944 Baldwin Rd Ste A Lapeer, MI 48446. Make an Appointment. (810) 245-5562. Share. Save. (810) 245-5562. Dr. Timothy Piontkowski, DO is a Osteopathic Manipulative Therapy Specialist in Lapeer, MI. He is affiliated with Mclaren Lapeer Region. Be sure to call ahead with Dr. Piontkowski to book an appointment..