ELMHURST FAMILY DENTISTRY - Key Persons


Adriana G. Psenica-Yehl

Job Titles:
  • Registered and Practicing Dental Hygienist
  • Yehl, R.D.H., B.S
Adriana G. Psenica-Yehl is a registered and practicing Dental Hygienist since 1984, and is a clinical instructor at the UIC Dental School since 2004. Mrs. Yehl has been practicing with Dr. Nelson for 24 years. She received her BS in Dental Hygiene and Psychology from Loyola University in 1989. Her passion and dedication is to help patients become educated and motivated in attaining optimal dental health.

Angela Penney

Angela graduated from the College of DuPage's hygiene program in 2008 with an Associates of Applied Science Degree in Dental Hygiene. She is Laser Certified and a member of the American Dental Hygienist Association. When not working she loves spending time traveling, biking and just about anything with her husband and son, Dominic. Angela is passionate about her patients' oral health and is a strong believer that creating a healthy oral environment is beneficial to a patient's overal health. Angela also enjoys meeting new people and looks forward to meeting any new and existing patients.

Crystal Fiaccato

Job Titles:
  • Registered Dental Hygienist
Crystal Fiaccato is a Registered Dental Hygienist who found a love for dentistry as an assistant in 2001. She graduated with honors from Dental Hygiene at College of DuPage in 2008. Mrs.Fiaccato has been pursuing her passion of Dental Hygiene here at Elmhurst Family Dentistry ever since. She enjoys volunteer opportunities where she can share her gift and give back to her community. In 2015 Crystal collaborated with medical professionals in the C.U.R.E Network providing free dental screenings and cleanings to a public in need. Crystal is a member of the Illinois State Dental Society. At home, Crystal stays busy with her family. She loves attending concerts, car shows and cruise nights as well as going to the theater. She also enjoys outdoor sports all year round and spends time sharing her hobbies with her two sons.

Daniel J. Chay

Job Titles:
  • Staff Member
Daniel Chay, DMD completed his residency at Montefiore Medical Center and graduated from Tufts University School of Dental Medicine in 2015. He has teaching experience as Clinical Professor at Temple University Dental School and is a member of the Academy of General Dentistry. He is passionate about continuing education and staying up to date with the latest procedures and technologies. Outside of the practice, Dr. Chay enjoys spending time in the local community and his church, playing sports, and cheering on his beloved Pittsburgh Steelers.

Dr. Laurel Frausto

Job Titles:
  • Member of the Academy of General Dentistry
Dr. Laurel Frausto is from the western suburbs of Chicago. She graduated from Benedictine University with a Bachelor's degree in Biochemistry in 2005 and completed her PhD in Neuroscience at Northwestern University in 2011. She spent several years working in medical research focused on Alzheimer's disease pathology and treatments. Dr. Laurel then decided to pursue dentistry due to her passion to help others in the community and graduated from dental school at University of Illinois at Chicago in 2018. She completed a general practice residency at Illinois Masonic in 2019. Since completing residency she has worked in Chicago and enjoys treating a diverse population of patients. Dr. Laurel is a member of the Academy of General Dentistry, American Dental Association, Illinois State Dental Society and Chicago Dental Society. In her free time Dr. Laurel enjoys spending time with her family and exploring the attractions and activities that Chicagoland has to offer.

Emily C. Bartell

Job Titles:
  • Member of the American Dental Association
Dr. Emily Bartell is the niece of Dr. Nelson. She grew up in the western suburbs and started working for Dr. Nelson as a dental assistant in 1995. Dr. Bartell received a Bachelor degree in Health Science in 2000 from Benedictine University. She went on to UIC College of Dentistry, where she received her Doctor of Dental Surgery degree in 2006. Dr. Bartell is a member of the American Dental Association, Illinois State Dental Society, Chicago Dental Society and the Academy of General Dentistry. She is also part of the Chicago Public Schools Sealant Program, where she performs preventative dental care and educates children about dental health.

Louise Kopp

Job Titles:
  • Registered and Practicing Dental Hygienist
Louise Kopp is a registered and practicing Dental Hygienist since 1996. Ms. Kopp began her journey with Dr. Nelson in 1987 as a Chairside dental assistant. After many fulfilling years, she returned to school and obtained a degree in Dental Hygiene from William Rainey Harper College in 1996. In her spare time, Louise enjoys spending time with her family and friends as well as sailing, watercolor painting, traveling and the occasional murder mystery book. Louise shares her home life with her son Tim and two cats, Avery and Cheerio.

Michelle McNamara

Job Titles:
  • Registered and Practicing Dental Hygienist
Michelle McNamara has been a registered and practicing dental hygienist since 2017. Michelle began working with Dr. Nelson in 2005 as a chairside dental assistant. She received her BA from Southern Illinois University Edwardsville in Psychology and attended College of DuPage for her degree in dental hygiene. Michelle is married and has a son named Camden. During her free time, she loves to walk her dog, Brody, and spend time with her family.

Peter B. Liaros

Peter B. Liaros D.D.S., a Board Certified Periodontist, received his B.A. in Biology from Indiana University where he was awarded membership into the Phi Eta Sigma Honor Society. Dr. Liaros received his D.D.S. degree from Loyola University Dental School. He went on to specialize in Periodontology and completed his Certificate in Periodontics in 1991. Dr. Liaros holds licenses to practice dentistry in Illinois and Wisconsin. He is an active member of the American Dental Association, the American Academy of Periodontology, the Illinois Society of Periodontists and the Midwest Society of Periodontology.