Meet Dr. James Mashni
Dr. James Mashni is a Michigan-born general dentist who is deeply rooted in the East Lansing community. He grew up in Mason, Michigan, and now proudly lives and practices in East Lansing, where he is committed to providing thoughtful, comprehensive care to patients and families across the region.
Dr. Mashni earned his Doctor of Dental Surgery degree from Loma Linda University School of Dentistry and completed his undergraduate education at Michigan State University, where he studied Nutritional Sciences and Human Biology. His academic background strongly influences his approach to dentistry, emphasizing the connection between oral health, nutrition, and overall systemic wellness.
A graduate of the prestigious Kois Center in Seattle, Dr. Mashni is dedicated to evidence-based dentistry and lifelong learning. His advanced training allows him to stay at the forefront of modern dental research, diagnostics, and protocols—ensuring that every treatment recommendation is grounded in the best available science and tailored to each patient’s individual risk factors and goals.
Dr. Mashni is grateful for the opportunity to practice alongside his brother and to have worked for eight years beside his father, Dr. John Mashni, continuing a legacy of trusted, patient-centered care. Together, they share a commitment to clinical excellence, integrity, and building long-lasting relationships with those they serve.
At the heart of Dr. Mashni’s philosophy is prevention and partnership. He is passionate about helping patients understand their risks, lower them through proactive care, and achieve long-term health—not just in the mouth, but throughout the entire body. He prides himself on creating strong, meaningful relationships with his patients and guiding them toward confident, informed decisions about their oral health.
Outside the office, Dr. Mashni enjoys spending time with his wife, Katia, and their two children. In his free time, he loves cooking, staying active and healthy, and playing golf. He feels fortunate to serve the community he calls home and looks forward to welcoming you to Mashni Dentistry.
Connect with Dr. James via LinkedinMeet Dr. Jason Mashni
Dr. Jason Mashni grew up in Mason, MI, and attended Michigan State University for his undergraduate studies. He went on to earn his Doctor of Dental Surgery degree from Loma Linda University School of Dentistry, where he graduated first in his class. Dr. Jason is grateful to practice alongside his brother, providing care in an environment centered on health, compassion, and excellence.
He is committed to evidence-based dentistry and stays current with the latest techniques, materials, and technologies. His passion extends beyond dentistry itself—Dr. Jason is driven by a desire to improve the quality of life for his patients and himself through education, wellness, and thoughtful innovation.
Dr. Jason is an active member of the American Dental Association (ADA), Michigan Dental Association (MDA), Central District Dental Society (CDDS), American Academy of Dental Sleep Medicine (AADSM), and International Academy of Sleep (IAOS). He is proud to be a Kois Center Graduate and implement this philosophy in practice.
Now living in Grand Rapids, Dr. Jason makes the daily commute, which he uses as dedicated time to learn through books and podcasts. He is happily married to his beautiful wife, Britni, and together they are raising two wonderful children, Theodore and Mara, who bring endless joy, purpose, and energy (sometimes lack of sleep) to his life.
In his free time, Dr. Jason enjoys staying active—training for races, playing sports, and doing cross-functional workouts. He loves traveling, spending time outdoors, and creating things, whether that means designing better experiences for patients, improving systems in business, or building meaningful moments with his family. Music and the performing arts remain a longtime passion. Above all, Dr. Jason’s faith is the foundation of his beliefs, actions, and purpose in everything he does.
Connect with Dr. Jason via Linkedin
