 ABC12.com | Flint's McLaren acquires Pontiac's POH Medical Center MLive.com, MI - PONTIAC -- Flint-based McLaren Health Care Corp. announced today it is acquiring POH Medical Center, effective immediately. POH President and CEO Patrick E. ... McLaren Health Care buys Pontiac Osteopathic McLaren Health Care purchases downtown Pontiac medical center McLaren of Flint buys POH Medical Center in Pontiac |