Directions to Mercy – formerly (St. John’s Mercy Medical Center)
Mercy is located on Ballas and Conway roads, just a block north of I-64/Hwy 40 and immediately east of I-270. To reach Mercy Medical Center:

  • From the west – take I-64/40 east to the Ballas Road exit. Turn left (north) on Ballas Road.
  • From the east – take I-64/40 west to the Ballas Road exit. Turn right (south) on Ballas Road.
  • From the north – take I-270 south to the Ladue Road exit. Turn left (east) on Ladue Road to Ballas Road. Turn right (south) on Ballas Road.
  • From the south – take I-270 north to the I-64/40 east exit. Turn right on the Ballas Road exit. Turn right (north) on Ballas Road.

Doctor’s offices are located in the Mercy DOCTOR’S BUILDING:

DONALD A. DEGRANGE, M.D., L.L.C.

Doctor’s Building – Suite 142-A

Phone:  314-251-3990