830-331-4150 | Patient Portal | Patient Forms

Meet the Team

Dr. Thushan DeSilva
Board Certified Dermatologist

Dr. Thushan DeSilva is a Board-Certified dermatologist with two decades of post-residency experience in San Antonio, prior to starting his own practice in Boerne in January of 2017. He is a member of the San Antonio Dermatology Society. Prior to entering private practice, Dr. DeSilva earned his undergraduate biology degree from The Johns Hopkins University in 1992. He received his medical degree from the University of Pittsburgh School of Medicine, where he also completed his internal medicine and dermatology residency. During his final year of residency, he had the honor of serving as Chief Resident. Dr. DeSilva also has a passion for teaching. He has volunteered as a clinical instructor at the Dermatology Residency Program at The University of Texas Health Science Center at San Antonio. He is a leader in psoriasis education and speaks for numerous companies with innovative therapies. Additionally, he is a certified Allergan injector trainer in the San Antonio area for Botox® and Juvederm® fillers.

Danusha DeSilva
Marketing Director

Danusha, wife of Dr. Thushan DeSilva, was excited to transition back to work in 2017 from being a stay at home mom for 13 years to their three children. She has enjoyed overseeing the renovation of their permanent location in Boerne. In addition, she assists in various capacities but mainly helps coordinate marketing and promotion efforts for the practice. Prior to joining the team, she worked as a communications manager for a non-profit trade association in Washington, D.C. She is a graduate of the The University of Texas, where she earned her Bachelor’s Degree in Journalism. Danusha enjoys spending time with her family, traveling and working out.

Jill Steele
Office Manager/Head Medical Assistant

Jill has worked in Dermatology for over 20 years. She started as a receptionist in 1998 and received her Certified Medical Assistant Certificate in 1999. Jill and Dr. DeSilva have been working together since 2000. She is the lifeline of our office and wears multiple hats as our Head MA and Office Manager. She keeps our office running smoothly and brings a smile to our staff and patients daily. Jill enjoys the friendships she builds with our patients and loves that our practice is dedicated to educating patients on maintaining healthy skin. When not at work, Jill enjoys spending time with her husband and two kids as well as doing arts and crafts, boating and fishing.

Yasmine Castillo
Medical Assistant

Yasmine was born and raised in San Antonio. She is married and has two daughters. Yasmine received her Medical Assistant Certificate in 2003 and has been working in Dermatology for 15 years. She has been with Dr. DeSilva for eight years. One of the things Yasmine enjoys most about being a Medical Assistant is assisting with surgical procedures and making sure that patients have a pleasant experience with our office. When she is not at work, she likes to take weekend getaways with her family.

Starr Sillas
Medical Assistant

Starr has been fortunate to travel around the world with her Army husband and two boys. She worked as a phlebotomist in Landstuhl, Germany for six years. For the last 14 years, she has worked as a Dermatology Medical Assistant. Starr has worked in California, Kansas, Chicago and lastly Texas. Starr loves dermatology and sees working in this field for the remainder of her career. When she is not at work she enjoys traveling and spending time with her family.

Renee Phillips
Medical Assistant

Renee is a Native Californian who moved to San Antonio in 1995. She received her Medical Assistant Certificate in 1997 and has been in Dermatology since then. She has worked in Dermatology in San Antonio as well as California and has been with Dr DeSilva for nine years. She has been married for 20 years and has three kids and two grandchildren. In her free time, she enjoys playing bingo and dressing up her Pomeranian Lulu.

Jennifer Smith
Front Office

Jennifer has been with DeSilva Dermatology since the practice opened. She works multiple tasks to help the front office run smoothly. Before working here, she was in telecommunications for 10 years and was a stay-at-home mom to her two daughters for 10 years. While raising her girls she volunteered in various capacities including being PTA President at their school. Her favorite thing about working here is meeting our patients and making sure they have a good experience from check-in to check-out. When she is not at work, she loves spending time with her husband, daughters, family, friends and animals.

Nikole Campos
Front Office

Nikole is a proud Houstonian, born and raised. She moved to the San Antonio area in 2013. She has a decade of experience in the medical field and obtained her medical billing and coding certificate in 2009. Nikole specializes in providing patients with the best experience, whether it is her remarkable memory with names and faces or genuinely making them feel part of our family. In her spare time, Nikole likes to spend quality time with her family while occasionally watching corny romantic comedies and investigative documentaries.

Joanne Romo
Front Office

Joanne has been in the Dermatology field for over seven years and received her certificate in Medical Billing and Coding in May 2010. She has worked various front office positions in Dermatology including scheduling, billing and insurance benefits. Joanne began working with Dr. DeSilva in December of 2017. Prior to working in Dermatology, she worked in accounting for five years. In her free time she enjoys spending time with her son, painting and cheering on the Dallas Cowboys!

Kayla Steele
Front Office

Kayla is currently enrolled in college working towards her Bachelors in Allied Health and aspires to earn her Masters as a Physician Assistant. She is a quick learner and uses her skills to complete any task that is given to her in our office. She looks forward to the opportunity to advancing her career in Dermatology as a Physician Assistant. Kayla enjoys spending quality time with family and friends when she is not at work or school as well as traveling, shopping and eating Mexican food, particularly at Herbert’s in her hometown of New Braunfels.

Darlene Sifuentes
Billing

Darlene is our Billing Representative. She has 30 years of medical experience, with 25 of those in billing. She has done billing for pediatrics, multiple physicians, clinics, ambulance services and dermatology, for which she has been billing for the last 17 years. She enjoys working in a single practice as opposed to a multi-practice office as this allows her to get to know patients more on a personal level. In her spare time she enjoys diy projects, riding her Harley and spending time with family — especially her three adorable grandchildren.