Dr. Michael S. Schoenwalder and his wife, Maureen, bought a four-bedroom, 2.5 bath home at 615 Kehrs Mill Ridge Dr. in Ballwin for $407,900 from Frederick D. Jacobs and his wife, Tracy, on June 16.

The 2,987-square-foot house was built in 1996.

Katharine Irvine of Coldwell Banker Gundaker real estate was the agent for the sale. The home was listed for $409,900.

Dr. Schoenwalder is an internist at Woodlake Internal Medicine in Chesterfield He specializes in cases of diabetes mellitus, hypertension, osteoporosis and preventive medicine, weight management, diet and exercise.

He received his M.D. from Des Moines University Osteopathic Medical Center in Des Moines, Iowa and completed his residency in internal medicine at the St. John's Mercy Medical Center in St. Louis, Mo.

Home sales in Ballwin are down 6.5 percent in 2008. The median sales price has dropped from $218,000 in 2007 to $212,000 so far this year.

Address: 615 Kehrs Mill Ridge Drive
Buyer(s): Michael S Et Ux Schoenwalder
Seller(s): Frederick D Jacobs (and Wife)
Sale date: Jun. 16, 2008