"Princeton Brain, Spine and Sports Medicine in New Jersey Mullica Hill Campus Located near the new Inspira Medical Center Mullica Hill, Princeton Brain & Spine’s Mullica Hill location offers expert, compassionate care for New Jersey and Pennsylvania patients. Our practice has relationships with the region’s leading hospitals, where we provide state-of-the-art surgical and minimally invasive treatments for spine and brain. To learn more about the Princeton Brain & Spine team or request insurance and self-payment information, call 856.336.9808. Click here to view additional New Jersey and Pennsylvania office locations.