Dr. Zaccardi has practiced veterinary medicine in Northwest Washington since 1983 and enjoys all aspects of equine health care. He works closely with his clients and patients to provide preventative health care as well as a full range of ambulatory and emergency services. Dr. Zaccardi has a special interest in dentistry, reproduction and lameness work ups. John is one of a few veterinarians in the Pacific Northwest who is internationally accredited in acupuncture and is successfully treating both large and small animals.

Each year, Dr. Zaccardi volunteers his free time to support and educate the local 4-H and Pony Clubs through clinics and presentations. He also serves as veterinarian on call each year at a number of events including the 4th of July Rodeo in Sedro-Woolley and the Whidbey Island Pony Club Horse Trials.

Dr. Zaccardi, his wife Patrice, daughter Maddie and son Nick have made their home in Skagit County and enjoy many outdoor activities as a family including tennis, hiking, camping, hunting, fishing, horseback riding and most snow sports.

Dr. Zaccardi is a graduate of:
Gonzaga University / BS in Biology in 1975
University of Idaho / MS in Animal Nutrition in 1977
Washington State University / DVM in 1982

Memberships include: International Veterinary Acupuncture Society, American Veterinary Medical Association, American Association of Equine Practitioners and Washington State Veterinary Medical Association.



Dr. Leisher lives and practices veterinary medicine primarily on Whidbey Island where he provides a wide variety of ambulatory equine health care services. His practice includes preventative health care, lameness, reproduction and emergency care. His practice philosophy emphasizes the importance of the human-horse bond, and incorporating the science of horse behavior to improve his patientís quality of life.

Dr. Leisher places an emphasis on dentistry and has taken a number of advanced dentistry courses. In addition to equine medicine, Dr. Leisher also cares for large and small ruminants, including llamas and alpacas. Before joining MVVH in 1997, Dr. Leisher practiced in an equine and large animal practice in Yakima, Washington for 12 years.

Dr Leisher is active in serving the community in which he lives and practices. Each year he volunteers his time to a number of horse owner groups, conducting clinics and educational programs. Dr. Leisher also regularly serves as veterinarian on call for Pony Club and 4-H events. He also serves as Vet On Call each year at the Whidbey Island Pony Club Horse Trials.

Dr. Leisher and his wife Peggy have lived and raised their two daughters on central Whidbey Island since 1997. Dr. Leisher also helps his wife Peggy with their small boarding stable and its aging farm vehicles. Their other interests include travel, horseback riding, fly fishing, hiking and backpacking, and occasionally just relaxing to enjoy their beautiful surroundings on Whidbey Island.

Dr. Leisher is a graduate of:
Washington State University / BS in Animal Science in 1978
Washington State University / DVM in 1982

Memberships include: American Veterinary Dental Society, American Veterinary Medical Association, American Association of Equine Practitioners and Washington State Veterinary Medical Association.


Diplomate American College of Veterinary Surgeons
Associate/Staff Surgeon

Dr. Hanson joined MVVH in the spring of 2000, in time for the opening of the hospital in August 2000. Dr. Hanson played an integral role in the design of the surgical facilities.

His primary focus is equine surgery, and management of hospitalized medical and surgical patients. Surgical services include a variety of soft tissue and orthopedic procedures including arthroscopy and laparoscopy. He also provides out-patient and ambulatory health care for his patients, including pre-purchase exams, dentistry, lameness evaluation, reproduction and preventative health care.

Over the years, Dr. Hanson has volunteered his time to the community through a variety of speaking engagements, wet labs at the hospital and has served as a judge at local school Science Fairs.

Dr. Hanson is a novice triathlete, an active member of the Skagit Bicycle Club and admits to letting too much dust accumulate on his kayak, skis, snowshoes and SCUBA gear. He lives in Mount Vernon with his wife Lori and their young son Aidan. They enjoy hiking and camping. Hopefully trail rides and pack trips will again become a family activity as their son gets older.

Dr. Hanson is a graduate of:
University of New Hampshire/BS in 1990
University of Tennessee/College of Veterinary Medicine in 1994

Internship in Large Animal Medicine and Surgery at:
Texas A&M University College of Veterinary Medicine in 1995

3 Year Residency in Equine Surgery at:
University of California, Davis/Veterinary Medical Teaching Hospital

Clinical Instructor of Equine Surgery at:
University of California, Davis/Veterinary Medical Teaching Hospital

Memberships include: American College of Veterinary Surgeons, American Veterinary Medical Association, American Association of Equine Practitioners and Washington State Veterinary Medical Association.


Diplomate American College Veterinary Internal Medicine
Associate / Staff Internist

Dr. Waitt graduated in 2003 from Washington State University with a degree in veterinary medicine. Her next stop was a year-long internship in equine medicine and surgery at Kansas State University. After completing her internship she was accepted into a residency program in internal medicine at Oregon State University. There, Dr. Waitt worked extensively with all large animal species including horses, camelids, goats, sheep and cattle. She has spoken at several national conferences for veterinarians on current topics and her research in metabolic diseases.

As an Internal medicine specialist, she is known for her ability to diagnose and treat both difficult and unusual medical conditions. Examples include sick foals, weight loss, both acute and chronic diarrhea, neurologic diseases, muscle diseases and metabolic diseases. She has advanced training in the pathophysiology and diagnosis of disease and takes veterinary medicine to the next level of care.

In addition to offering specialized hospital care, Dr.Waitt will be providing an array of ambulatory and in house health care for her patients, including: radiolology, ultrasonography, dentistry, lameness and pre-purchase evaluations, preventative health and reproductive management.

