Dr. Amanda Smith

Dr. Smith grew up in Port Orchard, Washington and attended veterinary school at Oklahoma State University. Immediately following graduation in 2010, Dr. Smith proudly served as a veterinarian in the United States Army for three years before returning home to Port Orchard.

Dr. Smith’s professional interests are varied. She has practiced in emergency/critical care, oncology-specific care and general practice. During her time in oncology care, she developed an interest in herbal medicine and the ways it can compliment traditional care. Above all, Dr. Smith has felt privileged to witness the power of the human-animal bond through veterinary medicine and it serves as a continual motivation for professional growth. 

In her free time, Dr. Smith enjoys baking, jigsaw puzzles and home renovation projects. She is married to her high school sweetheart Adam and they have 6 children.

They share their home with three cats (Milton, Newton and Eleanor), and a bunny (Charlie).

Dr. Tomoko Kiyonaga

Dr. Kiyonaga (Dr. TK) was a Certified Veterinary Technician prior to becoming a veterinarian. She obtained her Doctorate of Veterinary Medicine at Colorado State University in 2011. 

After graduating from veterinary school, she completed a one year small animal internship at Seattle Veterinary Specialists in Kirkland, Washington with a goal to become a well-rounded general practitioner. Following her internship, Dr. TK worked at Bethel Animal Hospital, Cedar Creek Animal Clinic and most recently at Harbor Animal Hospital. Dr. TK has a special interest in small animal acupuncture and became a certified acupuncturist in 2016.


Dr. TK tries to visit her family in Japan as much as possible. In her spare time, she likes to go on nature walks with her Golden Retriever, Stanley. She also likes to try out new recipes, watch movies, read (in Japanese) and work on various art projects. 

In addition to Stanley, Dr. TK has an 8 year old cat, Dean. 

Dr. Suzanne Thomas

Dr. Thomas began her career in veterinary medicine in Southern California as a teenage kennel attendant in 1987. Her family later relocated to Gig Harbor but her passion for caring for animals was already well established. 


Dr. Thomas graduated veterinary school at Washington State University with honors in 2000. After graduation, she returned to the Gig Harbor area and spent five years in general practice before transitioning into emergency medicine and high volume spay/neuter work.


In 2011, Dr. Thomas saw a need for compassionate, home-based end of life care and opened an in-home euthanasia practice, Peaceful Passing. She simultaneously continued to work for a local non-profit to provide low-cost spay and neuter services to families in need. Over the past ten years, she has tirelessly served pets and their families around the Puget Sound region with kindness and empathy. At the end of 2021, Dr. Thomas closed her house call practice to join Willow Tree Animal Hospital where she continues to provide the services she is most passionate about; home-based end of life care and spay/neuter services.

Dr. Thomas is a dedicated volunteer for spay/neuter and low income veterinary care programs. In 2007, she participated in her first international volunteer spay/neuter trip to American Samoa. Since then she has continued to volunteer on international trips to Cancun, Peru, Sayulita, Jamaica, and Suriname as well as domestic trips to Navajo reservations in Arizona and New Mexico. In addition, she has worked with Seattle Veterinary Outreach offering free veterinary care for pets belonging to houseless clients.


Dr. Thomas loves both dogs and cats. She shares her home with three dogs (two Pekingese and a Cardigan Welsh Corgi) and an exotic shorthair cat. She has a daughter that will graduate high school in 2022. Dr. Thomas spends her free time traveling, enjoying photography, watching sunsets, visiting the beach, gardening, and attending concerts. 

Dr. Denise Woods

Dr. Woods’ roots originated in the Pacific Northwest, as she was born in Anacortes  Washington. After moves to Wyoming and Southern California, her family relocated to Kansas. She obtained her B.S. in Organismal Biology from the University of Kansas in 1998 (Rock Chalk Jayhawks!) and her Doctorate of Veterinary Medicine from Kansas State University in 2003.


After several years of practice in Virginia, Dr. Woods desired to return to the Pacific Northwest. Since that time she has worked in general practice in Bremerton and more recently in urgent care/emergency medicine in Tacoma. 


Dr. Woods thrives on the relationships built with her patients and their families. Although emergency medicine can be rewarding in other ways, Dr. Woods found that it was not easily conducive to relationship building. Joining the team at Willow Tree Animal Hospital has allowed her the opportunity to rejuvenate this passion for connection and long-term patient care. 


Outside of her time at work, Dr. Woods enjoys spending time adventuring outdoors, riding bikes, playing tennis, and gardening.


Dr. Woods lives in Gig Harbor with her husband and three children. They share their home with one dog, a Chorkie named Gracie, and three cats (Boots, Sabrina, and Yvaine).