Our Staff

Meet Our Staff

Barbara Havertape, Front Office

Barbara is happily married with 3 children and a wonderful grandson. She began her career in dentistry in 1984 as a Registered Dental Assistant, and has loved working with her patients ever since. Barbara loves being outside and hanging out with her family and friends. When she wants an escape, the beach is her favorite place to go and just relax and read a book.

Sandra Valenzuela, Front Office

Sandra has worked in the dental field for 20 years. She has worked the front office specializing in insurance billing and accounts receivable. In her free time, she enjoys spending time with her family. She also enjoys scrap booking and anything having to do with crafts. When time allows, she enjoys traveling with her husband.

Melissa Hackworth, Registered Dental Assistant

Melissa is a key member of the Nash Dental Care team. She has 25 years of experience in the dental field and when not at work she is a very busy Mom. She enjoys yard work and watching her daughters play sports.



Heather Salazar, Treatment Coordinator

Heather has 10 yrs of being in the Dental Field.  She is a mother of 2 girls 1 boy. In her free time, she enjoys being a full time mom with her kids, and loves to be around great friends and family.

Maritza Anaya, Registered Dental Assistant

Maritza is the 6th child out of 9 and loves special moments with her family. She has worked in the dental field since 2009 with amazing doctors and staff, past and present, who have taught her confidence, care, and great ethics. In her spare time, she enjoys spending time with her family, going to concerts, enjoying music, traveling, and watching her favorite sports teams play (The Lakers and Oakland Raiders).
Maritza joined Nash Dental Care 2016 and loves working with 2 amazing doctors: Dr. Nash and Dr. Sewell, who hold the standard for great dental care and treat patients like family. She also loves working with such great teammates and staff, who help her to learn and grow every single day.

Mary Ann Schumacher, Registered Dental Hygienist

Mary Ann started her dental career as a dental assistant in 1975. She excelled in dentistry and became a dental assisting professor for Bryman College. In 1994, she graduated Loma Linda University with a degree in Dental Hygiene. Mary Ann is very family-oriented with a wonderful husband of 38 years, two awesome kids and the most adorable grandson. In her free time she enjoys traveling, gardening, cooking and playing with her grandson. She has worked at Nash Dental Care for 19 years and has enjoyed every minute of it. She loves working for the best dentist in the Valley with a great team!

Nelia Tan, Registered Dental Hygienist

Nelia began working at Nash Dental Care in 2009 as one of Dr. Nash’s main assistants. In 2012, she decided to pursue a career as a dental hygienist. Her many years of experience make her a magnificent addition to the dental community.
The intimate nature of dental care requires one to be able to treat the oral condition based on the specific needs of the person. Nelia excels at this as she has the ability to quickly adapt to clinical and non-clinical situations. She takes great pride in her work and loves what she does. Nelia enjoys spending quality time with husband Wendell and 2 kids. During her free time, she loves to cook, scrapbook, and work in her beautiful garden.

Caroline Jones, Registered Dental Hygienist

Caroline started her dental career in 2012 when she graduated from Loma Linda University with a B.S in Dental Hygiene. She enjoys serving others in the office and though various dental mission trips both local and international. Caroline also enjoys coaching gymnastics, doing Crossfit, traveling and spending time with family. She joined the Nash Dental Care team in 2016 and has enjoyed expanding her knowledge in dentistry and working with the Doctors and the rest of the staff.

Afton Dominguez, Registered Dental Hygienist

Afton has been in the dental field for the last fifteen years and loves it. She Graduated from Mohave Community College in 2008 with a degree in Dental Hygiene. She is happily married with four beautiful little girls and moved from the sun shine state of Arizona to the beautiful state of California to be close to family. She really enjoys spending quality time with her husband and kids as well as going on fun vacations, playing sports, watching a good movie, and card games.