medicine AdventHealth LaGrange & Emergency Department Chair, UChicago Medicine AdventHealth Hinsdale and LaGrange
Dr. Geoff Crabb is a board-certified emergency medicine physician affiliated with multiple hospitals including UChicago Medicine AdventHealth Hinsdale, LaGrange, Bolingbrook, and Glen Oaks.

Eduardo Navarrete, MD
Medical Director, West Suburban Medical Center
Dr. Navarrete is a board-certified physician executive with over a decade of emergency medicine experience and is affiliated with West Suburban Medical Center.

John Moustoukas, MD, MBA, FACEP
Chief Quality Officer, Illinois Emergency Medicine Specialists, & Weiss Memorial Hospital Medical Director
Dr. Moustoukas is a board-certified physician executive with several years of healthcare experience and a proven track record of building value-based medical organizations.

John Lund, MD
Associate Medical Director for the East, IEMS

Harry Karydes, DO, FACEP
Physician Wellness Director, IEMS
Dr. Harry Karydes is a board certified emergency medicine physician and medical toxicologist affiliated with multiple hospitals including UChicago Medicine AdventHealth Hinsdale, LaGrange, Bolingbrook and Glen Oaks.

Erika Garcia Havelka, MD
Pediatric Physician Champion
Dr. Havelka is board certified emergency physician and is on staff at UChicago Medicine Advent Health Hinsdale, La Grange, Bolingbrook, and Glen Oaks hospitals.

Jill Ibrahim, APN
Lead APP
Jill Ibrahim is an Advanced Nurse Practitioner and the lead APP at UChicago Medicine AdventHealth Hinsdale. She is a member of the Emergency Nurses Association and the American Academy of Nurse Practitioners.

Breana Batton, MHA
Director of Operations
Breana Batton is the Director of Operations for IEMS working with all hospitals including the four UChicago Medicine AdventHealth system Hospitals: Hinsdale, LaGrange, Bolingbrook, Glen Oaks, and the Resilience System Hospitals: West Suburban and Weiss Memorial.