We’re committed to keeping clients and staff safe during COVID-19 with NEW admittance and check-out processes. Learn more.

William Haagenson, Staff Veterinarian

DVM

Dr. William R. Haagenson, a graduate of the Ohio State University College of Veterinary Medicine, has been associated with Nassau-Suffolk Animal Hospital since 1992, and was past Medical Director. Although he treats all breeds of animals, he is known particularly for his expertise in treating English Bulldogs and their unique medical conditions. Dr. Haagenson has been recognized by several bulldog organizations for his exceptional knowledge and treatment of this breed. He has received a number of awards, most recently from the Long Island Bulldog Rescue, and has been consulted on issues relating to this breed from Vancouver, Las Vegas, and throughout the United States. Dr. Haagenson has been invited to do veterinary relief work in Bermuda and to participate in a spay and neutering program for the Humane Society in Belize.

Dr. Haagenson is known as an especially concerned and diligent veterinarian, a skilled surgeon, and an expert diagnostician. Always available to his clients and patients, he is a strong advocate for the health and well-being of all animals. He is a firm believer in educating the public in proper animal care. In the past, he demonstrated a spay procedure at the New York State Fair in Syracuse.

William Haagenson

Book an Appointment

Select an appointment type to get started.

My Pet is Sick

My Pet is Sick

Physical Exam or Vaccines

Physical Exam or Vaccines

Other

Other

Emergency

Emergency

Book an Appointment

Select an appointment type to get started.

My Pet is Sick

My Pet is Sick

Physical Exam or Vaccines

Physical Exam or Vaccines

Other

Other

Emergency

Emergency

Wellness Plans for Your Pet

Preventive nose-to-tail care.

Veterinary Services for Your Pet

Your pet can enjoy comprehensive preventive and wellness care veterinary services for every stage of life, from puppy or kitten through adult and the senior years. We invite you to explore our services to learn more and help keep your pet happy and healthy!
Learn More

Connect with us

          Connect to our Google Plus page          Connect to our Yelp page          Connect to our Instagram page

Loading... Please wait