Meet Our Staff
Tammy O’Connell, RDH
Tammy has worked with Dr Glass since 2003. She graduated from San Joaquin Valley College. All of her patients are treated with care and sensitivity. Putting the needs of the patient first and foremost is her priority. She encounters every person with respect and concern for what is needed for that individual’s oral health.
Nathan Taberna, RDH
Nathan is the newest Hygiene member to our team. He became a registered dental Hygienist in 2016, but grew up around the dental field all his life. He is a Milpitas native that is eager to build the utmost rapport with all his new patients by always providing gentle but thorough dental visits. He is able to communicate with patients in English, Tagalog, and Spanish. He looks forward to meeting w/ you soon.

Lupe Simoes, Practice Administrator Manager
Lupe has been part of the team since 1997. She is usually the first person that you will have contact with in our office. As the Practice Administrator Manager, she can help you understand your insurance benefits, estimate your financial responsibility, and assist you in arranging financing. She can assist you with any questions that you may have about our practice
Beatriz Plascencia, Hygiene Coordinator
Beatriz has worked with Dr Glass since March of 1997. She began as a Dental Assistant after graduating from CCOC in February of 1997. In April of 2000, she became the Office Hygiene Coordinator.
Delia Magana, RDA
Delia has been a part of our team since 2017. She started as a Dental Assistant and in 2019 was certified as a Registered Dental Assistant. She’s bilingual and is very helpful in communicating with our Spanish speaking patients.
Brenda Lane RDA, CDA
Brenda has been a member of the staff since joining Dr Glass’s office in 1993. Brenda has been extensively trained as a CEREC Designer. She has attended classes and International Symposia on CEREC design. Brenda is a trained Treatment Coordinator who will help oversee your care to integrate all aspects for a comprehensive treatment plan.