Accessibility View Close toolbar

Meet Our Doctors

We currently have six veterinarians that work at our clinic. Each veterinarian provides a unique and necessary contribution to our practice. Please take a moment to read about our doctors below.

Dr. Lisa Barfield, DVM - Owner/Staff

Dr. Barfield grew up in the San Francisco Bay area of California. After graduating from high school, she chose to attend Washington State University for undergraduate and graduate degrees in veterinary science. She graduated in 1998 with her Doctorate of Veterinary Medicine (DVM).

Dr. Barfield came to work for Winslow Animal Clinic right after graduation from WSU and has been here ever since. She likes to work with cats, dogs, pocket pets; such as hamsters, gerbils, rats, small mammals, poultry, pet goats and pet micro pigs.

Dr. Barfield resides on Bainbridge Island with her three children (Jacob, Eli and Katie), 2 cats, 1 dog and fish. In her family time, she likes to knit, swim and do craft projects.

Dr. Thomas B. Penn, DVM - Staff

Dr. Thomas Penn founded Winslow Animal Clinic in 1996. He graduated from Tufts University School of Veterinary Medicine after an undergraduate education at Pomona College in Claremont, CA. Dr. Penn grew up in California and moved to Bainbridge Island in 1989 after short stays in both Massachusetts and Oregon.

Dr. Penn is married to Kathleen and has two grown sons; Justin and Michael -- both graduates of Bainbridge High School and three grandchildren. The family also includes a young goldendoodle named Tilly and an orange tabby cat named Romeo.

Dr. Kenneth Zebrowski, DVM - Staff

Dr. Zebrowski attended Michigan State University and graduated in 1984 with a BS in biochemistry and then continued on to receive his doctorate in veterinary medicine in 1987.

Dr. Zebrowski relocated to Seattle in 1993 to enjoy all that the Pacific Northwest has to offer. After a varied practice experience; including working at a full service general practice, a population control practice and as a relief doctor in a general practice, Dr. Zebrowski joined Winslow Animal Clinic in 2000.

In his leisure time he enjoys hiking, bicycling, gardening and taking care of his many aquariums.

Dr. Christine Susumi, DVM - Staff

Dr. Susumi graduated from Washington State University with a BS in Biology in 1980. She received an MSE in Bioengineering from the University of Washington then returned to WSU to receive her DVM in 1987. She practiced in Seattle and Renton before arriving at the Winslow Animal Clinic. She became certified in veterinary acupuncture in 1998 and enjoys integrating acupuncture and herbs with conventional veterinary medicine. 

She moved to Bainbridge Island with her husband and miscellaneous dogs and a cat in 2003. In addition to work, she enjoys staying active with walking or classes at the gym, gardening, cooking and traveling.

Dr. Jessica Haggar, DVM - Staff

Dr. Haggar is a Bainbridge Island native. She left in 1992 to pursue an undergraduate degree in Biology from Montana State University. She obtained her doctorate of veterinary medicine from Ross University and Colorado State University in 2005. She now resides on Bainbridge Island with her husband, 2 children, 2 dogs and 2 cats. She currently has no other hobbies as she is very busy caring for her family.

Dr Jane O'Halloran DVM - Staff

Dr. O'Halloran graduated with honors from Washington State University College of Veterinary Medicine in 2001. She practiced in the Seattle area for 13 years before moving to Bainbridge Island. She joined Winslow Animal Clinic in 2015.

Dr. O'Halloran is married with two young children, a very large dog, 3 cats, chickens and fish. In her spare time, she and her family love to explore beautiful Bainbridge Island.

Dr. Akiko Westerhout, DVM - Relief doctor

Dr. Westerhout graduated from the University of California-Santa Barbara in 1991 and worked as a researcher in the biotechnology industry for a few years before going to veterinary school at Colorado State University. She completed an internship in emergency surgery and medicine at Angell Memorial Animal Hospital in Boston, MA before settling in the Pacific Northwest. She has two children in the Bainbridge Island School district, a ball-crazy border collie, a lovable Newfoundland, and a cat that rules the roost.

She carefully balances family life, emergency medicine in Seattle (ACCES), and general practice on Bainbridge Island (Winslow Animal Clinic). When not working, she loves outdoor activity of any kind; road and mountain biking, skiing, running, hiking and climbing.

No form settings found. Please configure it.


Find us on the map

Hours of Operation

Our Regular Schedule


7:30 am - 6:00 pm


7:30 am - 6:00 pm


7:30 am - 6:00 pm


7:30 am - 6:00 pm


7:30 am - 6:00 pm


8:00 am - 12:00 pm

New Year's Day:


Memorial Day:


Independence Day:


Labor Day:


Thanksgiving Day:


Christmas Eve (12/24):

8:00 am - 2:00 pm

Christmas Day (12/25):