Our team

Meet our pediatric dentistry team!

Compassionate pediatric dentist and staff 

Dr. Irma Echandy: Pediatric dentistry specialist with a family-focused approach.

Dr. Irma Echandy, D.D.S

Dr. Irma Echandy graduated from New York University School of Dentistry in 1996. Dr. Echandy brings an extensive background having served as a Lieutenant Commander for the U.S. Navy, having hands on experience as a general dentist for 5 years. At that time, she was selected for Pediatric post doctorate specialty training at the University of Puerto Rico as a Reserve Officer for two more years from where she graduated in 2003. She brings not only a broad spectrum of dental experience, but a combination of both ‘gentle touch’ and a fun personality that eases both children and parents alike. Dr. Echandy currently lives with her family in Rockville.

Mariel, Assoc. Manager at German Town Big Smiles - Passionate about children's dental care.

Mariel Associate Manager

Meet Mariel, a Business Administration graduate from Bolivia is navigating her first year in the United States. In her debut year in the dental field, she discovers joy in working with children, ensuring both young patients and parents receive fair and friendly treatment. Beyond work, Mariel’s passion lies in crochet, where she brings adorable amigurumi to life. In her free time, she enjoys the company of her husband and participates in church activities. Welcome to Mariel’s world!

dental assistant at Germantown Big Smiles, smiling confidently.


Floor Coordinator

Maria, our dental assistant, was born and raised in Maryland. She attended Fortis college, where she got her Dental Assistant Certification. Maria has been working with the company for 6 years and going. She has developed a passion for helping young people in the dentistry field. Having Peruvian and Salvadorian roots, makes her have a passion for music and food. A fun interesting fact about her, is that is the best coupon deals specialist when in need. During her free time, Maria likes to garden, go camping, and spend time with her loved ones.

Katherine, the Treatment and Insurance Coordinator at Germantown Big Smiles

Katherine Treatment and Insurance Coordinator

KK was born and raised in the Philippines and moved to the United States in 2007. She joined the team in August 2023, bringing almost 12 years of dental experience in Pediatric Dentistry. She started as a dental assistant in her early years in the dental field and started to learn things about insurance and billing. KK enjoys helping the family understand the financial aspect of their treatment and dental insurance and seeing them walk out the door with a smile on their face. Being involved in a church and serving the Lord with her family is extremely rewarding for her. In her free time, she spends most of her time with her husband Jonas, and her husky dog Kakashi

Samantha: Dental hygienist, smiles, promotes oral care.

SamanthaDental Hygienist

Samantha, our dental hygienist, was raised in Prince George’s county and attended the University of Maryland in College Park, where she received her bachelors. Following that, she attended dental hygiene school and has been in the dental field for nearly a decade. She is passionate about teaching the importance of dental hygiene to children and young adults. Having Brazilian and Italian roots, Samantha enjoys cooking and enjoying time with her husband, family and animals.

Cara, skilled dental hygienist, smiling warmly while showcasing her compassionate care for patients.

Cara Dental Hygienist

Cara is a compassionate and skilled dental hygienist who graduated from Allegany College of Maryland in 2013. She is enthusiastic about pediatric dentistry. With a genuine passion for oral health, Cara provides exceptional care and education to her patients. Cara, although having lived in Maryland all her life, loves to travel to different countries. When she isn’t spending time with her two daughters and her dog Romeo, Cara also loves to utilize her creative spirit by refurbishing or building furniture, sewing, or taking on a new DIY project.

Experienced dental assistant Roman at Germantown Big Smiles.

Roman Dental Assistant

Our team member Roman is a highly experienced and knowledgeable individual in the field of dentistry. He takes great pride in supporting our Doctor in enhancing the oral health of our young patients. Originally from Honduras, Roman enjoys spending his free time engaging in outdoor activities, going to the gym, and cherishing moments with his loved ones.

Clarissa: Germantown's caring Dental Assistant, fostering oral health and teamwork at Big Smiles.

Clarissa Dental Assistant

Clarissa was born and raised in Honduras, where she got her degree in Dentistry. She’s experienced and knowledgeable in the field and expanding in Pediatric Dentistry. Clarissa is always helping and supporting patients as well as her team. She’s very passionate about her work and is always teaching others the importance of our dental health. She always tries to make sure everyone is ok when stressful situations occur. Having Honduran roots, she loves to cook and dance. During her free time, she loves exploring unfamiliar places, shopping, and spending time with her family.

Carla: Your welcoming receptionist, ready to assist.

Carla Receptionist

Carla was born and raised in Peru. She is a Graphic Designer and before coming to North America, she worked many years on the field as a newspaper editor. With experience in customer service, she joined our practice as a receptionist and enjoys working with kids in a wonderful atmosphere. She loves being part of a staff that has the highest standards and qualifications. When not at work, Carla enjoys cooking, hiking, painting, and spending time with her son and daughter.

Jessica: Customer-focused dental team member.

Jessica Scheduler

Jessica was born and raised in Silver Spring Maryland and has 17 years of customer service experience, 3 of which were spent working at a daycare center where her love of working with children began. She received her associate degree from DeVry University in 2020 and shortly after started working in the dental field. Jessica enjoys helping people and contributing to a positive work environment. When she is not working Jessica enjoys spending quality time with her husband and two children, cooking, and playing video games.

Walter Ramos: Dentistry Scheduler, German Town Big Smiles - Expertise and People-Focused.

Walter Scheduler

Meet Walter Ramos, a skilled scheduler in the field of dentistry with a passion for video games, automotive pursuits, and quality time with family. A 2018 graduate from trade school, Walter holds an A+ certification, showcasing his dedication to continuous learning. With a decade of customer service experience, including six years in restaurant management, Walter combines technical expertise with a people-focused approach in his professional journey. Outside of the workplace, you’ll find him immersed in the world of gaming, exploring the intricacies of automotive engineering, and enjoying the thrill of scary movies.

Office Hours:


9:00am – 5:00pm


9:00am – 5:00pm


9:00am – 5:00pm


9:00am – 5:00pm


Emergencies only





Any Question?

(877) 992-4476Contact Us!
Dental Hygienist
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