About Us

O’Leary Dental Office North East, PA – Meet Our Team

O’Leary Dental specializes in cosmetic, reconstructive, restorative, orthodontic and family dentistry with a great emphasis on preserving your natural, genuine, and beautiful smile. The O’Leary Dental Office was founded by Dr. Marcellus R. O’Leary in 1932 and has been offering quality comprehensive dentistry to the surrounding area for over 85 years. we continue to provide the most advanced but proven dentistry available. Our office is composed of an exceptional team whose only purpose is to assure your utmost satisfaction. With a joint partnership with you in your long-term dental goals, our office ensures the realization of healthy dental well-being.

O’Leary Dental focuses on optimizing the comfort and minimizing the pain by designing treatment plans that meet each patient’s individual needs. We work to educate our patients on the best ways to achieve and maintain optimal oral health. Our team evaluates changes and advances in modern dentistry and uses only those that best serve each patient’s unique dental needs.

At O’Leary Dental Office, we focus on creating a successful outcome for you, while assuring a very comfortable environment where you feel ease and calmness in going through any dental procedure you may need.

Call us today to book an appointment

Meet O’Leary’s Highly Qualified Dentists


Dr. Joseph M. O’Leary, DDS

Dr. Joseph O’Leary is a graduate of the University of Notre Dame where he received his Bachelor of Science. He subsequently attended West Virginia University Dental School earning a Doctor of Dental Surgery degree. He has pioneered the application of Microscopic Dentistry to all areas of his dentistry. He has undertaken studies in the neuromuscular treatment of TMJ/TMD and full face Orthodontics.

Dr. Joseph O’Leary is committed to his patients’ full satisfaction. His continuing education assures that his procedures only follow the latest dental techniques with the most updated technology available.

Dr. G. Peter Moylan III, DMD

Dr. Peter Moylan is a native to North East and went on to earn his undergraduate degree from the University of Pittsburgh in 1981. He received his Doctor of Dental degree from Temple University. Following dental school, he began his career joining the practice of his father at O’Leary Dental Office. Dr. Moylan is a member of the Erie County Dental Association.

Dr. Moylan enjoys spending his free time with his wife, Ann, and daughters Kelly and Megan. Golfing and skiing are a family affair!

Our office uses only cutting-edge technology to ensure that we only offer the best for your treatments. If you’d like to learn more about our services, or need to schedule an appointment, contact us today!