Meet the Doctor

(708) 429-4700

John R. O'Brien, D.D.S., P.C.


Dr. O’Brien has worked as a dentist in the Chicagoland area for the past 34 years.  He received his Bachelor’s degree in Psychology/Biology in 1982 from Loyola University of Chicago.  Dr O’ Brien then attended Loyola University School of Dentistry from which he received his dental degree in 1986.  He is a member of the American Dental Association, Illinois State Dental Society and Chicago Dental Society.


Dr. O’Brien is from Chicago, Illinois.  He is married to Adeline and they have lived in Tinley Park, Illinois for the past 28 years.


Dr. O’Brien is a general dentist who offers dental care for your whole family.  His expertise is with tooth shaded (mercury-free) composite fillings, root canals, whitening, simple extractions, implant restorations, inlays, onlays, crowns, veneers, bridges, dentures, denture repairs, relines, partials and flippers.  He continually refines his skills with continuing education to give his patients the best quality care and to offer them the latest technology and advances in the dental field.


Dr. O’Brien is very gentle, personable and enjoys getting to know his patients.  He is very outgoing and he will put you at ease with his smile and charm.  Dr. O’Brien is very thorough and will take time to listen to any dental concerns and answer any questions the patient may have.








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