EMS Providers

EMS Program Administration

Matt Johnston, MD

Dr. Matt Johnston is the EMS Medical Director. Matt earned his degree from Saint Louis University School of Medicine and completed residency in Emergency Medicine at the University of Illinois, College of Medicine in Peoria, Illinois. Matt is ABEM board certified. He has been working at Memorial in the Emergency Department since 2003.

Matt has served as the director of physicians at Taylorville Memorial Hospital Emergency Department. In 2013 Dr. Johnston was selected as faculty member of the year for the Southern Illinois School of Medicine Emergency Medicine Residency Program.

Matt and his wife Linda have three teenage children. In his spare time Matt enjoys making and collecting wine and classic cars like his ’65 Cobra replica.

Dr. Johnston can be reached at johnstLM@att.net or 217-788-3973.

Sven Steen, MD

Sven Steen, MD, is the Associate EMS Medical Director for the Memorial EMS System. Dr. Steen assists with protocol development and training in addition to his role as Medical Director assigned to Chatham Fire Department. A native Springfield, Dr. Steen graduated from Springfield High School before attending Augustana College and the University of Iowa, Carver College of Medicine. When not focused on the responsibilities of completing Emergency Medicine Residency, Dr. Steen enjoying spending time with his family, swimming and barbecuing.

Dr. Steen can be reached at ssteen81@siumed.edu or 217-545-8000.

Sara Brown, M.Ed, EMT-P

Sara Brown is the Emergency Medical Services Coordinator for the Memorial Medical Center Resource Hospital. Sara started in EMS as a First Responder with Winchester EMS in 1996 and has experience working as a full time paramedic, as a member of a volunteer fire department and as a tech in the ED here at Memorial.

In the role as coordinator Sara sees her responsibilities as threefold: to help agencies provide the best training possible, to improve communication throughout the system and provide customer service to the EMS providers so that they provide better service to their patients.

Sara’s interests include traveling to sunny locations, going to watch the Cardinals and letting the dog take her for a walk.

Sara Brown can be reached at Brown.Sara@mhsil.comor 217-788-3973.

Tami Carpenter, MS, NREMT-P

Tami Carpenter is a full-time EMS Education Facilitator. Tami is a long standing member of the Springfield EMS community with twenty-five years of EMS experience in the city of Springfield. Additionally, Tami has worked for the Organizational Leadership and Development branch of Memorial Medical Center as ACLS and PALS instructors for several years.

Tami holds an Illinois Lead Instructor license and is a PHTLS instructor. In her new role, Tami will continue to focus on improving education quantity and quality for System providers. Her position coincides with the upcoming completion of the Memorial Center for Learning and Innovation scheduled for Spring 2015.

Tami will be the contact person for re-licensure, questions, and continuing education for Memorial EMS System providers.

Tami can be reached at Carpenter.Tami@mhsil.com or 217-757-2004.

Tadd Schroeder, RN, CCRN, TNS

Tadd Schroeder is the Critical Care Transport Program Coordinator for the Memorial EMS System. Tadd began his career in EMS as a First Responder with Pawnee Fire Department in 1999. Tadd has been a member of the Chatham Fire Department since 2007 where he holds the position of Firefighter/ EMT-I. Tadd has worked for transport providers in the Springfield community.At Memorial Tadd began as an Emergency Department tech while attending nursing school. The Emergency Department was his first nursing assignment. Since 2008 Tadd has worked in the Surgical ICU where he serves as charge nurse, preceptor, and UBC chairperson. Tadd and his wife Jill live in Chatham and enjoy many outdoor activities especially motorcycle rides on their Harley.

Tadd Schroeder can be reached at Schroeder.Tadd@mhsil.com or 217-788-3973.

Nathan Jones, MD

Dr. Nathan Jones joined the Emergency Department at Memorial in 2012. Nathan grew up in Effingham, Illinois. He attended the University of Illinois at Champaign-Urbana for his undergraduate degree in Biology. While there, he trained as an emergency medical technician. His work as an emergency medical technician throughout Southern Illinois would later influence him to pursue Emergency Medicine as a career.

He attended the Southern Illinois University School of Medicine for his degree in medicine. Nathan then completed an Emergency Medicine residency at the University of Illinois, College of Medicine at Peoria before returning to Springfield, Illinois to work at Memorial Medical Center.

In his spare time, Dr. Jones enjoys spends time with his wife and two children. He is also interested in medical missions and has spent a great deal of time overseas on short term mission trips.

Dr. Jones can be reached at or 217-788-3973.

Jenn Davis, RN, BSN

Jennifer Davis serves as the Nurse Manager for the Emergency Department. Jenn grew up in Taylorville and graduated with a BSN from Millikin University in Decatur. Prior to joining the management team, Jenn worked as a staff nurse in the Emergency Department and has experience with multiple ER’s from her experience working as a travel nurse. Jenn is currently working on her masters’ degree in business. In her spare time she enjoys running races and spending time with family and friends.

Jennifer Davis can be reached at Davis.Jennifer2@mhsil.com or 217-788-0165.

Tamara Leone, RN, BSN

Tamara is the full-time Emergency Preparedness Manager. She began her medical career as an EMT-B, and pursued a Bachelors of Nursing while serving in the 183rd Illinois Air National Guard after transferring from the U.S. Navy as a trauma nurse.

She currently serves in as a Medical Planner for the Air Component Operations Squadron at the rank of Captain. In her role as Emergency Preparedness Manager, Tamara will lead the hospital’s disaster planning and response efforts.

For the EMS staff, Tamara will be involved in disaster drill planning and implementation both on a large and small scale. Tamara will head the Regional Hospital Coordination Center in the Hospital Preparedness Program and as well as work with leaders in the Local Emergency Planning Committee. Both functions serve as responsibilities of EMS Systems under the Illinois EMS Act.

Tim Harvey, MD

Dr. Tim Harvey has served as the Director of Memorial Medical Center Emergency Department since 2007. Dr. Harvey is native to Springfield, having graduated from Griffin High School. He earned his undergraduate and graduate degrees from the University of Illinois and Boston College, respectively. Dr. Harvey returned to the Springfield area for medical school, attending Southern Illinois University’s School of Medicine before completing residency at Indiana University.

Dr. Harvey has worked in the Emergency Departments of Memorial Medical Center and Taylorville Memorial Hospital since completing residency.

Dr. Harvey is a father to five children and when he has free time, enjoys fishing, and tennis.

Dr. Harvey can be reached at Harvey.Timothy@mhsil.com or 217-788-3156.

Joanna Shearer

Joanna Shearer is the Administrative Assistant in the EMS Office. Joanna has been with Memorial for since 2010. Joanna coordinates EMT student clinical time and assists with Emergency Department staff scheduling. Joanna is vital in assisting specialty departments (trauma, cath lab, neuro) obtain pre-hospital run reports. In her spare time you will find Joanna watching sports (cheering on Springfield High), travelling, and spending time with her family.

Joanna Shearer can be reached at Shearer.Joana@mhsil.com or 217-788-4506.

Drew Early, MHSA

Drew Early joined Memorial in 2006 when completing an administrative fellowship. Drew is a native of Michigan and a huge fan of the University of Michigan, his alma mater.

Drew has worked with Business Development and the Express Cares previously and now is the Administrator for the Emergency Department, Emergency Medical Services and Cardiovascular Services.

In his time away from work, Drew is a great sports enthusiast and enjoys attending those events with his wife Krista.

Drew Early can be reached at Early.Drew@mhsil.com or 217-788-0006.