


In case of emergencies that occur during our business hours, you do not need an appointment to bring your pet in for treatment. For exotic pet emergencies, please call ahead before coming in so we can ensure we’re able to provide the appropriate care for your pet.
Our emergency vet team is trusted by pet owners for urgent dog and cat care. As a leading animal hospital, we combine skilled veterinarians with compassion to guide every pet’s recovery.

For injuries or illnesses that simply cannot wait

Performed on-site to immediately diagnose fractures, stones, foreign ingestions, and more.

Scheduled surgeries with a skilled veterinarian on-site

Gentle, compassionate care during the most difficult time.

We offer in-house testing and partner with a trusted lab for advanced diagnostics.

We provide immediate care to get your pet on the road to recovery. If overnight care is required, we will work with you to ensure a smooth transfer to a 24-hour facility for continued treatment.
Our hospital provides urgent treatment under one roof, from surgery to X-rays. Pet parents also rely on us for diagnostics, advanced procedures, and preventive services for Dogs and Cats
Spaying and neutering can do more than prevent unwanted litters—it supports your pet’s overall health and behavior. Spay & neuter procedures lower the risk of certain cancers and infections, and help reduce behaviors like spraying, howling, or roaming. Choosing to spay & neuter your pet also means a calmer, healthier companion and a more peaceful home—for both of you.
Pet parents rely on our vet clinic for expert spay and neuter services. Our hospital combines compassion with medical skill to ensure the best outcome for every Dog or Cat.
Meet the people that make Olde Towne Animal Hospital so special and who strive to give your pet the care and attention they deserve at each and every visit.

VMD & Co-Owner

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VMD & Co-Owner

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Dr. Marcy MacMillan is dedicated to practicing veterinary medicine with a compassionate and personalized approach, ensuring the health and well-being of each patient while building strong relationships with their human families.




"Staff is friendly, did not have to wait long for my dog's exam appointment. Dr. Carman was thorough, patient and wonderful to work with and seemed to really care about my dog. I highly recommend Southampton Old Towne Animal Hospital."
- Chris C
"Dr Marcy MacMillan is a brilliant veterinarian with a gentle and calming manner. Our dogs love going to Olde Towne for check ups and hoarding. Her staff is always on point. There’s only one best!"
- Zen B
"Olde Towne Animal Hospital is a great veterinary office! Dr. Macmillan is an awesome vet and I highly recommend her! Also love Melissa, Nichole, and Maria! Thank you for taking such good care of my dogs!"
- Shaina C
"The staff was great and provided feedback every step of the way during visit. Coming from out of town, we felt this was a great visit and experience. Thanks!"
- Steve T
"The office is great to deal with, everyone always pleasant. Dr Macmillan is sensitive to your feelings. She never makes me feel rushed. I’m very happy"
- Rose L












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