Dr. Waitt is accepting referrals and working with Northwest veterinarians in addition to the patients of MVVH.

Dr. Waitt and her husband Dr. Ryan Wolker reside in Mount vernon. When not at work, Dr. Waitt may be found with her horses, Liz, Oscar and Peppermint Patty. Laura and Ryan also enjoy taking their three dogs, Darby, Tess and Jackson, for walks through the fields. In the few remaining hours of the day they cater to the demands of their spoiled cats.

Dr. Waitt is a graduate of:
Washington State University/BS Veterinary Science in 2001
Washington State University/DVM in 2003

Internship in Equine Medicine and Surgery at:
Kansas State University Veterinary Teaching Hospital 2003-2004

3 Year Residency in Large Animal Internal Medicine at:
Oregon State University Veterinary Teaching Hospital 2004-2007

Memberships include: American College of Veterinary Internal Medicine, American Veterinary Medical Association, American Association of Equine Practitioners and Washington State Veterinary Medical Association.



Dr. Sandors offers a full scope of health care services for dogs, cats and many exotic pets.

Services Dr. Sandors provided include routine care such as wellness exams, vaccinations, x-rays, dental cleaning, micro-chip implantation, spay neuter surgery, control of itching, scratching, chronic ear problems and nutrition/diet consultations. Additionally, Dr. Sandors has special interests in internal medicine, endocrinology and geriatric wellness, arthritis and pain management.

Dr. Sandors works closely with specialists in the area to provide total care and treatment for her patients with more complex health issues and who need more advanced medicine. Prior to joining MVVH in August of 2002, Dr. Sandors practiced small animal medicine as well as emergency and critical care services in California, South Carolina, Georgia and Northwest Washington.

Dr. Sandors and her husband Donald live in North Snohomish County on a small farm where they practice humane farming and organic gardening.

Dr. Sandors is a graduate of:
California State University at Sacramento/BS in Biology & Environmental Sciences/1984
University of California at Davis/DVM in 1988

Memberships include: American Veterinary Medical Association, Veterinary Emergency and Critical Care Society, Washington State Veterinary Medical Association.



The support staff at Mount Vernon Veterinary Hospital works together to meet our patientsí diverse health care needs while providing exceptional client service and veterinarian support. It is our collective goal to insure the best care possible for each patient while maximizing the time of our veterinarians.

Licensed Veterinary Technicians and Veterinary Assistants
Our dedicated technicians and veterinary assistants are responsible for a wide range of duties and assist our veterinarians in nearly everything they do. A typical day may include daily rounds and treatment of hospitalized patients, animal husbandry, assisting in radiography, admitting and discharging patients, preparing for and assisting in surgeries, monitoring anesthesia, lab work, dentistry, ICU monitoring, artificial insemination, stallion collection, foal watch as well as supply and inventory control. You may frequently speak with one of our technicians or assistants in absence of a veterinarian to review discharge instructions, lab results and patient progress. Perhaps you'll meet one of them in person as they will frequently travel and work with the veterinarians in the field.

Lori Hanson

Licensed Veterinary Technician

Lori has been working in veterinary medicine for 20 years and licensed in Washington since 2000. Prior to joining MVVH in June of 2000, Lori spent 10 years working at the University of California at Davis. While experienced in all areas of equine practice, Lori has tremendous interest in neonate, ICU and hospitalized case work. Lori grew up surrounded by animals and was an active member of her local FFA group throughout school. Lori makes her home in Mount Vernon with her husband Chris Hanson, DVM, their son Aidan and two cats.

Barn Staff

Paulene Lauridson has the daunting task of keeping the facility clean. From the office to the barns, she works diligently at all hours of the day and night to keep the hospital clean. Paulene has horses of her own and her family owns and operates a canine boarding facility in Skagit County.


Office and Business Staff

The office and business staff see to the day-to-day business keeping the hospital running efficiently.

Jenn Boothby

Customer Service Representative

In the front office Jenn is the voice you will hear most on the phones and is your link to the veterinarians. She will guide you through routine appointments, informational calls and will expedite schedule changes and dispatch veterinarians to emergencies. Jenn came to us in October of 2007 with a solid background in customer service. She gained this experience through the retail and insurance industries. Her compassion for and love of animals is evident. Jenn lives in Skagit County with her three cats. In her spare time, Jenn loves dancing and spending time on the water.  

Karla Hill

Accounts Receivables

Karla has been with us since 1996. She oversees client accounts, invoices and month-end statements. Karla communicates with the veterinarians to help insure that invoices are error free. She is available to answer any billing questions you may have. Karla and her husband Terry make their home in west Mount Vernon. They have two children. Karla enjoys running with her dogs Jader & Jack, bicycling, playing volleyball and softball, gardening and occasionally riding her horse Em and mule Nellie.

Linda Pressley

Practice Manager

Linda oversees the day-to-day hospital business, including client communication and service human resources, community outreach, special event coordination, financing, marketing and receivables. Linda joined the staff in 2001, having spent 15 years in print media sales and management. Away from the practice, Linda is usually found gardening, cooking or horseback riding. She enjoys packing into the high country to camp, fish and hunt with friends.

In Memory of Shim 2000-2010


  Our beloved barn cat, who showed up and made her home here at Mount Vernon Veterinary Hospital in 2000, vanished this past summer 2010.  She was often seen leading the way from client's trailers to the treatment room and intently watching the doctors and technicians perform their work.  She will be missed by all who knew her.  

Meet Our Patients

Want to see your animals? Send us a photo in an email and we would be happy to post it.


14110 Bradshaw Rd,                                                                                                                                        Mount Vernon, WA 98273