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Cocker Spaniel

Over 40 years of experience

After being located in Nashua, NH for 21 years, Dr. Kaas moved the practice to Merrimack, NH. In 2000, Mercy Animal Hospital was built. Dr. Kaas, and his staff, provide a variety of services, making the health and wellbeing of their small animal patients a priority. The name "Mercy" was born out of Dr. Kaas's compassion for enhancing the wellness and longevity of animals through employing current veterinary medical practice.


Mission Statement:

 Our mission at Mercy Animal Hospital is to provide the best quality veterinary care with emphasis on the wellbeing of our patients and exceptional client service.


Payment Options:

We accept MasterCard, VISA, American Express, Discover, and CareCredit. We also accept all pet insurance plans as well as offering Trupanion Express.