Dr. John Gehnrich is a gifted and compassionate chiropractor who has been serving patients living in Nassau County and Long Island, New York, from his practice, Rhino Chiropractic & Wellness in Rockville Center. His patients benefit from a wide range of holistic and chiropractic services to address neck pain, back pain, sciatica, headaches and migraines, and auto injuries. Dr. Gehnrich also...