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Nassau Veterinary Clinic As a dedicated pet owner, you probably view your furry loved one as a beloved member of your family. And like other family members, he or she deserves the highest quality medical care. At Nassau Veterinary Clinic, we provide excellent medical and non-medical veterinary care in a compassionate environment.

Microchipping, boarding, geriatric care, behavior consultations, dentistry, laboratory services, and surgery are just a few of the ways we can fulfill your pet's needs. Founded in 1937, NVC is one of the oldest animal hospitals in the state, and our veterinarians are known for their friendly, experienced service.
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Founded more than 80 years ago, Nassau Veterinary Clinic is one of the oldest animal hospitals in New York State. Since 1937, our veterinarians have provided trusted care in a caring environment, bringing pets and their humans closer together. Pet owners consider their pets to be members of the family.
Every member of the team at Nassau Veterinary Clinic is committed to providing the high-quality care your pet deserves, in a safe and friendly environment. Our qualified veterinarians deliver the level of treatment, preventative care, and other services that promote your pet's long-term health and happiness.
Dr. Harry M. Zweig founded Nassau Veterinary Clinic in 1937. It is one of the oldest animal hospitals in New York State! Believe it or not, many of our original patients were family cows and sheep! In 1956, Dr. Herbert Dietrich joined Dr. Zweig. Many changes have occurred in our clinic and in veterinary medicine since the 1950's.
Nassau Veterinary Clinic sets high standards for the medical care of your pet. We currently hold the highest certification level granted by the American Animal Hospital Association (AAHA). Their certification is voluntary and quite stringent. AAHA requires onsite inspection, medical record review and outside evaluation of diagnostic procedures such as x-rays.
Reviews (20)
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Kelly Del Principe
Mar 11, 2022
Staff is warm and kind to my animals. They are friendly and always have a smile on. Doctors are thorough and make sure that I understand everything they say. My animals have been coming here for a few years. I live 35 min away and would drive an hour if I had to. My dog has had 2 knee surgeries and a tooth extraction, cat had been on deaths door and they fixed them both us great. I love this Vet Clinic!
Anna Steiner Md
Jan 14, 2022
DR Jennifer R. Haber spent 30 minutes TO TEACH my daughter and her beloved black German Shepard, Zelda, how to care for Zelda horrible skin condition, that we tried for 6 months.with no results. Thank you Dr Jennifer You provide service at 4 30 pm and you served our dog till 6 pm. with all help, that Zelda is doing much better Thank you so much Zelda
Kathy Ha
Nov 14, 2021
I've been bringing my senior dog Bella here for over a year now, and she is in VERY good hands. The doctors and staff are friendly, compassionate and professional. We recently had to bring in our 13 year old cat Indy for an emergency exam. We quickly learned he had advanced kidney failure, and the doctors compassionately and professionally guided us through the process of euthanasia.

We were so grateful that the staff was able to hold space and facilitate this for us - we really felt our relationship with our cat was honored in the process and care. Thank you Nassau Veterinary Clinic, we will continue to bring our beloved pets here!
Michael M.
Aug 10, 2021
All I wanted was an appointment to get my dog's teeth cleaned and an xray taken, but they wouldn't schedule an appointment with his dental records. My dog doesn't have any dental records because he's never had his teeth cleaned. The front desk kept putting me on hold because she didn't seem to know anything and had to ask about every question.

She said I'd have to make an appointment to have my dog evaluated before he could even have his teeth cleaned. If it's this hard to make an appointment with their passive-aggressive front desk person then it seems like the place is over bureaucratic and disorganized and wants to overcharge for their services by creating layers of redundant appointments.
Cory Antiel
Jun 24, 2021
Amazing! This is the best vet clinic my pets have ever been to. Dr. Rose couldn't be nicer, and every tech I interacted with was incredibly kind and understanding. They called several times to follow up after my visit. Their COVID protocols have made me feel very safe throughout the pandemic. One of our little cats is going back for grooming tomorrow!
Dayle Scott
May 28, 2021
Always happy with Nassau Veterinary Clinic. With all the challenges right now, they're doing a great job! I cannot give my cat pills or cut her nails so always take her there. Much easier. Didn't have to wait long to get an appointment either.
William Cohn
May 13, 2021
Highly recommend, Always been an excellent experience. Great with my pets
Sandra Crandall
May 09, 2021
I had to take my dog there for a referral for dental surgery and a few tumors removed. They were amazing. The staff is so happy and helpful and professional. The Doctor explained everything to me and I totally understood what was going to happen and why. They even called at night to check on her just like a human hospital would do. Totally impressed with them.
Lisa Molloy
Apr 21, 2021
My original vet's office closed and I took Denise (no I never named her) to their office. Nothing short of fantastic, they have kept in touch, Dr Shane has even called herself after hours to check on on how the dog was doing. Absolutely would recommend and am exceptionally happy that I took my dog there
Joel & Julie Moses
Apr 20, 2021
I have been going here for years. I've had some cats with some pretty serious health issues and they were always cared for with compassion and with the highest level of care. I drive an hour to bring my cats here and would not take them anywhere else.
Aaron Schick
Feb 02, 2021
I am very impressed with this facility. Dr. Tom Phillips identified a relatively rare stomatitis in my beloved cat. 2 vets have seen the cat previously for symptoms of this condition and had little to offer as an explanation or ultimate solution. I feel confident going into surgery with his expertise. Thank you very much Nassau Vet Clinic for your professionalism and expertise.
Michael R.
Aug 01, 2019
I would like to thank the caring and compassionate staff at the Nassau Vet Clinic. My cat (Tiger) received multiple fractures of his jaw and a puncture wound in his palate. Dr. Philips was reassuring that Tiger would have a complete recovery. His experience and compassionate demeanor was very comforting to me in this time of stress. Tiger was operated on and we kept him there for a few days. Post-op care has been exceptional and Tiger has been made more comfortable after his traumatic experience.

