24 Hour Emergency Vet Hospital and Urgent Pet Care in Commack, New York

Dr. Mario Costa
Medical Director
Binghamton University; Western University of Health Sciences; West Hills Animal Hospital and Emergency Center/Gold Coast Center for Veterinary Care - small animal rotating internship
Dr. Costa was born and raised in Queens, NY and has practiced medicine at a general practice for two years before returning to emergency medicine. A VEG ER doctor since 2021, Dr. Costa became a Medical Director in 2024. He is committed to providing excellent medical quality and superior customer service to people and their pets when they need us most. He enjoys playing the guitar, reading, woodworking, exercising, and spending time with his wife, two children, and two dogs.
VEG emergency veterinary hospital in Commack, Long Island, New York is open 24 hours, 7 days a week, offering the highest quality of pet ER care in Suffolk County. Our team provides prompt, compassionate care to all pets, including dogs, cats, birds, and exotics.
24-HOUR WALK-IN EMERGENCY VET CARE IN COMMACK
We’re conveniently located on Jericho Turnpike, accessible from Elwood, Hauppauge, Kings Park, and Smithtown. Call us or just walk in — no appointments taken.
PARKING INFORMATION FOR OUR VET HOSPITAL
You’ll find parking directly outside our VEG veterinary emergency hospital entrance with additional spots around back, as well as an accessible space right by the front door. Need help bringing your pet inside? Give us a call – one of our VEGgies will gladly meet you at the door.
EMERGENCY VET CARE WHEN YOU NEED IT MOST
From treating your puppy for dehydration after a day of play at Sunshine Acres Park to helping a rabbit with head tilt, VEG in Commack is ready 24/7 for any emergency. Our reliable care team of ER-trained vets, veterinary nurses, and vet assistants are here day and night to help with your pet’s emergency or urgent care needs.
Why Choose VEG ER for Pets
customer-focused veterinary emergency care
call us 24/7
Pet emergencies shouldn’t be put on hold. Call and speak with a veterinarian 24 hours a day to get your medical questions answered.
see a vet now
No appointment needed, walk in 24/7 – VEG is always open. Emergency vet care starts the moment you walk in the door.
stay together
No waiting and wondering in a lobby. Stay with your pet the entire time and get as involved as you like in their care.
stress less
At VEG, we make a scary situation less stressful. We sit on the floor with your pet, or wherever they’re most comfortable.
Emergency Care
Exotic Pet Care
Pet Urgent Care
End-of-life Care
Vet Surgery
Endoscopy
Pet Ultrasound
and X-rays
Diagnostics
and Testing
Treatment and
Hospitalizations
open now for:
Emergency vet care, always open and ready
Learn more about VEG's 24/7 emergency vet care.
Frequently Asked Questions
Common questions about the services at VEG ER for Pets
IS VEG OPEN 24 HOURS?
Yes, all VEG locations are open all the time – 24 hours a day, 365 days a year – even on holidays and weekends to care for pet emergencies.
DO I NEED AN APPOINTMENT?
At VEG, we don’t take appointments, because we deal with emergencies. When the unexpected happens, call us or walk in to your nearest VEG location 24/7 for immediate care.
HOW DO I KNOW IF IT’S AN EMERGENCY?
Never self-diagnose your pet. Sometimes you just can’t tell if your pet is having a true emergency. But VEG can. Call your local VEG anytime and a veterinarian will answer your medical questions and determine if you should come in.
CAN I GO TO VEG FOR URGENT CARE?
Yes, VEG offers Pet Urgent Care for injuries and illnesses such as vomiting, diarrhea, lethargy, limping, wounds, ear infections, eye problems, and constipation! Visit your local VEG and we’ll triage urgent care for your pet immediately. Learn more about the medical services we offer.
WHERE CAN I TAKE MY PET BIRD OR EXOTIC PET IN AN EMERGENCY?
VEG is skilled to handle emergency care for avians, reptiles, and all types of exotic pets.
DO I HAVE TO CALL BEFORE COMING IN?
Though you can just walk into any of our 24 hour hospitals, we recommend calling first so we’re familiar with the situation when you come in.
WHAT CAN I EXPECT AT VEG?
When you take your pet to VEG, you’ll be seen by a veterinarian right away, even before filling out paperwork. We’ll even meet you at your car if you need help bringing in your pet. No waiting in the lobby; you stay with your pet the entire time, even if surgery is involved. And yes, we’re pet lovers, but we’re people-friendly too! We’ll openly discuss diagnosis and treatment options. And we always make sure the pet patient and pet parent are as comfortable as possible.
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