Veterinary Internal Medicine

We work with your pet’s internal body systems, whether the illness is sudden or chronic due to: infection, cancer, degenerative, inflammatory, immune, or trauma. We emphasize minimally-invasive techniques and our advanced diagnostic procedures give us the power to effectively diagnose and treat your pet.

Tanya Donovan, DVM, DACVIM

Tanya Donovan, DVM, DACVIM

Dr. Donovan is a board-certified specialist in small animal internal medicine. She received her degree in veterinary medicine from Tufts University in 2004, completed a one-year internship in small animal medicine and surgery at Angel Memorial Animal Hospital in Boston, Massachusetts, in 2005, and was accepted into a residency program in small animal internal medicine at Tufts University in 2005. In 2008, Dr. Donovan completed her residency and passed the certification to become board certified in internal medicine.

Following the completion of her residency, Dr. Donovan worked as a clinical professor until 2010 at Auburn University. Since her academic appointment, she has been in private practice in Seattle, WA, Burlington, VT, and Portland, OR.

Dr. Donovan’s clinical interests are diverse and include interventional and minimally invasive procedures such as laser ablation of ectopic ureters, percutaneous cystolithotomy for bladder stones, tracheal stents for collapsing tracheas, and urethral stents and chemoembolization for urethral and prostatic tumors. She is skilled in a variety of endoscopic procedures, including bronchoscopy, gastrointestinal endoscopy, rhinoscopy, and cystoscopy.

Dr. Donovan is a member of the American College of Veterinary Internal Medicine and the American Veterinary Medical Association. She frequently lectures at national and international conferences as well as providing continuing education lectures on a variety of topics to local veterinarians and veterinary technicians. Her clinical research projects have focused on endocrine diseases, including diabetes and hyperadrenocorticism, and have been published in veterinary journals.

Dr. Donovan lives with her husband and their two cats. She enjoys hiking and biking in her spare time.

Katherine Spry, DVM (Practice Limited to Internal Medicine)

Katherine Spry, DVM (Practice Limited to Internal Medicine)

Following graduation from Iowa State University’s College of Veterinary Medicine in 1991, Dr. Katherine Spry ventured to Minnesota and Wisconsin, where she worked as a mixed animal practitioner for three years. She later decided to move on to a career in emergency and critical care and traveled to Mission, Kansas, for an opportunity to work in a newly emerging 24-hour emergency and specialty clinic.

After practicing emergency medicine for a total of 16 years, and in an effort to further her knowledge and expertise, Dr. Spry undertook a three-year private practice internal medicine residency at a specialty hospital in Overland Park, Kansas. Following completion of her residency, she continued on for another six years working in internal medicine and serving as one of the founding members of an emergency and specialty hospital in Kansas City, Missouri. In 2020, Dr. Spry moved to the beautiful Pacific Northwest to join the Animal Medical Center of Seattle’s Internal Medicine Department.

Dr. Spry has a special interest in endocrine and immune-mediated disorders, along with hepatobiliary and gastrointestinal disease processes, which she has presented numerous continuing education lectures on. When Dr. Spry is away from work, she enjoys spending time with her four cats, CrossFit, practicing martial arts, and outdoor activities such as biking and hiking.

Alison Khoo, BSc, BVMS, DACVIM

Alison Khoo, BSc, BVMS, DACVIM

Dr. Alison Khoo was born in Malaysia and raised in Perth, Western Australia.

She earned her veterinary degree from Murdoch University in 2011. Following her university studies, Dr. Khoo completed a one-year oncology/internal medicine internship at Perth Veterinary Specialists in Western Australia and a small animal rotating internship at Mississippi State University.

In 2017 she completed her three-year residency in small animal internal medicine at Western College of Veterinary Medicine in Saskatchewan, Canada. She became board-certified by the American College of Veterinary Internal Medicine.

Dr. Khoo’s residency project, Effects of Resuscitative Fluid Therapy on Cardiac Biomarkers, was accepted for publication. Her article entitled Intranasal Mast Cell Tumor in the Dog: A Case Series has been published in the Canadian Veterinary Journal. She was also the 2016 recipient of the ACVIM’s Resident Research Award. In the summer of 2021, Dr. Khoo decided to journey west with her Shetland Sheepdog, Porsha, to join the internal medicine department at the Animal Medical Center of Seattle. She enjoys all aspects of internal medicine but has a special interest in endoscopy (including gastroscopy, cystoscopy, and bronchoscopy).

When Dr. Khoo has some free time, she enjoys hiking, scuba diving, and karaoke.

In addition to Tanya Donovan, DVM, DACVIM, and Katherine Spry, DVM, Erinne Branter, BVSc, DACVIM assists with the Animal Medical Center of Seattle’s Interventional Radiology department to provide non-invasive options for your pets. Learn more here!


Services Provided


CT Scan (Learn More)
Ultrasound (Learn More)
Interventional Radiology (Learn More)
Endoscopy/Bronchoscopy/Cystoscopy (Learn More)
Failure or Protein Losing Nephropathy in Dogs
Medical Management of Portosystemic Shunting

Trans-tracheal Washing
Bronchoalveolar lavage (BAL)

Please contact our Internal Medicine Department for more information or questions about these services.


Types of Cases


Addison’s Disease
Chronic and Acute Renal Failure
Cushing’s Syndrome
Diabetes Mellitus/ Diabetes Insipitus
Exocrine Pancreatic Insufficiency
Gastro-Intestinal Diseases
Immune-Mediated Diseases

Portosystemic Shunting
Pulmonary Diseases
Treatment and Diagnostics of Endocrinopathies
Thyroid Diseases
Hypo/Hyper Parathyroid Disease


Online Forms


Save time and complete your forms from home.

Here for your pet - 24 hours a day, seven days a week.


17518 15th Ave NE
Shoreline, WA 98155
Click here for directions.

Contact Us

Call: 206-204-3366
Fax: 206-204-3858
Email: [email protected]