Our Team

From the moment you arrive, our friendly dentists and staff make you feel welcome. We listen to your concerns, explain options, and create care plans for your family—whether it’s a cleaning, repair, or cosmetic treatment. We maintain a calm atmosphere, modern safety and technology, and teach you so you can make confident choices. Whether it’s your child’s first visit or you’re returning after years away, compassionate professionals are here to support your smile.

Dentist sitting in an examination room, smiling, holding a clipboard, with dental equipment, a monitor displaying a dental chair, and artwork on the wall.

Dr. Marilou Alquiros-Collosi, D.M.D.

Dr. Marilou Alquiros-Collosi brings over 30+ years of distinguished dental experience, beginning with her 1982 graduation from Centro Escolar University in Manila, Philippines. In 1985 she served at an Iranian hospital in Dubai while simultaneously operating her own private practice for seven years, demonstrating both clinical versatility and strong entrepreneurial skill. In 1991 she relocated to the United States to continue her dental career, establishing a practice in Walnut, California in 1994 where she served a diverse patient base for a decade. For the past 21+ years she has been practicing in Glendora, California, where she continues to provide comprehensive, compassionate, and patient-centered dental care grounded in decades of both international and domestic experience.

Dentist
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Maria Pena

Maria Pena is a dedicated dental assistant at Alquiros Family Dentistry who brings a warm, patient-centered approach to every appointment. She is skilled in chairside assisting, digital radiography, infection control, and patient education, ensuring procedures run smoothly and patients feel comfortable and informed. 

Dental Assistant
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Dental Assistant

Levy Lopez

Levy Lopez is a calm, attentive dental assistant at Alquiros Family Dentistry. She handles chairside support, instrument prep, and sterilization to keep procedures safe and smooth.

A woman sitting at a desk with a computer, smiling at the camera, in an office setting with framed pictures and decorative vases in the background. 
Receptionist

Alexa Padaong

Alexa Padaong is the receptionist at Alquiros Family Dentistry, greeting patients warmly and professionally. She schedules appointments, maintains accurate, private records, and handles insurance and billing. Her clear communication, efficiency, and helpfulness ease patient anxiety, and keep the front desk running smoothly.

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