- Give us a call today at (734) 525-8422. Dr. Gregg and the staff at Gregg Chiropractic Life Centers, are passionate about providing their patients with the best quality care possible. The team specializes in chiropractic care, massage therapy, and physical therapy. Our office has nutritional counseling, corrective exercises, and Class IV laser in order to diagnose and treat specific patients needs. The office serves the surrounding towns of Dearborn Heights, Westland, and Livonia.