Brett Winkeler, M.D. grew up locally in New Baden.  He attended undergrad at Quincy University where he met his wife, Jennifer.  After medical school at the University of Illinois at Rockford, he went to Spartanburg Regional Hospital in Spartanburg, SC for his residency where he served as chief resident.  He came to work at Rural Family Medicine in 2008.  He, his wife and two children, Sophie and Alex, reside in Smithton.  He has a special interest in treating sports injuries but enjoys treating patients of all ages.  In his time away form work he is an avid golfer, volunteers coaching local sports teams and can be seen on the sideline of FCHS home football games.

Rural Family Medicine

215 Marketplace Drive

Freeburg, IL 62243

​(618) 539-0067

Todd E. Vonderheide, M.D. was born and raised in Freeburg, IL. He received his BS degree from the University of Illinois, his medical degree from SIU School of Medicine in Springfield, and has completed his three year training in family practice at SIU Family Practice Residency Program in Belleville.  There he served as a Chief Resident for his final year.  He is certified by the NBME and a Diplomat with the ABFM.  He and his wife, Kim, have three sons, Devin, Brock, and Nicholas.  They reside in Freeburg.


Office Hours

M, T, Th, F: 8:30am-5pm

Wed: 10am - 7pm


James C. Althoff, M.D. was born and raised in Jacksonville, IL.  He received his BS in chemistry and biology from MacMurray College in 1989, and graduated with honors from the University of Illinois Medical School at Urbana-Champaign in 1993.  He completed his residency in family medicine at the SIU Family Practice Residency Program in Belleville, where he served as Chief Resident during his final year of training.  He and his wife, Kris, have two daughters, Emily and Rebecca.

Jennifer Weaver ​is the site manager in Freeburg.  She has worked for Rural Family Medicine since August of 1997.  She lives in New Athens with her husband, Robert.  They have two children, Caitlin and George, and one grandchild, Olivia.  She enjoys spending time with her active family.  

Meet your healthcare team..

Dianne V. Seabaugh, MSN, APN, FNP - BC was born and raised in rural Greenville, IL.  She graduated from Maryville University in St. Louis, MO in 1980 with her BSN degree.  Dianne practiced in a variety of nursing fields including Medical/Surgical, Cardiac and Home Health for 20 years. She then attended SIU in Edwardsville, IL and graduated with her MSN as a Family Nurse Practitioner in 2000.  In addition to working at Rural Family Medicine, she is adjunct faculty in the Family Nurse Practitioner Program at SIUE.  She and her husband, Ron, have two married children.  They reside in St. Louis, MO.