call: 219-755-0123
Dentist John G. Kostides, DDS dentists office in Merrillville - Showing the brick front exterior and front door of a modern dentist in Merrillville Indiana.
John G. Kostides, D.D.S, P.C.

Dentist In Merrillville | Local Dentists Office In Merrillville Indiana

A Dentist For A Lifetime of Healthy Teeth and Gums!

Read our Patient Testimonies

Welcome to John G. Kostides, D.D.S, P.C.

We are proud to have the opportunity to be a local dentist in Merrillville, Crown Point, and surrounding communities for over 32 years. We are known in the community for providing our patients quality dental care in a respectful, caring and, comfortable environment. This is accomplished through good communication, proper education, and the most current technologies available.

Progressive Methods and a Caring Approach
The relationship we establish with our patients is based on our office being “patient-centered” meaning that your positive experience, in every detail, is our primary concern. It is with this that we continually communicate our appreciation for choosing us to care for your oral health, as it is because of our patients that we exist.
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Here is what People are Saying About Us

“Amazing staff, technicians and dentist. Very friendly and super helpful. Absolutely don’t make you feel bad about the state of your teeth and are more than willing to work on a care plan with you. 10/10 definitely recommend.”


“Dr. Kostides and his team are outstanding!!! I've had many dentists in my almost 60 years, either because of location or not caring for their care. However, I've been with Dr. K for at least 10 years because they ROCK!!!!! They are so thorough, professional, truly caring and so friendly. It doesn't get any better!!! Plus, he saved me money by providing great alternatives. Thank you, Dr. Kostides, for continuing your and your staff's stellar service.”​

Diane Sanders

From the time I entered the office until I left, I could not have been treated better. The office staff, as well as the clinical staff are friendly, professional, and extremely competent. Dr. Kostides is very easy to talk with and his examination was very thorough as were his explanations during the examination. This was my first visit and I left confident that I will be getting great care.”​

John Cory​

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Phone: (219) 755-0123


Office Hours

Monday: 9:00am to 6:00pm
9:00am to 5:00pm
9:00am to 6:00pm
1:00pm to 6:00pm

2875 Main St, Frisco, TX 75034

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