About Our Staff


Angela Barajas was born and raised in Fresno, California. She moved to Madera in 1999. Angela has been in the dental field for over 12 years. During her spare time she loves spending time with her two children where they enjoy off road jeeping, playing softball , or a good sporting event. What she enjoys about working at Dr. Michiel’s office the most is the family atmosphere.


Kathy Yamamoto was born and raised in Fresno, California, and moved to Madera in 1992. She earned an Associate in Arts degree and an Associate in Science degree in Dental Hygiene from Fresno City College in 1990. Her interests include family activities such as camping and weekend travel to the coast. Kathy looks forward to her family’s yearly summer trips. They are also supporters of the Special Olympics, and are members of the Central California Chapter of the Autism Society of America.


Norma Ramirez was born in Oaxaca, Mexico and moved to Kerman, California in 2002. She earned an Associate in Social Science from the Madera Center Community College in 2013. In 2016, she earned another Associate of Science degree in Dental Hygiene from Fresno City College. Norma enjoys hiking, painting, and spending time with her family. She is planning to further her education by pursuing a bachelor’s degree in the near future.


Patricia Ruiz has been working in the dental field as a Registered Dental Assistant for over twenty years. She was raised in Southern California and moved to Madera twenty years ago. She enjoys working with a variety of people and enjoys helping others through the services our office provides. She is involved in her Church community in different ministries and especially enjoys her involvement with the youth. Patricia also enjoys spending her leisure time with her husband and family.