Cortlandt Animal Hospital
has been incorporated and owned by Dr. Leonard Berk since 1981. We have undergone many exciting changes in the past few years, the largest being a total renovation of the interior and exterior of the hospital!

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Our mission is to provide the highest quality medical care to our patients while educating pet owners and promoting both the well being of you and your pet for a long, happy and healthy life together.



Our Goldendoodle Fiona is a scared, handful. Fee was a re-home and while she has come a long way and can look and act like a “normal” happy dog, put her in a different, even slightly stressful situation and she will curl her tail under her, hide, growl when the stranger approaches and generally not […]

Phil Knudson

I’ve been taking my cats and dogs to CAH for about ten years. My fur babies have always gotten the best care there. The staff is courteous, dedicated, and professional. The doctors are thoughtful, compassionate, understanding, and up-to-date on veterinary advances. I always get a prompt call with test results and a clear explanation of […]

Janet Angelillo

Amazing care! I have been going to Dr. Berk since I was a child with our family dog and now that I am grown with my own family I am so pleased to have him care for my dog once again. The entire staff at the office is so pleasant and you can tell they […]

Casey Greenzweig