Welcome to The Rehab Doc! Dr. Alpiner is Double Board Certified in Pediatrics and in Physical Medicine and Rehabilitation, and, as an Neuroscientist, Dr. Alpiner, has devoted his career to identifying how the brain and body adapts and reacts to stressors. Here on our website, you call learn what a Physiatrist does, get your New Patient Forms, schedule an appointment, and even visit our “Ask the Doc” section to submit a question to Dr. Alpiner.