Horses Only. Cortaro Equine is a full service equine veterinary hospital located in Tucson. This facility offers high quality equine medicine and surgery to the Tucson area. The hospital is fully equipped and offers diagnostic procedures, treatment, surgery and hospitalization for the majority of equine illnesses. -Diagnostic Ultrasound -Video Endoscopy -Digital X-Ray LD. Shamis DVM and Marlene Shamis DVM Call today