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Meet the friendly staff at Long Island Spay and Neuter!

  • Dr.
    John Berger
    Dr. Berger graduated from Oyster Bay High School in 1987. He served in the US Army as an infantry medic with the 101st Airborne. Dr. Berger received his Doctorate of Veterinary Medicine from The University of Tennessee College of Veterinary Medicine in 2003. He has practiced in general medicine, emergency medicine and shelter medicine. His professional interests include all aspects of soft tissue surgery. In his off time Dr. Berger enjoys spending time with his family, fishing, playing bass guitar and riding his Harley Davidson.
  • Tina Berger
    Tina is a NY state licensed veterinary technician with several years experience in the field including general practice, emergency medicine, and rescue. In her free time she enjoys spending time with her family, photography, cooking, and the New York Yankees.

  • Barbara Wansor
    Surgical Support Staff
    Barbara has been involved in veterinary medicine in different capacities for more than 20 years. She has learned all responsibilities involved within a successful veterinary practice and recognizes the necessity to remain calm, cool and collected during any emergency situation. Barbara is always confident in handling the grumpiest of patients while administering their care.

    Truly her “mother’s daughter”, Barbara’s compassion for animals extends beyond the hospital to include any animal in need. Her family has cared for cats, goats, chickens and various unruly wildlife patients. Presently, her chihuahua “Merlin” officiates all activities in our hospital office area. When not at work, Barbara can be found spending time with her best friend, who also happens to be her daughter, “Julie”. Although she takes pride in balancing home life and work , she also somehow finds the energy to have fun and create memories with her family and her good friends.

  • Jennifer Strebel-Conner
    Surgical Support Staff
    Jen joined LISN in January 2017. She brings over 17 years of surgical assistant experience to our surgical team. Jen loves the fast-paced enviornment of being a surgical assistant and performing the variety of tasks that are scheduled for each patient. She enjoys making a positive difference in the lives of the patients and we are thankful for the upbeat, enthusiastic attitude she brings to work each day.

    Other than being with us at work, Jen is the definition of “salt life” as she enjoys any beach
    related activity. Weather permitting, she can be found at the beach fishing, clamming, catching some sun or camping.

    At home you can find Jen out in her garden or during the colder months, she may kick up snow as she passes you on a ski trail. Regardless of weather, she always enjoys time spent with her “three handsome sons and one sexy husband”. Her extended family includes a rescue shihtzu, an aussie, chickens, a cat, a mini horse and “Louie” the fiesty goat. (If it was up to her she would also rescue 100 turtles.)

  • Katie Cullen
    Veterinarian Assistant
    Katie is very good at multi-tasking!

  • Kristin Barber
    Veterinarian Assistant
    One of our Veterinarian Assistants.

  • Tina Marie Visintin
    Tina is one of our receptionists.

  • Karen Biddlecomb
    Karen is one of our receptionists.

Our Locations

Office Hours

Main Office


8:00 am-8:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-8:00 pm


8:00 am-5:00 PM