Dental Staff

All professionals at Tana W. Henderson, DDS maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

  • Dr. Tana Henderson

    Tana W. Henderson, DDS
    201 S Wilma Ave
    Ripon, CA 95366
    (209) 599-9951

    Dr. Henderson graduated from UC San Francisco School of Dentistry in 1989 and from Cal Berkeley in 1983 (Go Bears!). Since then, she has built a very successful practice here in Ripon. She is a gentle and compassionate dentist who is appreciated by all of her patients and staff. Tana is the mother of two children, David and Lauren. Tana enjoys playing tennis, sewing, cooking, camping, and her occasional get-aways.

  • Dr. Ryan Poppin

    Dr. Ryan Poppin received his Bachelor of Science in biology with concentration in anatomy and physiology from California Polytechnic State University in San Luis Obispo in 2012. He earned his Doctor of Dental Surgery Degree from the University of the Pacific, Arthur A. Dugoni School of Dentistry in 2015. After graduating, he returned to his adopted hometown of Modesto with his high school sweetheart and wife Kendra. After 8 years of practicing in the Modesto area, he found his dental home in Ripon. Dr. Poppin has two sons, Wes and Caleb, with his wife Kendra. He enjoys spending time in the sierra foothills fishing and boating, and is an avid drummer, audiophile, and concert-goer. Dr. Poppin is delighted to practice in Ripon and is eager to get to know the patients and community!

  • Ali Cruz
    Office Manager

    Ali has worked for Dr. Henderson for 20 years and has her Bachelor’s degree in Health Administration. She loves working with such an amazing team of professionals and strives to create a pleasant and welcoming environment for all of our patients. She is a  busy mom of 2 boys. On her free time she enjoys reading, hiking, and activities with her family.

  • Monica Cibrian
    Front Office, Schedule Coordinator

    Monica has worked here at Dr. Henderson's Office for over 16 years and has been a Registered Dental Assistant for over 20 years. She enjoys coordinating appointments for patients and works hard to make sure they are utilizing their dental benefits to the fullest. Outside of work, Monica loves spending time with her family, gardening, watching her favorite team (the Giants) play baseball and other outdoor activities.

  • Lindsay Horn
    Front Office, Schedule Coordinator

    Bio coming soon!

  • Anyssa Cibrian
    Front Office, Administrative Assistant

    Bio coming soon!

  • Tami Miller
    RDH – Registered Dental Hygienist

    As a hygienist, Tami has loved working with Dr. Henderson for the last 20 years and building relationships with patients. Living life with her husband, Ben and four children, highschool age down to 4 years old, including day trips, concerts, baseball, playgrounds, going to the mountains together are all activities she enjoys outside of the office.

  • Jennifer
    RDH – Registered Dental Hygienist

    Jennifer is one of our Registered Dental Hygienists, and has worked with Dr. Henderson since March 2004. Educating patients on the correlation between oral and overall health continues to be her passion in dental hygiene. She has two daughters, Katie (10) and Natalie (7) who bring her such joy! Jennifer has a love for traveling, and she takes every opportunity to see the world, she is always looking for life’s next adventure!

  • Holly
    RDH – Registered Dental Hygienist

    Holly began her career with us as a Registered Dental Hygienist in November 2012. She strives to build trusting relationships with our patients by improving their oral health and creating a comfortable dental atmosphere. In her spare time, Holly enjoys outdoor activities such as golfing with her husband Blake. She also takes pleasure in hosting seasonal dinner parties by gathering friends and family around their table.

  • Veronica Martin
    RDH – Registered Dental Hygienist

    Veronica has been in the dental field since 2004. She was a dental assistant for 10 years before becoming a dental hygienist. Dentistry is her passion and she loves making a difference in people's oral health. Veronica has worked for Dr. Henderson since 2015.Outside of work she enjoys doing DIY house projects with her husband, going on vacation, and pampering her nieces and nephews when they can.

  • Kassandra Spurgeon
    RDH - Registered Dental Hygienist

    Kassandra was a Registered Dental Assistant for Dr. Henderson for 3 years before returning to school to become a Dental Hygienist. She graduated from the University of Pacific in 2016 with a Bachelor of Science Degree in Dental Hygiene and has been working for Dr. Henderson as a Registered Dental Hygienist since. Kassandra loves being a Dental Hygienist because she has the opportunity to meet so many wonderful people in all walks and stages of life and enjoys getting to know them on a personal level. She strives to make their dental visit a pleasant experience as she takes care of their oral hygiene needs and educate them on how to achieve and maintain oral health for an all around healthier lifestyle. Outside of work Kassandra loves spending time with her sweet boys Maddix, Memphis, Knox, and her husband too. They enjoy anything outdoors but especially camping, fishing and playing games with their families and friends.

  • Bailee Nolan
    RDAEF2- Registered Dental Assistant Expanded Functions

    Bailee has worked for Dr. Henderson for over 9 years. Starting off as a dental assistant in 2011 and completing the RDAEF2 program in 2019. She grew up here in Ripon and loves seeing all the familiar faces in the office and around town. When Bailee is not working she enjoys reading, camping, and spending time with her family and her dogs.

  • Ida Jackson
    RDAEF2- Registered Dental Assistant Expanded Functions

    Ida is a RDAEF2 (Registered Dental Assistant Expanded Functions) and has been here at Dr. Henderson’s Office since July 2017. She loves being able to meet new people and assist the dentist in making patients feel good about their smiles. It brings Ida joy to help patients overcome their fear in the dental chair and to make them feel at ease. Her husband Daniel and 11 year old son Issac (who is their pride & joy), love bike riding and spending quality time with their family.

  • Amy Reyes
    RDA - Registered Dental Assistant

    Bio coming soon!

  • Marlen Cardenas
    DA - Dental Assistant

    Bio coming soon!

Hours of Operation

Our Regular Schedule

Tana Henderson


8:00 AM-4:00 PM


8:00 AM-4:00 PM


8:00 AM-4:00 PM


8:00 AM-4:00 PM







Our Location

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