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Faculty
Faculty Physicians
John Bradley, M.D.
John Bradley, M.D.,MMM., Director
     Dr. Bradley is Professor and Interim Chair of the Department of Family and Community Medicine. He has directed the Decatur Family Medicine Residency since 1991. He has been Chairman of the Board for SIU Healthcare and was interim CEO for 19 months.He is heavily involved in the development and early implementation of the SIU Physicians and Surgeons practice plan. Dr. Bradley also recently served on the schools Research Policy Committee and is formerly a member of the Admissions Committee. Dr. Bradley was named Illinois Academy of Family Physicians Teacher of the Year in 1996. Dr. Bradley also serves on the Board of Directors for the Decatur Federally Qualified Health Center. He is currently involved in a comprehensize practice redesign project at the residency. He has authored serveral publications including co-authoring with Dr. Charles Ellington, The Physician's Pocket Lawyer, a practical legal guide to topics such as malpractice and risk management, medical ethics, emergent and end of life decisions, licensure, legal aspects of practice management, and legal aspects of a variety of common medical encounters. He practiced in rural south Missouri and was previously a faculty member at the University of Kansas School of Medicine in Wichita.
Medical Degree: University of Missouri at Columbia
Residency: SIU School of Medicine - Springfield
MMM: Tulane University
Memberships: A.M.A., A.A.F.P., I.A.F.P., S.T.F.M.
Jessie Junker, M.D.

Jessie Junker, M.D.,MBA., Executive Associate Director
Dr. Junker was residency director then program director at the New Hanover Regional Medical Center Family Medicine Residency Program in Wilmington, North Carolina for 10 years before coming to SIU in December of 2006.  Prior to that she was faculty then program director of the Duke / SRAHEC Family Medicine Residency in Fayetteville, North Carolina for five years.  Dr. Junker has spent her entire career in academic Family Medicine and has taught residents and students.  She has also published several FPINs in collaboration with Family Medicine residents.  Dr. Junker's interest is in curriculum design and practice management.
Medical Degree: Medical College of Wisconsin
Residency: SIU Quincy Family Medicine Residency Program
Fellowship: Academic Medicine, Duke University
MBA: University of North Carolina - Wilmington
Memberships: A.A.F.P., S.T.F.M., I.A.F.P, and A.F.M.R.D.

Cesar Arguelles, M.D.
Cesar Arguelles, M.D., Assistant Director
     Dr. Arguelles has a great expertise in health information technology and will play a large role in guiding the implementation of the AllScripts electronic medical record in 2014. Dr. Arguelles is a native of the Phillipines.
Medical Degree:Rosalind Franklin University / The Chicago Medical School
Residency: SIU Decatur Family Medicine Residency Program
Incharge Of: Director of Informatics, Resident recruiting trips
Memberships: A.M.A., A.A.F.P., I.A.F.P., S.T.F.M., I.S.M.S
Susan Klein, M.D.
Susan Klein, M.D., Assistant Director
     Dr. Klein was in private practice from 1993-1998 in Clinton, IL. She is responsible for the development and maintenance of the program for resident evaluations, resident competencies, and Patient Centered Medical Home and mentoring residents. She is a native of Central Illinois.
Medical Degree: University of Illinois - Chicago
Residency: SIU Decatur Family Medicine Residency Program
Incharge Of: Program evaluation, PCMH
Memberships: A.A.F.P., I.A.F.P., S.T.F.M.
Charles Ellington, M.D.
Charles Ellington, M.D.,JD., Assistant Director
     Dr. Ellington was in private practice from 2000-2004 in Arthur, IL. He has served on the boards of multiple community organizations. He completed a health policy fellowship at Georgetown University School of Medicine and The Robert Graham Center for Policy Studies in Primary Care in 2005. He was also named Preceptor of the Year at Georgetown University Family Medicine Residency in 2005. His research interests include tort reform, medical ethics, and access to care. Dr.'s Ellington and Bradley co-authored a book entitled Physicians' Pocket Lawyer.
Medical Degree / Juris Doctor Degree: Southern Illinois University School of Medicine
Residency: SIU Decatur Family Medicine Residency Program
Fellowship: Health Policy, Georgetown University School of Medicine
Memberships: A.A.F.P., I.A.F.P.
, I.S.M.S, A.M.A., S.T.F.M.
Mark Scott, M.D.
Mark Scott, M.D., Assistant Professor
     Dr. Scott was in private practice in Decatur for 10 years prior to joining the SIU Family Medicine Residency Program in 2009. He previously was an Assistant Professor at the University of Kentucky College of Medicine in the Department of Family Medicine and residency director of the Lexington program from 1997-199. Dr. Scott leads FCM Decatur's Continuous Quality Improvement Committee. Dr. Scott's interest is in quality improvement and patient safety.
Medical Degree: Southern Illinois University School of Medicine
Residency: SIU Decatur Family Medicine Residency Program
Memberships: A.A.F.P., I.A.F.P.
S.T.F.M
Justin Parker, M.D.
Justin Parker, M.D., Assistant Professor
     Dr. Parker graduated from the SIU Decatur Family Medicine Residency Program and became the Assistant Director at the program in July 2013. Prior to this, he completed his undergrad at Butler University and received his Medical Degree at the SIU School of Medicine in Springfield, IL. He is in charge of the didactics at the residency program.
Medical Degree: Southern Illinois University School of Medicine, Springfield
Residency: SIU Decatur Family Medicine Residency Program
Memberships: A.A.F.P., A.M.A., I.S.M.S, S.T.F.M
Laura Law, PA-C
Laura Law, MPAS, PA-C, Physician Assistant
     Laura earned her Physician Assistant degree at the Southern Illinois University Physician Assistant Program in Carbondale and her Master of Physician Assistant Studies from the University of Nebraska Medical Center. She began working for the SIU Family Medicine Residency Program in 2005 in Decatur.  Prior to re-joining our practice she worked as a Physician Assistant and Clinical Assistant Professor at the SIU Carbondale Family Medicine Residency Program and SIU Physician Assistant Program from 2008-2010. She also has one year experience as a Physician Assistant in the Decatur Memorial Hospital Emergency Care Center.  In addition to clinical practice, Laura is also an active member of our Patient-Centered Medical Home Committee.
Dennis Petty, Clinical Instructor in Behavioral Science
     Dennis began coordinating the behavioral science curriculum for Decatur Family Practice Residency Program in October of 2007.  After working as a medical social worker at Carle Foundation Hospital and Clinic, Dennis spent 20 years supervising and developing counseling programs throughout central Illinois. As an Approved Supervisor of the American Association for Marriage and Family Therapy, Dennis trained master’s level interns and licensed counselors in family therapy and mental health counseling. In 2002 he was recognized as Social Worker of the Year for the Springfield area by the National Association of Social Work.  

