Our team at Signature Smiles is eager to welcome you and your family to our dental office in Pflugerville , Texas! We strive to provide each patient with attentive, gentle, and high-quality service in Spanish or English. Please contact us today to schedule your appointment with our friendly dentists!


Amy – Office Manager 

Amy attended the University of New Orleans and has a rich background in customer service. Amy joined Planet Smile in 2016. She previously worked in a pediatric dental office as a patient care specialist and an orthodontic office as the treatment plan coordinator. Her current role allows her to create and present dental treatment plans, as well as verify and maintain healthy patient financial ledgers. She loves seeing our patients leave with a smile!

Wiley – Hygiene/Insurance Coordinator

Wiley recently joined our team at Planet Smile in 2017. He has lived in Austin for over 20 years and graduated from St. Edward’s University in 2010 where he played collegiate golf. He has a rich customer service background and loves the family atmosphere here at Planet Smile. In his current role as the Hygiene/Insurance Coordinator he verifies patient insurance benefits as well as manages the hygienists schedules. Wiley has worked in the dental field for over four years and is hoping to attend dental school in the near future. In his free time, Wiley loves to explore the many golf courses and restaurants the city has to offer, as well as, rooting for his favorite sport teams.


Cossandra – Registered Dental Hygienist

Cossandra has over 20 years of experience in dental hygiene and has been part of our team since January 2017. She graduated magna cum laude with a Bachelor of Science in dental hygiene in 1997. Cossandra attended Jackson MS and the University of MS Medical Center.

Nelda – Registered Dental Assistant (Bilingual)
Nelda has been with Dr. Caldwell since 2015. She has a lot of experience working with children and patient education in the dental field. Nelda is also bi-lingual in Spanish. Nelda graduated from dental assisting school in 2008, taking her courses at UTSA. She loves working with our great doctors at Signature Smiles. Nelda is a mother of three and loves to travel and help others—she has been part of a medical mission team volunteering at a dental clinic.

Nicole – Registered Dental Assistant

Nicole has been with Dr. Caldwell since 2015. She has experience in both general and pediatric dentistry. Nicole trained her way up in the dental field and obtained her registered dental assistant certification from the UT Health and Science Center of San Antonio. Nicole is motivated about the dentistry and is very loyal and confident in Dr. Caldwell.

Dr. Paula Noh
Dr. Paula Noh received her Bachelor of Science in Biology from the University of Pittsburgh before continuing to their School of Dental Medicine to earn her DMD. Dr. Noh loves connecting with her patients and helping them achieve their optimal quality of life. She looks forward to treating her patients like family and seeing their true smile!

When she’s not at the office, she enjoys traveling, trying new foods (especially if it’s spicy!) and watching the Pittsburgh Penguins (Go Pens!)