Nassau County and Your Pet

Island Trees Veterinary Hospital

Island Trees Veterinary Hospital is located in Hicksville, New York in Nassau County, an affluent suburb of New York City. WE are a full-service animal health center providing high-quality veterinary care to companion animals in Hicksville, Levittown, Plainview, East Meadow, Farmingdale, Jericho, and surrounding Nassau County communities throughout Long Island. Our veterinarians and staff are very proud of the wide range of veterinary services offered as well as the reputation for being an honest, compassionate, and welcoming animal care facility.

Nassau County, NY Location

Nassau County, home of Island Trees Veterinary Hospital, is immediately east of New York City in the U.S. state of New York, within the New York Metropolitan Area. The name of the county comes from an old name for Long Island, which was at one time named Nassau, after the Dutch Prince William of Nassau, Prince of Orange (who later also ruled as King William III of England). The county colors, orange, and blue, are also the colors of the House of Orange. Nassau's county seat is located in the village of Garden City, within the Mineola 11501 zip code. Other Nassau County zip codes include 11803, 11863, 11753, 11804, 11568, 11714, 11774, 11735, 11736, 11737, 11507, 11514, 11554, 11801, 11802, 11815, 11819, 11854, 11855, 11773, 11791, 11590, 11593, 11594, 11595, and 11597. Villages, hamlets, and towns in Nassau County include Hicksville, Levittown, Syosset, Plainview, Jericho, Brookville, East Hills, Albertson, Westbury, Carle Place, East Meadow, Bethpage, Farmington, and South Farmington.

Nassau County, together with Suffolk County to its immediate east, are generally referred to as "Long Island" by area residents-as distinct from the New York City boroughs of Queens (Queens County) and Brooklyn (Kings County), which are geographically located on the island's westernmost end. Two cities, three towns, 64 incorporated villages, and more than 60 unincorporated hamlets are located within Nassau county. The U.S. Postal Service has organized Nassau County into 111 different 5-digit zip codes served by 67 postal address names.


The estimated 2012 population of Nassau County, NY according to the US Census Bureau was 1,349,233. Of the total Nassau County population, 77.2 percent are over 18 and 51.6 percent are female; 81.8 percent own their home. In 2012, Forbes magazine, in an article based on the U.S. Census Bureau's American Community Survey, reported that Nassau County was the 12th richest county in America and the wealthiest county in the State of New York, with a median household annual income of about $91,000. The average house size is 2.9 people and the median age of residents is 41.

Community Resources

Nassau County Animal Shelters

Resources for Pet Owners

Veterinary Services for Nassau County Pets

The veterinarians and staff at Island Trees Veterinary Hospital have set a high standard for the care that pet owners have come to expect in Hicksville, Levittown, Plainview, East Meadow, Farmingdale, Jericho, and throughout Nassau County. We believe that a pet is a valued member of the family and deserves top-rated veterinary care from a dedicated and knowledgeable medical team.

From Wellness Exams to Surgery

As a full-service veterinary health care center, Island Trees Veterinary Hospital offers a wide range of health services including wellness exams, dentistry, vaccines, parasite detection and prevention, dermatology, treatment of arthritic issues, endocrine diseases (thyroid, adrenal, and pancreatic), nutrition, renal disease (kidney), hepatic disease (liver), obesity, as well as microchip lost pet ID, pet grooming and senior pet care. We also offer advanced diagnostic capabilities such as in-house laboratory, radiographs, endoscopies, and ultrasound procedures by a board certified internal veterinary medicine specialist.

We are also pleased to provide high-quality surgical services for Nassau County pets. These include a wide range of general surgeries, abdominal surgeries (gastric, intestinal, splenic, bladder, and renal) and orthopedic procedures by a board-certified veterinary orthopedist. For those pet owners who have financial concerns we provide low-cost spays and neuters.

Schedule Your Visit

Island Trees Veterinary Hospital, located in Hicksville, serves all communities in Nassau County with pet hospital care. Learn more about our veterinary services for Levittown, Bethpage, and Hicksville, Plainview, Bellmore, Syosset, Merrick, and Rosyln pet owners. Give us a call at (516)735-0090 to schedule an appointment or visit our website to learn more about Island Trees Veterinary Hospital.

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