Williamson Animal Hospital

09/24/2026

09/16/2026

Special Hours

The Williamson Animal Hospital will be open the following hours this week and next while Dr. Semilof is out of the office:

Friday, Sept. 18: 8 am to 2 pm
Saturday, Sept. 19: CLOSED
Monday, Sept. 21: 8 am to 1 pm
Tuesday, Sept. 22: 8 am to 1 pm
Wednesday, Sept. 23: 8 am to 1 pm (for med pick up only)
Thursday, Sept. 24: CLOSED

Dr. Semilof will NOT be available for emergencies during these times.

If you have an emergency, please call Ark Urgent Care at (585) 487-8700 or Rochester Emergency Vet Services at (585) 775-0020

We ask that you please plan ahead with any medication requests.
We encourage you to follow us on Facebook for regular updates on news and hospital closings.

We apologize for the inconvenience.

Meet Snowflake! Snowflake is a Siamese who just celebrated her 13th birthday Sept. 1! Join us in wishing her a very happy birthday!

08/28/2026

FULLY VETTED FREE KITTENS!

The Williamson Animal Hospital has two approximately 6-month-old kittens in need of the forever homes. These little ones are sweet but they are in need some one-on-one socializing. Anyone who is interested in meeting them can make arrangements with the staff at the reception desk.

Pictured on the left is a female, tabby, domestic shorthair. She’s the bravest of the pair and has quite a purr.

And pictured on the left is a female, black, domestic shorthair. She’s finding her courage but promises to be a great love.

They both love to play!

Anyone interested in meeting these little fur babies, please call or text 315-589-8439.

08/08/2026

08/03/2026

Special Hours

The Williamson Animal Hospital will be open the following hours this week while Dr. Semilof is out of the office.

Monday, Aug. 3: 8 am to 8 pm
Tuesday, Aug. 4: 9 am to 4 pm
Wednesday, Aug. 5: 9 am to noon
Thursday, Aug. 6: 9 am to 4 pm
Friday and Saturday, Aug. 7 and 8: CLOSED

Dr. Semilof will NOT be available for emergencies during these times.

If you have an emergency, please call Ark Urgent Care at (585) 487-8700 or Rochester Emergency Vet Services at (585) 775-0020

We ask that you please plan ahead with any medication requests.

We apologize for the inconvenience.

07/10/2026

We want to emphasize that we do not, are not, and will not attempt to sell products through our page or in the comment sections. Unfortunately, scams are prevalent, and we're striving to monitor them. However, their sheer volume makes it challenging to keep pace. Please refrain from purchasing anything from our page, as these are not legitimate offers from us.

06/18/2026

Closed for upcoming Saturdays

The Williamson Animal Hospital will be closed the following Saturdays: June 20, June 27, July 4 and July 18.

Please plan for medication pick up accordingly. We apologize for the inconvenience.

Meet Grace! Today is a very special day for Grace as she turns 13 years old! Her mom and Dad shared a picture of Grace turning 1 and a picture of her today! She looks great! Happy birthday, Grace! We wish you many more.

06/11/2026

WATERLOO — Before Dallyn Jenkins died in October 2024, she made her friend Caitlin Reese promise that if she left Reese the Beverly Animal Shelter, she would place the welfare

06/11/2026

The New York State Department of Health's Wadsworth Laboratory has confirmed rabies in a cat from the Town of Galen. One person was exposed and is being treated. Wayne County Public Health is urging residents to avoid wildlife and to ensure all domestic cats, dogs and ferrets are vaccinated for rabies. Wayne County Public Health will be holding free rabies vaccination clinics this month. To register visit https://apps2.health.ny.gov/doh2/applinks/cdmspr/2/counties?OpID=53D7BD00AAD4C1D1E0631403580A31F2
For more information on rabies go to https://www.waynecountyny.gov/881/Public-Health or https://www.health.ny.gov/diseases/communicable/zoonoses/rabies/