Meet The Doctor

Dr. Greg Nairn, DMD

Doctor of Medicine in Dentistry

Dr. Greg Nairn grew up in the Washington area and currently lives in McMurray with his wife and two children. He attended John Carroll University in Cleveland, Ohio where he received his undergraduate degree in arts and literature. He returned to school and obtained his Bachelor of Science degree from the University of Maryland and attended the University of Pittsburgh where he received his degree of Doctor of Dental Medicine.

Dr. Greg actively participates in continuing education courses and is dedicated to the most recent advancements in cosmetic dentistry and latest technologies.

Dr. Greg utilizes advancements in digital imaging which enables his patients to preview their smile prior to the start of treatment and the use of sophisticated digital x-ray and intra-oral cameras. He performs all dental procedures including crowns, bridges, tooth colored restorations, partials, veneers, implant crowns, and dentures.

Dr. Greg is an active member of the American Dental Association, Pennsylvania Dental Association and the Spear Study Club. Since 2010, he has been nominated by his colleagues and named one of the top dentists in the Pittsburgh area by Pittsburgh Magazine. He has received a 98% satisfaction rating and 4.8 out of 5 stars on over 400 certified patient reviews.

When Dr. Greg is not practicing cosmetic dentistry he spends most of his time with his family. Locally, he is a sponsor of the American Cancer Society, Brownson House, Washington Women’s Shelter and various other civic organizations.


Associates In Dentistry: Gregory A. Nairn, DMD is a Washington based family dentist practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using state-of-the-art dental equipment. We are a cosmetic dentist that offers services like checkups, teeth cleaning, crowns, veneers and more.


We also perform emergency dentist services that include bonding, root canals, crowns, and bridges. As a local dentist, we create lifelong relationships with our patients and their families and work to ensure that they receive treatments in a comfortable and relaxed environment. Dr. Nairn and our staff invite you to schedule an appointment by calling 724-213-9470 and experience why our patients think Associates In Dentistry: Gregory A. Nairn, DMD is the best dentist in Washington.



Meet Our Team


Our philosophy is simple. Treat each patient as if they are a part of our own family. Associates in Dentistry is committed to providing our patients with the highest quality oral health care in the most gentle, efficient manner possible. Most importantly, we listen carefully to each patients' primary concern allowing us to develop an individualized treatment plan. With the aid of our chairside monitors, the patient can visualize how the procedures are to be performed and how their overall oral health will improve. Treatment options give the patient the opportunity to select how treatment will proceed. Listening and designing a plan based on the needs and interests of our patients' results in satisfaction and a healthy, beautiful smile.


Dental Assistants

Dental Assistants

Assistants (from left to right):
Tabitha Grogan (EFDA)
Rachel Shade (EFDA)
Candace Gordon (EFDA)


Hygiene Team

Hygiene Team

Hygienists (from left to right):
Heather Neff (RDH)
Alicia Hunt (RDH)



Front Desk Staff

Front Desk Staff

Front Desk Staff (from left to right):
Autumn Justice
Tracy O’Neil
Beth Nairn