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Full Service Small Animal Hospital - Danny R. Stark, DVM, Richard L. Loof, DVM, Wendy K. Byrnes, DVM

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General Info
Sullivan Veterinary Service, S.C. Sullivan Veterinary Service, S.C. is a full-service veterinary medical facility, located in Sullivan, Wisconsin. The professional and courteous staff at Sullivan Veterinary Service, S.C. seeks to provide the best possible medical care, surgical care and dental care for their highly-valued patients. We are committed to promoting responsible pet ownership, preventative health care and health-related educational opportunities for our clients. Sullivan Veterinary Service, S.C. strives to offer excellence in veterinary care to Sullivan, Wisconsin and surrounding areas. Please take a moment to contact us today, to learn more about our veterinary practice and to find out more information about how Sullivan Veterinary Service, S.C. can serve the needs of you and your cherished pet.

Regular Hours


  • Animal Boarding
  • Animal Flea Control
  • Animal Microchipping
  • Declawing
  • Equine Vet
  • Exotic Animal Vet
  • Large Animal Vet
  • Small Animal Vet
  • Spaying/Neutering
  • Veterinarians
  • Veterinary Dentistry
  • Veterinary Docking
  • Veterinary Euthanasia
  • Veterinary House Calls
  • Veterinary Medical Specialties
  • Veterinary Surgery
  • Veterinary Vaccinations
Corner Of Hwy 18 & Hwy F
Veterinarians, Veterinary Clinics & Hospitals


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Kim E.



Today my puppy jumped out the window of my car while I was driving. He was scraped up pretty bad and I wanted to have him seen by a vet to rule out any other injuries. I was an hour from our regular vet, so I chose Sullivan Veterinary Service because my mom has taken her dog to them for years. I called (crying my eyes out) 15 minutes before they closed. Dr. Loof met us in the parking lot. He was SO compassionate to my puppy and me (even offering me water because I was so upset.) He took time to explain everything he did. He was thorough and kind. Lynette at the front desk was friendly and made me feel comfortable. I so appreciate how they handled this situation that was traumatic for me. I would recommend Dr. Loof to anyone!



Provided by Citysearch - 
Great place for a dog lover!

Dr. Wendy is an extremely professional and knowledgeable vet. I drive from Milwaukee to see her, because of the great care she has given my animals for the last 15 years. I would definitely recommend this clinic.



Caring staff that was very hel...

Caring staff that was very helpful in a difficult time of loss for our pets. I would recommend.



Provided by Citysearch - 
Very disappointed.

Be very careful when dealing with Dr. Wendy K. Byrnes , DVM. She will quote a price of care with your pet and then doesn't inform you that the care will cost more. Then she goes ahead and does work on your pet and when you go to pick your pet up the cost is a couple hundred dollars more than what she quoted you. I was grateful they got my pet in right away with his emergency situation but my pet got worse, continued bleeding and wouldn't eat ANYTHING whatsoever for a week and then passed away. We discussed the situation with the vet and asked for a refund on the extra 200 she charged us and she just said she was sorry and hung up on us. Our family always dealt with the other vets at this clinic for almost 20 yrs and never ran into a vet like her. Make sure you get any dealings with her on paper before letting her treat your pet because she doesn't honor verbal estimates.



Avoid at all cost. Incompetant...

Avoid at all cost. Incompetant and self-serving. Prepare for grief if you choose this service.