Animal Hospital
  • 631-751-8950
  • 86 Gnarled Hollow Rd.
  • East Setauket, NY 11733
  • M Tu W Th: 8 - 8
  • F: 8 - 5:30
  • Sat: 8 - 4
  • Sun: Closed
  • Appointments only
Momee nominations

Nominated for Best Veterinarian
and Best Pet Hospital
Best of Long Island 2015 - 2017

Our Team

Dr Timothy Brown and his dog Levi

Dr. Timothy Brown, DVM

Owner and Veterinarian

Dr. Brown was born in Brooklyn, NY and grew up in Northwest New Jersey. After college he attended medical school until realizing his heart lay in working with animals. Dr. Brown matriculated at Ross University School of Veterinary Medicine and did his clinical rotations at the University of Minnesota. After graduating, Dr. Brown practiced general veterinary medicine and surgery for 5 years in New England. He then elected to do an intensive emergency and critical care internship at the Veterinary Specialty Hospital of the Carolinas in Cary, NC. Upon completing his internship Dr. Brown practiced emergency medicine and surgery for two years. Dr. Brown acquired Setauket Animal Hospital in 2013, and has been renovating, modernizing, and growing it ever since.

Dr. Brown brings to Setauket Animal Hospital a vast knowledge of small animal veterinary medicine. His years of general practice coupled with his time at an advanced specialty hospital and experience practicing emergency medicine, make him a well-rounded and progressive doctor.

Sherwood Cooper Veterinarian at Setauket Animal Hospital

Dr. Sherwood Cooper, DVM


Dr. Cooper was born in Greenport, NY and attended Southold High School. He earned his undergraduate degree from Florida State University and graduated from Ross University School of Veterinary Medicine with honors. He has owned two of his own veterinary practices and has a passion for cellular and molecular biology, pathophysiology, and surgery.

In his free time, he enjoys boating, fishing, clamming, woodworking, beachcombing, and nature walks.

Mark Sibley Veterinarian at Setauket Animal Hospital

Dr. Mark Sibley, DVM


Dr. Sibley was born and raised here on Long Island. He attended Cornell University to complete his undergraduate education and then stayed there to study at Cornell’s College of Veterinary Medicine.

As a young graduate, Dr. Sibley is motivated to continue learning as much as he can from his talented colleagues. He enjoys the challenge of practicing medicine, but his passion comes from helping animals to live the longest, healthiest lives possible alongside their human companions. Dr. Sibley has particular interests in radiology, dermatology, and general wellness/preventative medicine.

Outside the clinic, Dr. Sibley spends much of his time spoiling his own animals: Nami (an energetic Corgi) and Sangha (a charming senior cat).

Marti at Setauket Animal Hospital

Marti Chapman, LVT

Practice Manager

Marti worked as a veterinary assistant for 8 years and has been a NYS-licensed veterinary technician for over 5 years. She completed one internship in emergency medicine at a specialty hospital and a second one in wildlife rehabilitation. She is currently in school and studying for her Certified Veterinary Practice Manager exam. Marti lives with her husband, their two cats, Oscar and Noelle, their two dogs, Apollo and Auckli, and their ferret, Gir.

Becky at Setauket Animal Hospital

Becky Barlin, LVT

Veterinary Technician

Becky has been working in veterinary medicine for over 10 years. She got her veterinary technician license while practicing in Arizona and has recently moved back to Long Island. She completed two internships in general practice hospitals and worked as an ICU technician in a specialty/referral center after graduating. She currently lives with her rescued Chihuahua, Weebles. In her free time, she enjoys being with her family, spending time outside with her dog, and traveling.

Kelby at Setauket Animal Hospital

Kelby Dougherty, LVT, HABC

Veterinary Technician

Kelby is a second generation veterinary professional. She has been an assistant for 6 years and a licensed veterinary technician since 2013. She has a special interest in animal behavior as well as low-stress and fear-free techniques. To support those interests, she became certified in the Human Animal Bond. Kelby will also be applying to veterinary school in the coming years. She enjoys spending time with her animals and family as well as competitive ballroom dancing. She shares her life with her fiancé, two dalmatians (Darla and Deputy), her cat (Elsa) and three horses (Killian, Guinness, and Lizzy).

Rebecca at Setauket Animal Hospital

Rebecca Matteo

Veterinary Assistant

Loving animals from the time she could remember, Rebecca is turning her dreams into reality. She has been certified as a Veterinary Assistant from Eastern Suffolk Boces and is currently studying to take her Veterinary Technician licensing exam in NYS. Rebecca loves to volunteer in many different settings including shelters, farms, and even aquariums. In her free time, she is an avid outdoor photographer. Rebecca is the proud owner of a miniature Labrador mix named Dori and 3 rescue kitties named Abigail, Odafin, and Spencer.

Raquan at Setauket Animal Hospital

Raquan Booker

Veterinary Assistant

Ray has been working as a veterinary assistant for 6 years. He has been an animal lover for as long as he can remember and has a particularly soft spot in his heart for cats. Ray plans to continue his education and eventually become a NYS-licensed veterinary technician. Ray currently lives with his cat, Haley. In his free time, he enjoys basketball, video games, and relaxing with friends. He is also an algebra tutor and resident math-whiz.

Ariel at Setauket Animal Hospital

Ariel Gomes

Veterinary Assistant

Ariel has been working as a veterinary assistant for over 2 years. She has experience in all levels of animal care, including kennel husbandry, surgical assisting, and emergency medicine. She is particularly passionate about helping new owners welcome furry family members into their households. She has goals of eventually becoming a NYS-licensed veterinary technician. She currently lives with her boyfriend and rescue cat, Sugar. In her free time, she enjoys cooking, spending time with her family, and being outside.

Amber at Setauket Animal Hospital

Amber Falco

Veterinary Assistant

Amber was searching for where her heart belonged and found that it belonging in the veterinary field helping animals. She attended Eastern Suffolk Boces and is certified as a veterinary assistant. Her goal is to eventually become a licensed veterinary technician and perhaps one day, a veterinarian! In her spare time, she enjoys playing video games, photography, and spending time with her cats, Cupcake and Gizmo.

Megan at Setauket Animal Hospital

Megan Hackley


Megan is originally from upstate New York. There, she worked at a large, multi-doctor, animal hospital for 2 years. She loves spending her free time with her rescue Pitbull terrier, Rose.

Janice at Setauket Animal Hospital

Janice Sgroi


After owning her own business for many years, Janice decided to follow her heart and pursue a career with animals. She has been working in the veterinary field for the past seven years and devotes much of her time to trapping, fixing, and releasing local feral cats. She is almost always fostering a stray in need! At home, she unwinds with her rescue Chihuahuas, Maria and Burrito, rescue cat, Mooch, four birds, and her water-babies (lots of fish!).

"The staff is exceptionally friendly and Dr. Brown is incredibly knowledgeable and compassionate."
- Nil, client

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