Veterinary Health Care of Groton

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10 Hollis Street
Groton Center

10 Hollis Street, Groton Center

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Please be advised that our office will be closed starting July 4th through July 14th​ to allow for a staff summer vacation.

Should your pet need medical attention for any minor injuries, illness, or follow up during this time, you may schedule an appointment at ​Middlesex Veterinary Center in Littleton (978-952-8500).​ Dr. Mockler is happy to care for Dr. Thomas’ patients while she is away.

If you should experience a medical emergency with your pet, we recommend you take him/her to the ​Westford Veterinary Emergency and Referral Center in Westford (978-577-6525).

We wish you and your family a Happy 4th!
Regular office hours will resume on Monday, July 15th at 8:00a

 We treat your pets as if they were our own

Partnering with you for the best medical decisions
Grey cat


We offer comprehensive client communication with exceptional customer service in a polite, friendly, and comfortable environment.



We are driven to provide the highest veterinary medical care for the animals entrusted to our care.

Utilizing state-of-the-art diagnostic tools and a highly trained, experienced professional staff.

Black and white dog


Our pledge is to always do our very best to serve you and to provide your pets with the compassionate care they deserve.

Our drive comes from our genuine concern for your pet's health and our respect for your commitment to their well being.

About Us

Located in the center of Groton, our veterinary hospital


We treat your beloved companion dogs and cats at our clean, modern facility with state-of-the-art equipment and expert, caring staff.
Cat and dog


Wellness & Urgent Care Visits 
Routine Surgery & Dental Services
Specialists brought in & referrals as needed

Learn more about our services

What people are saying about us

Dr. Claire Thomas DVM

Dr. Claire Thomas

"BEST EXPERIENCE in a long time at a vet! Loved this personal attention! Change is good!!!"
- Kerry M. of Groton, MA
"What a breath of fresh air!! Everyone is so nice and very informative. I love that they take the time to explain everything and provide detailed information and followed up after our visit. What a great team!!!! Thank you"
- Gina J. of Pepperell, MA
Owner of Logan & Tiger
"Dr. Thomas has always shown outstanding care and affection for our "Bo". She treats him, knowing that he is part of our family and we will follow her and her practice wherever she goes!"
- Erin O. of Hollis, NH
Owner of Bo
"I came in today for my kitten’s first vet appointment, and they were awesome!! It was such a welcoming place, (they even gave us a tour!) and new and clean. Everyone was so nice! My kitty was very nervous but they were so good with him! Love this place"
- Chloe M. of Groton, MA
Owner of Alton
"Just brought my cat Teddy for his first visit - Dr Thomas and staff are top notch.!! Very patient and kind -Beautiful office !!
Though Teddy is not at all happy with me because he left wearing the cone of shame !! He will thank everyone when his eye feels better."
- Kathy V. of Hollis, NH
Owner of Cooper & Teddy
"Fantastic facility with wonderful, caring, personable staff!! Dr. Thomas is incredibly knowledgable and I appreciate how much time she spent talking to me and answering questions. Highly recommend!"
- Cynthia L. of Groton, MA
Owner of Boots
"It is the cleanest vet we have ever been to and Micayla and kim here are great! They were so knowledgeable and gave the best advice. Dr. Thomas is so down to earth and honest about what is right for you and your dog and I appreciate that so much. My dog felt beyond comfortable there, he didn't even want to leave!"
- Liv G. of Lowell, MA
Owner of Obi
"Just brought our boxer mix in for an exam and infection on her paw, the staff was very knowledgeable kind patient and explained everything we needed to know. The office was beautiful and we were extremely happy with our service! We will definitely be coming back!"
- Jacqui J. of Tewksbury, MA
Owner of Kiya
"I love Dr Thomas and her staff! The office is clean and easy to get to, the clinic is small with very personalized service but still offering the best and most up to date care. Dr Thomas is one of the most thorough doctors I have ever seen!"
- Jessica S. of Groton, MA
Owner of Kody & Nemo
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Finding Us

We're just off Main Street in Groton Center at
10 Hollis Street
Groton, MA 01450

(978) 448-5100
Fax: (978) 309-0611



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For holiday & Saturday hours,
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Proudly serving clients throughout the Nashoba Valley & southern NH areas including Groton, Westford, Littleton, Dunstable, Devens, Ayer, Chelmsford, Harvard, Shirley, Pepperell, Townsend, Lunenburg, Hollis, and more!
Conveniently located in Groton Center at the corner of Main Street and Hollis Street.