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About Our Hospital

Since 1997, Jefferson Animal Hospital has been providing families in Port Jefferson and beyond with compassionate veterinary care for their beloved pets.

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Veterinary Care You Can Depend On

Jefferson Animal Hospital is a full-service animal hospital, offering emergency services as well as less urgent preventive, diagnostic and surgical care for dogs, cats, and avian and exotic animals

We offer a wide range of comprehensive veterinary services to keep your pets in great health, from vaccinations to dental care. We also provide boarding services for pets. 

Core Care Services   Boarding Services

Compassionate, Experienced Vets

Our vets at Jefferson Animal Hospital are here to help. We are dedicated to providing exceptional veterinary care for you and your pets in a relaxed, comfortable, and friendly environment. 

Meet Our Veterinarians    

Jefferson Animal Hospital in Port Jefferson

Our Pet Care Philosophy

It is our mission to provide state-of-the-art medical care with compassion and exceptional service to our patients. Our Port Jefferson veterinary team is very close to each other and has developed genuine friendships.

Why Trust Us?

Jefferson Animal Hospital in Port Jefferson

Our Commitment

We want you to feel comfortable trusting your pet's care to our veterinary staff. At Jefferson Animal Hospital, we remember our clients and have developed connections and relationships with hundreds of our clients and their pets. We will always go the extra mile and treat your pets as our own.

Please contact us to arrange a preliminary appointment - we'd love to get to know you and your companion.

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Hospital Features

Convenient Location 

Wheelchair Accessible

Convenient Free Parking

In-House Lab & Pharmacy

Multi-Pet Appointments

Multiple Languages Spoken (English, Spanish)

Phone Call Appointment Reminders

Online Store / Pharmacy

Relaxed Environment

Same-day Appointments

New Patients Welcome

Jefferson Animal Hospital is accepting new patients! Our experienced vets are passionate about the health of Port Jefferson companion animals. Get in touch today to book your pet's first appointment.

Contact Us

Book Online (631) 473-0415