OUR TEAM

Dentist - Dr. Peter Viznyak

Dr. Peter Viznyak graduated from the University of Western Ontario in 1997. In January of 1998, he relocated to Northumberland and purchased his current practice in July of 2000. He brought his knowledge and passion for dentistry to his office to serve the local community. His commitment to continuing education allows him to stay current and bring new procedures to his practice.
Dr. Viznyak is an avid photographer.. He and his wife, Nadia live locally, where they raise their two children. They all enjoy travelling, hiking and gardening.

Dr. Viznyak is committed to continual learning and is always engaged and interested in furthering his education and sharpening his skills.

Dentist - Dr. Christiane Geras

Dr. Christiane Geras graduated from the Faculty of Dentistry, Goethe University Frankfurt, Germany in 2011. There, as a clinical instructor and practicing dentist, she received and provided additional training in prosthodontics and operative dentistry. She is a member of the Ontario Dental Association and continues to educate herself on advances in the dental field. As a former figure skater competing for the German national team. she is able to apply vital skills and work ethic to further her knowledge in all aspects of her life and career. Dr. Geras is thrilled to be working with the professional and friendly team at Dr. Viznyak’s office. She is excited to provide a welcoming environment to patients of all ages. Dr. Geras and her husband, Alex, live in downtown Cobourg and enjoy spending their free time on the beach, exercising and cooking together.

Office Manager - Julie

Julie graduated from the Dental Assisting program with honours at Trillium College. Over the years she has gained experience in assisting, reception and office management. After working in the Durham Region for the last 18 years, Julie and her family decided to move east to the quiet town of Port Hope. She started at Dr. Viznyak’s office in July 2020 and is excited to join the team! When Julie is not working or running around for her children, she enjoys travelling, cottaging and skiing with her friends and family.

Dental Hygienist - Robin

Robin graduated with honours from the Dental Hygiene program at Durham College in 1995. She joined Dr. Viznyak’s team in 2000, bringing over 28 years of combined dental experience both in hygiene and assisting. Outside of work, Robin enjoys spending time with her husband and two daughters, as well as creating new recipes in the kitchen and enjoying outdoor activities.

Restorative Dental Hygienist - Leslie

Leslie graduated as a Dental Hygienist in 1998 from George Brown College. She furthered her education to become a Restorative Dental Hygienist in 2001. Since 2007, she has been working alongside with Dr. Viznyak using her restorative skills. She has completed courses in both Functional Orthodontics and Invisalign. In November 2019, she graduated from a two year orthodontic residency program with Dr. B. Rondeau. Her duties in our practice include restorative dentistry and treatment of orthodontic patients. During her free time, Leslie enjoys the outdoors and travelling.

Dental Hygienist - Sara

Sara graduated from Dental Assisting at Algonquin College in 2015. After five years of experience working as a dental assistant in oral surgery, periodontics, endodontics, and restorative dentistry. Sara furthered her education and graduated from the Dental Hygiene program at Durham College in 2019. Since graduation, she’s been working full-time as a Registered Dental Hygienist, recently joining Dr.Viznyak’s team of dental professionals. In her spare time, she enjoys spending time outdoors and with her family and friends.

Dental Hygienist - Dia

Dia graduated with honours from the Dental Hygiene program at Niagara College in 2017. She loves dental hygiene and has a true passion for oral health and patient care. In her spare time, Dia loves photography, being outdoors and spending time with friends and family.

Dental Assistant - Brenda

Brenda graduated in 1987 as a dental assistant from the Toronto School of Business. She joined Dr. Viznyak’s dental team as his assistant in 2000. Brenda completed a Hands on Implant training course and participated in an Implant study club. She is part of the intravenous sedation team. During her time away from work, she enjoys the outdoors and sports.

Dental Assistant - Shannon

Shannon was born and raised in the rolling hills of Northumberland County. In 2008, Shannon graduated from Trillium College in the Level II Dental Assisting program with honours. After spending several years in the dental field, she joined Dr. Viznyak’s practice in 2017.

Dental Assistant - Melissa

Melissa graduated from Durham College in 2007. She first became interested in the dental world as a child when she had orthodontic work done. She enjoys all aspects of dentistry, but her love will always be endodontics. Her background includes working in this specialty for 9 years. She appreciates the art of endodontics and always saving a tooth if possible. She is very happy to be working at our office and enjoys the Cobourg area.

Office Administration - Nicole

Hi my name is Nicole. I graduated college in 2014 with a diploma in Human Resources. Since then, I have gained experience in administration, accounts payable and receivables. In 2021, I decided it was a time for change and joined Dr. Viznyak and his team. On my down time, I enjoy spending time with my husband and two kids, boating, skiing and snowmobiling.

Office Administration - Jessica

Jessica graduated with high honours from the Dental Reception and Administration program at Durham College in 2019. She had over 2 years of hands-on dental experience before deciding to join us in November of 2021. When she’s not working, she spends her down time with her partner and dogs, travelling or finding new adventures.