Meet Our Team

Our highly qualified and trained team of dental professionals work hard to provide our patients with the care they need, and to keep our practice running smoothly. When you visit the practice of Arel C Ondoy DMD in Oak Forest, Illinois, our dentists and team will work with you to ensure that your treatments meet your needs. Visit or call us today at 708-535-0333 to learn more and to schedule your appointment with Dr. Ondoy, Dr. Shah-Cox, and Dr. Hutnik. We look forward to meeting you and your family!

Arel C. Ondoy, DMD

Dr. Arel C. Ondoy is your local dentist for general and emergency dental care in the South Suburbs.

Dr. Ondoy was born in Chicago and moved to the South Suburbs in 1976. He graduated from Loyola University of Chicago in 1986 with his degree in biology. He then graduated from Southern Illinois School of Dental Medicine in 1990.

Dr. Ondoy served and trained as U.S. Army Dentist and Officer at Ft. Knox, KY, during Desert Storm (1990-1994).

Dr. Ondoy is skilled in all forms of dentistry with over 23 years of experience. He is also a volunteer Dentist for Catholic Charities in the Chicagoland area. He is a devout Catholic who enjoys doing charity work, playing basketball and tennis, and driving race cars.


Mary Shah-Cox, DDS

Dr. Mary Shah-Cox grew up in Frankfort, Illinois, where she attended Lincoln Way High School.

She earned her Bachelor of Science degree in biology at the University of Illinois in Champaign. Dr. Cox then attended Northwestern University Dental School and received her DDS degree in 1997. She is a member in good standing with the ADA, ISDS, and CDS.

Dr. Cox has been practicing dentistry for over 16 years. In her free time, Dr. Cox enjoys gardening, reading, and running.


Alexander Hutnik, DMD

Dr. Alex Hutnik grew up in Orland Park, where he attended Carl Sandburg High School. He earned his Bachelor of Science degree from the University of Illinois-Chicago and attended the Southern Illinois University School of Dental Medicine, where he earned his DMD in 2014.

Dr. Alex had been working in the field of dentistry since 2007, and in his spare time enjoys books, movies, music, and spending time with family and friends.