Patient Portal; Kellogg Brain and Spine. Expert, Mindful, Restorative, Compassionate Care. ... "Dr Kellogg did one surgery and the pain was immediately gone!" Teree M. Google "Super Grateful for Dr Kellogg - I highly recommend him, especially for complex cases." Ginger G. GoogleOur Staff‧Contact Us‧Accepted Insurances‧Dr. Kellogg‧Resources‧Testimonials.