Locust Valley Dentists

Where do you find caring, compassionate, skilled experienced, knowledgeable professionals who treat with respect & grace? Locust Valley Dentists, that's where!

I love Locust Valley Dentists and can’t say enough good things about the entire team. From making your appointment with the girls at the desk to your cleaning, everyone is friendly and accommodating and Dr Koster is amazing. She remembers your name, asks about your family, and truly cares about her patients. Being there feels more like a social visit than a dreaded dentist appointment. The entire team makes you feel welcome and comfortable. It’s truly a pleasure going to see them.

Dr. Koster is an excellent dentist with an experienced, caring staff. There’s no one better than her.

My husband and I are beyond happy to have found Locust Valley Dentist group! We can't say enough about the treatment we have received, the wonderful staff, the top of the line equipment.on and on! On every level they are the BEST.

Great dental office. Dr Koster and her staff was great, super friendly, and very gentle too.

I had a filling today and Dr. Koster made it fast and painless. She is smart, kind and considerate. Highly recommend!

I loved the relaxed atmosphere and staff very much, they care. Not only that but the Doctor was at the top of my list. No pain all gain with the best dental care ever.
Thanks Peter

Dr. Johnnidis and his staff are the best. I have a terrible fear of the dentist and his office makes me feel comfortable, they are professional and caring. Patty his assistant is amazing.

The staff and doctors are very professional and accommodating. I needed an urgent procedure and the whole staff worked together to get me in and made me comfortable and at ease. This practice is family dentistry at its finest. Thank you Dr. Johnnidis. Thank you, Locust Valley Dentist.

Dr. Koster is kind, caring, and meticulous about doing good work. I trust that I am in good hands.

A very thorough and professional cleaning by a warm and welcoming hygienist! The entire staff is friendly and helpful and the environment is pleasant and relaxing.

Dr. J is the best. He really cares about his patients and is simply the best at what he does. His staff is also great and very knowledgeable. They are very caring and they understand their patients.

I'm a new patient as my previous dentist recently retired. While I am sad to end a longstanding relationship with my previous dentist, I am very happy that I was referred to Dr. Koster. Dr. Koster is very professional. She made my transition very comfortable. The office staff very welcoming. I'm very happy to find a new dentist I can trust my with all my dental hygiene needs. Highly recommend Locust Valley Dental Office.

Dr. Koster is thorough, compassionate and knowledgeable. Hygienist, is skillful and personable. A very pleasant atmosphere.
The entire office staff are wonderful!

Dr. Koster has done extensive dental work for me over the years. She is both kind and caring. She is thorough in her work and takes the time to explain in detail what she is doing. Her compassionate nature has a calming effect during her work.