Our Team

Invested Local Physicians

Illinois Emergency Medicine Specialists (IEMS) is an emergency medicine group with a unique independent partnership and ownership model that attracts emergency medicine professionals seeking a culture of accountability and innovation necessary to meet today’s healthcare challenges. We know that exceptional patient care begins with extraordinary people. For over 30 years, our independent group of emergency medicine physicians created engaged, dedicated, and innovative leaders in medicine.

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.

Richard A. Phillips, MD, MBA

Regional Medical Director, Illinois Emergency Medicine Specialists &
Medical Director, UChicago Medicine AdventHealth Glen Oaks

Dr. Richard Phillips 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.

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.