I would recommend Dr. Philips and his dental skills to any pet owner. The front end staff are caring, compassionate, and were informative answering my questions. Overall, an excellent place to bring your loved ones. My thanks again to you all. Michael R.
Shay G.
Feb 10, 2018
I have been going here for years. Dr Phillips saved my boxers life when he was a puppy. I remember my husband carrying him inside because he couldn't walk on his back legs extremely high fever. I really thought my dog was going to die and I remember Dr Phillips replying with. not if I can help it and he was true to his word. He put him on IVs and he did a 360 and for that I will be forever grateful to Nassau vet.

My dog absolutely loves Dr Dietrich and Alex. I have to say my boxer has a file full of health issues and Dr Deitrich has gone above and beyond as his vet. I wouldn't trust anyone else with my pets and that say a lot because my pets are my world.
Hal W.
Aug 09, 2017
Condescending, smug, 'advocates' for my dog. No, you're an advocate for your bottom line. If getting nickel and dimed. I mean, if getting $20 and $50'd into poverty somehow makes you feel like you're 'doing night' by your animal, then this is the place for you. I do believe they throw the condescending, air of superiority in for free. But I'd have to check my receipt to be sure.
Lynn S.
Feb 20, 2017
I have been using Nassau Vet Clinic for years, as vet services, training, never boarding though. Unfortunately a few months ago they gave both our cats a deadly dose of a medication. They did not know the medication from the manufacturer was bad and should not have been given. That being said, they have not assisted us to recover all of our medical costs while trying to save our two cats as well as the cost for cremation. Knowing with all documentation this was the reasoning. Very disappointed in how they handled this situation. I will never do business with them again! Two cats dead within a month of one another, b/c of their actions!
Melinda W.
Jul 09, 2016
We recently needed to establish a regular vet for our two cats close to our new house. Nassau Vet has been wonderful. Friendly staff, responsive to calls and questions, and they were able to quickly fit us in for an appointment. They have very convenient hours, including evening nights and weekends. Our one cat is a bit of a difficult patient, and they were very accommodating.

During her exam they had a vet tech stay and feed her treats to distract her. It worked like a charm! Overall they were very gentle and compassionate to our pets, clearly explained things, and made us feel very comfortable with the level of service and care provided. Highly recommended.
Daniel R.
Jun 23, 2016
Taking your pet to the vet is rarely a pleasant experience. Between the worry that there might be something wrong with your little guy or gal to having to leave your pet behind for the day (or a couple of days) to have work done, it takes a special kind of place to alleviate the stress involved with this process. Nassau Veterinary Clinic is a professional operation on every level.

It starts when you're greeted at the door by the clinic staff, all of which standing at the ready with smiles on their faces. The waiting area for patients is clean and organized. In each of my experiences here, I didn't wait more than a couple of minutes before being shown to a private room where you and your pet can both relax. The doctors at Nassau Veterinary Clinic are also fantastic.

I worked with Dr. Phillips in identifying and correcting a handful of dental issues that had been affecting my cat. Before any procedures were scheduled, Dr. Phillips took the time to meet with me and thoroughly explain his plan, along with the reasons why he felt the procedure was necessary. He referred to contemporary research, presented pictures, and other information as he detailed these plans.

This is something that I really appreciated and contrary to all other vet experiences I've had throughout my life. Then, when the day of the procedure arrived, the Clinic continued in providing the necessary support and resources to ensure that everything went smoothly. It was more than just dropping off and picking up my pet - there was a pre-surgery meeting when everything was detailed and specifics were confirmed, I received a call halfway through the procedure to report that everything was going fine, and there was also a post-surgery meeting to discuss aftercare.

Even after returning home for a couple of hours, the Clinic staff called to make sure that everything was going okay. While this was a pricey endeavor, I would certainly rather pay a little extra to get the treatment that we received. The bedside manner, compassion, and professionalism of the Nassau Veterinary Clinic are truly unparalleled in my experience. When you are faced with the difficult decision of bringing your pet to a vet, you should absolutely make the drive to Nassau. You won't be sorry that you did.
Colleen D.
Nov 03, 2015
Been going here for 15 years. Their care is top notch and the facility is extremely clean. I highly recommend. Love Dr. Shane and Dr. Phillips. They call to check on their patients!
Katie V.
Jan 30, 2014
Can I give 6 stars? : My dog had surgery here last week. The surgeon called me immediately after the surgery to let me know how things went and about a small problem they encountered during the surgery that they were able to manage. All of my questions were answered thoroughly, and the aftercare materials they provided were very helpful. It even came in well under the estimate, despite the complication that required some extra procedures. My pooch is recovering well and I am very happy with their service.
Floyd M.
Feb 17, 2013
Dont go here. This is a Vet factory. They will try everything possible to get as much money out of you as they can, using your feelings for your pet as leverage. Its a perfect example of what Vets have become. Go to Miller. They care about animals, this place cares about profits.