Our Staff

​​Dennis Leon, DVM, CCRT

Dr. Dennis Leon earned his veterinary degree from Cornell University in 2001. Following his veterinary education, Dr. Leon worked in a busy multi-doctor practice in Hayward, California, where he also served as a veterinary consultant to the City of Hayward Animal Services Bureau, Hayward Animal Shelter, Alameda County Animal Control, and San Leandro Animal Shelter. In 2005 he became the medical director at Levittown Animal Hospital in New York and practiced there for over ten years. He relocated to Portland in 2016 and can be found working at Willowbrook Veterinary Hospital or Viva Pet Care.

Dr. Leon's professional interests include preventative medicine, anesthesiology, pain management, kidney disease, behavioral medicine and obesity treatment. In 2014, he completed the requirements for becoming a Certified Canine Rehabilitation Therapist via the Canine Rehabilitation Institute in Coral Springs, Florida. Dr. Leon is one of only four veterinarians in Portland to be certified in physical rehabilitation. In 2012, Dr. Leon began teaching third and fourth year veterinary students when the Cornell University Hospital for Animals selected him as the Robert W. Kirk DVM Practitioner-in-Residence.

Sarah Naidoo, DVM, MA, DACVIM

Dr. Sarah Naidoo earned her veterinary degree at the University of Montreal in 2000, completed a small animal internship in southern California, and was residency trained in Small Animal Internal Medicine at the Atlantic Veterinary College in Prince Edward Island, Canada. She became board certified by the American College of Veterinary Internal Medicine (ACVIM) in 2004. Dr. Naidoo is available by special arrangement behind the scenes at Willowbrook Veterinary Hospital for ultrasound studies, echocardiograms, and internal medicine consultations.

Christine Kurowski, DVM

Dr. Christine Kurowski grew up in the suburbs of Chicago, Illinois and attended the University of Illinois at Urbana-Champaign. While in school she completed an internship at the Anti-Cruelty Society of Chicago, worked at the University sheep farm, and learned to care for all animals, large and small. She fulfilled her lifelong dream of becoming a veterinarian, earning her DVM from University of Illinois in 2005. Following graduation she began working at a multi-doctor private practice near her hometown. In the summer of 2011, Dr. Kurowski moved to Oregon with her husband and started practicing at a busy multi-doctor veterinary hospital in Sandy, Oregon. Dr. Kurowski has a passion for soft-tissue & orthopedic surgery and building long lasting doctor-client relationships. She is excited to get to know the clients and their furry families at Willowbrook. Dr. Kurowski enjoys hiking and exploring the Pacific Northwest with her husband and her mixed breed dogs: Jack, Joe, and Jett.

Karen, Hospital Manager

Karen is a native Oregonian hailing from Eugene. A welcoming and familiar face at Willowbrook Veterinary Hospital, Karen has been helping clients and their pets here since 2003. Originally working part-time, she joined the team full-time in 2010. When not at Willowbrook she can be found working (or relaxing) at her mini farm. Karen enjoys working outdoors, rockin’ out at Jazzercise, and spending weekends at the beach.




Healing your pets since 1994

Willowbrook Veterinary Hospital provides animal wellness care, full service diagnostics, animal dental care, laser therapy, senior pet care, soft tissue surgery, animal nutritional counseling, vaccinations, microchipping, spay & neuter procedures, animal behavioral medicine, and international travel & health certificates for dogs, cats, and small mammals in Tigard, King City, Sherwood, Tualatin, Beaverton, Lake Grove, Lake Oswego and all Southwest Portland areas. Some of our patients come from as far as Happy Valley, Vancouver, and Washougal for the excellent care their pets receive at our veterinary clinic.

Willowbrook Veterinary Hospital, Washington County’s premiere full service animal hospital, is conveniently located in Tigard, Oregon.

Phone Number

(503) 966-9873


11545 SW Durham Rd. Suite B-10,
Tigard, OR 97224


Monday - Friday: 8am-6pm
Saturday: 9am -12pm     |     Sunday: Closed

Hospital Affiliation

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