Stunning Results

As dental professionals it is our priority to provide quality dental care you can trust.

(708) 429-4700




General and Cosmetic Dentistry


When you visit our Tinley Park office, your smile is our top priority.  Our entire team is dedicated to providing you with the personalized, gentle care that you deserve. 

Part of our commitment to serving our patients includes providing information that helps them to make more informed decisions about their oral health needs.  This website is a resource we hope you’ll find both useful and interesting.

If you have an emerency and need to be seen right away, please call our office.   We will see emergency patients on selected times throughout the day.

Contact Us Today!

We genuinely hope this site is helpful to you in learning more about our practice, dental conditions and treatments, dental recommendations, and more.

Please browse through our website and be sure to give us a call if you have any questions or would like to schedule an appointment.

Our office hours are as follows:

Mondays:    8:30am-7:00pm       

Tuesdays:    8:30am-5:00pm      

Wednesdays:   CLOSED

Thursdays:    8:30am-7:00pm

Fridays:      Selected Fridays from 9:00am-1:00pm                  

Saturdays:   1st & 3rd Saturdays of the month from 8:30am-12:00pm

We are now on Facebook.....Join us!

John R. O'Brien, D.D.S., P.C.
16345 Harlem Ave Ste 160
Tinley Park, IL 60477
Phone: (708) 429-4700
Fax: (708) 532-5070

Smile With Confidence

Let our dedicated dental professionals help you achieve a smile that you can be proud of!


We at Prosites sincerely appreciate the opportunity to design and host your new website. Your dedication to educating and serving your patients is evident by the excellent information and background your website provides to visitors. We salute your efforts in providing that extra level of communication and service that is so important to patients.

Lance V. McCollough President & CEO Prosites, Inc.

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Dental Health

Compassionate dental professionals committed to providing quality care in a relaxing atmosphere.