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El Portal Dental Group

Meet Our Dentists

Khang Nguyen, DDS

Dr. Khang Nguyen

Dr. Khang Nguyen attended the University of California - Davis and graduated with a bachelor of science in biochemistry. He completed his doctor of dental surgery degree at the New York University College of Dentistry – one of the most prestigious dental schools on the East coast. After graduating from dental school, he moved back to California and in 2006 established El Portal Dental Group in Merced, CA.

To stay abreast of the latest techniques and technology, Dr. Nguyen takes continuing education courses in endodontics, progressive orthodontics, ClearCorrect, and dental implants. In doing so, he can offer cutting-edge treatments and provide the best dental care for his patients.

Dr. Nguyen is an active member of the American Dental Association, California Dental Association, Stanislaus Foundation Society, Yosemite Dental Society, and Merced Chamber of Commerce.

Alois Regalado, DDS

Alois Regalado, DDS

Dr. Alois Regalado obtained her bachelor's degree in dental medicine from the University of the Philippines College of Dentistry. She has been practicing general dentistry for more than 10 years in California and continues to take continuing education courses to ensure that her patients receive high quality dental care.

Dr. Regalado is an active member of the American Dental Association, California Dental Association, Stanislaus Dental Society, and the United States Dental Institute.

Her personal interests outside dentistry include traveling, cooking, and playing tennis.

Oliver Dam, DDS

Oliver Dam, DDS

Dr. Oliver Dam is a a Bay Area native who attended University of the Pacific. He was part of an accelerated program, in which he received his B.S. in biological sciences and his D.D.S. in 6 years. His decision to pursue dentistry began when his grandmother told him at an early age to become a dentist to help her with a toothache.

Dr. Oliver is a member of the California Dental Association, Academy of General Dentistry, and American Dental Association. In his free time, he enjoys learning how to cook, watch tennis and basketball, and traveling.

Meet Our Hygienists

Fred, Hygienist

Fred Hygenist

Fred has been a dental hygienist for 14 years. He completed his associate of arts from Fresno City College and was accepted to their dental hygiene program, graduating with an associate of science in dental hygiene. He later completed his bachelor of science degree in health science with a community health emphasis from California State University - Fresno. Fred is currently pursuing his master’s degree at California State University - Bakersfield in science administration.

Fred is active in the dental hygiene profession. He teaches at Fresno City College dental hygiene clinic part-time as adjunct faculty. He is a clinical instructor for first- and second-year dental students, helping them develop their hands-on skills. He is the trustee of the San Joaquin Valley Dental Hygiene Association as well as an active member of the California Dental Hygiene Association. 

Fred serves on several advisory boards, San Joaquin Valley College dental department and Fresno City College health science division. Fred also serves others in his community by volunteering his time and services in underserved areas with the Tzu Chi mobile clinic, Fresno annual sealant clinic, Team Smiles - Fresno State, and Fresno area mobile dentistry.

Fred enjoys spending his free time with his family and pit bull, Rayder. He loves outside activities, like basketball, football, track, cycling, and running. His favorite sports teams are the Oakland Raiders and of course he is a BIG LA Lakers fan!

Ramon, Hygienist

Ramon Hygenist

Ramon is proud member of the El Portal Dental hygienist team. He has been a registered dental hygienist for 4 years. 

He completed his prerequisites at the University of California - Merced and Merced College and received an associate of science in dental hygiene from San Joaquin Valley College - Visalia. He regularly keeps up with his continuing education courses to improve his knowledge and skills.

Ramon's interests include traveling, long drives, cars, and keeping up with sports.

Melissa Snider, Hygienist

Melissa Hygenist

Melissa Snider has been a dental hygienist for 5 years and has been working for El Portal for over 4 years.

Melissa has always known she wanted to become a dental hygienist from a young age. She attended SJVC in Visalia and graduated with her AS in dental hygiene. Melissa enjoys treating patients as well as teaching them the importance of oral health.

In her free time Melissa likes to travel with her husband and enjoys spending time with her close family and friends.

Meet Our Support Staff

Adrianne, Office Manager

Adrianne, Office Manager

Adrianne is the office manger for El Portal Dental Group. Her work in the dental field spans over 20 years managing multiple offices and overseeing dozens of staff.

She has successfully completed her executive management program and continues to take continuing courses to increase her knowledge of emerging dental technology. She takes pride in ensuring professional high quality service and excellent customer care to all our patients.

During her free time she enjoys supporting her community through literacy programs, going camping, hiking and spending quality time with her Family.

  • Jessica, Back Office Supervisor

    Jessica, Back Office Supervisor

  • Lorena, Financial Coordinator

    Lorena, Financial Coordinator

  • Melissa

    Melissa, Schedule Coordinator

  • Trang, Public Relations Director

    Trang, Public Relations Director

  • Crystal

    Crystal, Schedule Coordinator

  • Katy

    Katy, DA

  • Daniel

    Daniel, DA

  • Jose

    Jose, DA

  • Ashley

    Ashley, DA

  • Yesenia

    Yesenia, DA

  • Sarah

    Sarah, DA

  • Jade

    Jade, Receptionist