STEPHEN D. GILSON, DVM
Diplomate, American College of Veterinary Surgeons
MARK SODERSTROM, DVM
LILLIAN RIZZO, DVM
Diplomate, American College of Veterinary Surgeons
POLINA VISHKAUTSAN, DVM
Diplomate, American College of Veterinary Internal Medicine
Sonora Veterinary Specialists 4015 East Cactus Road Phoenix, AZ 85032 602.765.3700 fax 602-765-3661 Open 24 Hours
Dr. Soderstrom, a native Nevadan, is a 1993 graduate of the
University of Missouri-Columbia. He completed a small animal
internship at Sonora Veterinary Specialists and a surgical residency at Oklahoma State University. Following his residency, Dr. Soderstrom accepted a clinical instructorship - postdoctorate in Neurology at North Carolina State University. He is currently pursuing board certification by the American College of Veterinary Surgeons. Dr. Soderstrom's professional interests include medical and surgical neurology and general surgery. Dr. Soderstrom remains active in practice, academic, and research endeavors. Outside of veterinary medicine Dr. Soderstrom enjoys kayaking, biking, and camping with family.


Dr. Gilson, a native Southern Californian, is a 1986 graduate of the
University of California at Davis. He completed a small animal
internship at Colorado State University, and a surgical residency at North Carolina State University. He became board certified by the American College of Veterinary Surgeons in 1992. Dr. Gilson has over 40 professional publications in the areas of surgery and oncology, and has made numerous speaking presentations at international, national, and regional meetings. Dr. Gilson currently heads Sonora Veterinary Specialists. He serves on the board of directors for Southwest Wildlife Rehabilitation Center. Dr. Gilson remains active in practice, academic, and research endeavors. Outside of veterinary medicine Dr. Gilson enjoys skiing, sailing, traveling, and spending time with his family.





Originally from Long Island, NY, Dr. Lillian Rizzo did her undergraduate
at the University of New Mexico followed by veterinary school at Cornell University. After completing an internship at Sonora Veterinary Specialists, Dr. Rizzo went on to complete a surgical residency at Oklahoma State University. Dr. Rizzo became a Diplomate of the American College Of Veterinary Surgeons in 2005. Professional interests include all aspects of soft tissue and orthopedic surgery. Dr. Rizzo has advanced training in the areas of TPLO, neurosurgery, stem cells, and wound management . In her time off, Dr. Rizzo enjoys outdoor sporting activities and spending time with her family.

Curriculum Vitae
Dr. Polina Vishkautsan attended veterinary school in Jerusalem, Israel
and completed the ECFVG program at Cornell University. After completing an Internal Medicine residency at Angell Animal Medical Center in Boston, Dr. Vishkautsan served
as the chief of internal medicine for a large specialty hospital here in the Valley. Professional interests include Internal Medicine – gastrointestinal diseases, endocrine diseases, and infectious diseases as well as Emergency and Critical Care.