At The Smile Spot, we are proud to have a team of doctors who are not only experienced, but who truly care about the needs and goals of each and every one of their patients. Our dentists speak English, Spanish, Vietnamese, Arabic and Korean and believe in providing gentle dentistry. We are here to listen to your concerns and make sure you and your family feel completely comfortable throughout your visit.


Dr. Lyna Vuu


Dr. Lyna Vuu was raised in Sugarland, Texas. She graduated from Texas A&M with a bachelor’s in biomedical science and went on to the University of Texas, San Antonio where she graduated with her Doctor of Dental Surgery. She has a passion for working with children of all ages and enjoys creating a fun and safe experience for them. During her free time, Dr. Vuu loves reading, cooking, and attending music festivals.

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Dr. Andy Yassa

Dr. Yassa sees all members of the family, but he especially enjoys working with children. He finds it extra rewarding to provide them with a pleasant experience and have them excited about good oral hygiene and fun/easy future visits. Dr. Yassa earned his Doctor of Dental Surgery degree from UT Health Science Center at Houston in 2003. When he’s not in the office , you’ll find Dr. Yassa enjoying time with his family. He and his wife, Dr. Michelle West, have three wonderful sons Ethan, Benjamin, and William.

Dr. Kelsi Lewis


Dr. Lewis was born in Texas City, Texas, where she decided she was going to be a Dentist at the age of six. She graduated Summa Cum Laude with her Bachelor of Business Administration at Tarleton State University in Stephenville, TX. There, she attended the University of Texas Health Science Center at Houston and graduated with her DDS Degree in 2017. Dr. Lewis loves being a problem solver for her patients and making people more comfortable in the chair. Her favorite part of being a dentist is getting to know her patients on a more personal level and learning more about them. Outside of the office, she enjoys spending time with her husband, daughter, and two golden retrievers! They love spending time outside, traveling, and doing fun things around Austin!


Dr. Jason Costa

Jason Costa was born and raised in Central Texas. He attended the University of Texas where he graduated with a degree in chemical engineering. He later graduated from the Baylor College of Dentistry and has been practicing dentistry in Central Texas since 2007. His interests include Star Wars, super heroes, and Sheriff Callie’s Wild West.

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Dr. Sameh Ahmed

In 2006, Dr. Ahmed graduated with a BA in biology from the University of Texas at Austin. He continued his dental education in San Antonio, where he received his dental degree from the University of Texas Health Science Center in San Antonio in 2011. He returned to Austin and has been working as a dentist ever since.

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