Our Practice

We are a full-service animal hospital providing comprehensive pet healthcare services to dogs, cats, birds and pocket pets in Tigard, OR. Our veterinarians offer a wide variety of medical, surgical and dental services. Our hospital has advanced equipment and technologies, including comprehensive in-house testing for accurate diagnosis, digital x-ray, surgical suite, dental suite, and a pharmacy. We are committed to providing quality care at every stage of your pet's life. From routine preventive care to early detection and treatment of a wide range of conditions and diseases, we have the expertise to provide the highest standard of care for your pet. We also serve the greater Portland area, Milwaukie, Lake Oswego, and Beaverton.

  • Dr. Amy Hille


    Dr. Amy Hille is a 2001 Kansas State graduate. She moved out to Oregon to accept an internship at Dove Lewis immediately after veterinary school. Her other accolades include a Master’s in Public Health and board certification in Preventive Medicine and Public Health. Coming from an emergency medical background she has found that her real passion is the relationship built with clients and their pets, as well as challenging medical cases and dentistry. In her free time she enjoys spending time with her son who has an affinity for video games and the clarinet and attending her daughter’s horse competitions where she is a competitive jumper. Dr. Hille is excited to join the Sorrento Animal Hospital family and we are overjoyed to have her skills added to our already outstanding staff.

  • Dr. Derek DeRose


    Dr. Derek DeRose graduated from Oregon State University College of Veterinary Medicine in 1998. He practiced in Southern California for 3 years before moving to Oregon in 2001, and has practiced in the Beaverton/Tigard area ever since. He greatly values the importance of educating clients about their pets health needs, and building a strong relationship with each and every client. His special interest are canine and feline dentistry. Dr. DeRose lives in Beaverton with his wife, 2 children and 4 cats. He enjoys spending time with his family, gardening, and the outdoors.

  • Dr. Ryan Knoles


    Sorrento Animal Hospital is happy to be the home of Dr. Ryan Knoles! Dr. Knoles graduated with a
    bachelor’s degree from UC Santa Barbara in 1999 and spent a number of years working in the
    biotech/pharma industry before he made the decisive switch to veterinary medicine. He
    began practicing upon graduating from the University of Wisconsin in 2008.

    When he isn’t sporting hospital scrubs and reporting for duty at the clinic, Dr. Knoles enjoys
    spending quality time with his life partner and their beloved pets Mary and Trudy.
    He maintains beautiful saltwater aquariums with living coral and fish in his home. The family
    enjoys watching the relaxing fish and bubbles when they aren’t out for a walk with the dogs.