- Call our office today at (402) 562-8387. At Twin Rivers Veterinary Clinic, our team is dedicated to providing the most passionate and individualized patient care. Our clinic offers treatment for emergency and urgent care, vaccination, and at-home vet service. We have a veterinarian on call 7 days a week who is trained and equipped to handle any urgent care your pet has. The clinic serves the surrounding communities of Columbus, Lincoln, and Fremont, Nebraska.