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With three locations, Associated Pediatric Dentistry proudly provides the best dental care to children in the Belleville, O’Fallon, and Glen Carbon areas. Our doctors are knowledgeable and passionate about what they do. At Associated Pediatric Dentistry, we take the oral health of our young patients very seriously and understand going to the dentist can make some children anxious, so we work to make them feel calm and comfortable during their visit with their dentist.

Meet Our Doctors

John R. Markarian, D.M.D.

Known to many of his patients as Dr. John, Dr. Markarian has been treating patients since 1979. He’s been in the business a while and has provided excellent care throughout the years. He obtained his Doctor of Dental Medicine degree from Southern Illinois University/School of Dental Medicine. In addition, he completed a residency in pediatric dentistry at the University of Missouri-Kansas City and a hospital residency at Children's Mercy Hospital.

Dr. Markarian also works at the Memorial Hospital in Belleville and does volunteer work, presenting to schools in the area.

Dr. Markarian is a member of the American Dental Association, Illinois State Dental Society, American Academy of Pediatric Dentistry, Illinois Society of Pediatric Dentistry and the St. Clair District Dental Society, of which he served as president, president-elect and program chairman. Dr. Markarian has also achieved Diplomat status with the American Board of Pediatric Dentistry.

Dr. Markarian lives in Belleville with his wife Debra; they have two children and one grandchild. He also loves playing tennis, skiing, mountain biking, and fitness. Staying in shape keeps him healthy and happy, which means he’s able to provide your family with the best possible dental care.

Kevin C. Beyersdorfer, D.D.S.

Known to many of his patients as Dr. Kevin, Dr. Beyersdorfer has been with the practice since 1991. He attended the University of Illinois College of Dentistry, where he received his degree in Pediatric Dentistry. He also attended the University of Illinois in Champain/Urbana for his Bachelor’s of Science degree. Additionally he’s worked as an instructor at the Southern Illinois University School of Dentistry.

Dr. Kevin is also on staff at Memorial Hospital in Belleville, Illinois. To give back to the community, he volunteers giving presentations to local schools. Past member of the St. Clair County Mental Health Board and served for six years on Althoff Catholic School Board. He is actively involved in St. Teresa School and Parish and serves as a Eucharstic Minister.

Dr. Kevin is a member of the American Dental Association American, Academy of Pediatric Dentistry, Illinois State Dental Society and the St. Clair District Dental Society. Dr. Kevin is also a Diplomat with the American Board of Pediatric Dentistry.

Dr. Kevin’s home is in Belleville with his wife and four daughters. They love to travel, and enjoy the arts. He attends all his kids’ sporting events and has become an active member in their school’s community. Dr. Kevin enjoys baking and often donates many of his goods to school functions. You may recognize his name because his family owned and operated “Beyersdorfer Pastry Shop” in Metro East.

Gerusa Mello-Burstadt, D.D.S.

Known to many of her patients as Dr. Mello, Dr. Mello-Burstadt has been board certified and in private practice for over twenty-five years. Her Doctor of Dental Sciences degree is from PUC Catholic University, Brazil. Her pediatric dentistry residency, which she completed in 1988, is from the University of Illinois Chicago. After completing this, she worked for ten years teaching pediatric dentistry at the University of Illinois. She is fluent in both Spanish and Portuguese.

Dr. Mello-Burstadt also works at the Memorial Hospital in Belleville and does volunteer work, presenting to schools in the area.

She is actively involved with the American Academy of Pediatric Dentistry, is a Diplomat of the American Board of Pediatric Dentistry, the Illinois Society of Pediatric Dentistry, the Illinois State Dental Society, St. Clair District Society and the American Dental Association.

Dr. Mello-Burnstadt and her husband, Michael live in Edwardsville, Illinois and spend their free time traveling and being with their kids, dogs, and cats.