Degrees: B. A. in Psychology, University of Illinois – Urbana
                Masters in Social Work, University of Illinois – Urbana
                Masters in Divinity, Lincoln Christian Seminary – Lincoln, Illinois
Post Graduate: Coursework in Family Systems Therapy
Memberships: Approved Supervisor, American Association for Marriage and Family Therapy
                      Former President, Human Services Educational Council 
                      National Association of Social Workers
                      Society of Teachers of Family Medicine

 
 
Associate Faculty Physicians
Dennis Costerisan, M.D.
Dennis Costerisan, D.O., Associate Faculty Physician
     Dr. Costerisan is in private practice in Mount Zion, IL. He is board certified in Family Medicine. Dr. Costerisan presently serves our program by providing obstetric supervision for our resident's patients.
Doctor of Osteopathic Medicine Degree: University of Osteopathic Medicine and Health - Des Moines, Iowa
Residency: University of Illinois Family Practice Program - Rockford, IL
Adel Hanna, M.D., MRCOG, FRCSed
Adel Hanna, M.D., MRCOG, FRCSed, Associate Faculty Physician
     Dr. Hanna is in practice in Decatur, IL.  Dr. Hanna presently serves our program by providing obstetric supervision for our resident's patients.
Master's Degree in Obstetrics & Gynecology:
University of Cairo School of Medicine - Cairo, Egypt
Residencies:
Oakwood Hospital & Medical Center - Dearborn, MI
Royal Oldham Hospital - Oldham, England
St. Columcille's Hospital - Dublin, Ireland
 
 
Physician Assistants
Wayne Mathews
Wayne Mathews, P.A.-C, Assistant Professor, PA Program
     Wayne Mathews is a certified Physician Assistant who has a Certificate of Added Qualification in Emergency Medicine. Wayne is a graduate of the University of Nebraska Physician Assistant Program, and also has a graduate degree in Epidemiology from the University of Illinois. He has 31 years of experience as a P.A. He also holds a research position with Family Medicine in Patient Oriented Outcome Research, and assists the department with training of both Residents and Physician Assistants.
 
 
Physician Assistant Students
 

Alyse Curry
Will Miller
Janelle Olson

 
 
Administrative Staff
Annette Gilson, Medical Services Administrator
Annette Gilson, Family Medicine Administrator
     Annette joined SIU School of Medicine in 1995 and has been the Family Medicine Administrator in Decatur since 1997. She oversees the administrative aspects of clinical operations, budget preparation and management, grant and contract administration, human resources, and community relations at the department's residency program and medical offices. She graduated from Millikin University, in Decatur, Illinois with a Bachelor of Science degree in Accounting. Prior to joining SIU, she worked for Decatur Memorial Hospital as a Senior Accountant. Annette is a member of the Association of Family Medicine Administration and Medical Group Managerial Association. She received the Administrative Professional Employee of the Quarter award in 2009.
Tina Hartwig
Tina Hartwig, Medical Education Program Coordinator
     Tina has been working in the medical field since 1993 and came to the residency program in July 2005. She has worked as the residency coordinator since July 2006. Her main duties include recruiting, licensing of residents, orientation scheduling and other miscellaneous projects throughout the year. Tina enjoys spending time with her family and friends.
Stacey
Stacey, Office Manager
     Stacey joined SIU Family Physicians in December 2007. She graduated from Richland Community College in 1994. She has worked in the medical field since 1992. Stacey's primary responsibilities include establishing clinic and call schedules for 20+ physicians on a monthly basis, accounts payable, tracking staff work hours and payroll, create and maintain weekly physician noon conference presentations, assists in recruiting faculty and residents and many other miscellaneous duties. Stacey enjoys spending time with her family and friends.
Donna
Donna, Medical Education Program Specialist
     Donna has over 20 years experience as an administrative assistant. She joined SIU in May 2010. Some duties at SIU include corresponding with community physicians in regards to rotation preparation, and evaluations, tracking of work hour documentation, and scheduling of medical student rotations.
 
 

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