Meet Your Fontana Dentist
Providing personalized, modern dental care from a trusted Fontana dentist, focused on comfort and long-term oral health. Serving patients in Fontana, CA with compassionate, high-quality dental care.




About Dr. Massoun
Dr. Massoun received his DDS degree from Loma Linda University School of Dentistry and has been caring for patients in Fontana, CA, since 2007. With close to 20 years of experience, he is recognized for his honest approach, gentle care, and dedication to delivering treatment that is thoughtfully tailored to each patient.
Patients value his calm, reassuring presence and the way he takes time to explain every step of their care clearly. Whether it’s a routine visit or a more complex procedure, his focus is always on providing high-quality dentistry in a comfortable, welcoming setting.
Outside the practice, Dr. Massoun enjoys maintaining an active lifestyle. He has been committed to CrossFit for over 15 years and also spends time on the golf course. His emphasis on overall health and balance is reflected in his approach to patient care.
" My approach to dentistry is simple: I care for every patient with the same kindness, honesty, and compassion I would want for my own family."
Why Patients Choose Us
Personalized one-on-one care
Modern technology and gentle techniques
Family-friendly environment
Focused on long-term oral health
Ready to feel confident about your smile
Gentle, personalized care designed around you.
Contact Us
Sierra Parkway Dental Care
16953 Sierra Lakes Pkwy, Suite 110
Fontana, CA 92336
(909) 357-3900
Hours
Mon: 10:15 AM – 7:00 PM
Tue: 10:00 AM – 7:00 PM
Wed: Closed
Thu: 10:00 AM – 7:00 PM
Fri: 8:00 AM – 5:00 PM
Sat: 8:00 AM – 5:00 PM
Sun: Closed
