Our Team

Dr. William De Bonis

Is first and foremost a clinician who loves his profession. A listener as well as a teacher, he is passionate about expanding his knowledge and involving patients in their care.Dr. De Bonis graduated from Columbia University College School of Dental and Oral Surgery, and was also trained in a general practice residency at Lutheran Medical Center here in New York City. His professional affiliations include membership in The Academy of General Dentistry, The New York County Dental Society and The American Dental Association.

An avid hiker, skier and practitioner of transcendental meditation, Dr. DeBonis greatest reward is seeing his patients return with healthy gums and long lasting restorations.

Dr. De Bonis never forgets to floss!


Yolanda Oquendo - Office Manager

Yolanda has been in the dental field for many years and is incredibly knowledgable about billing, and insurance. She is determined to make each patient feel welcome at Worldwide Plaza Dental office by giving them the attention they need and helping them understand their finacial responsiblity.She has 4 children and a wonderful husband. In her spare time she loves to play just dance with her kids and cook for her family.


Valerie Vollmer - Head Dental Assistant

Valerie has been a member of the Worldwide Plaza Dental team for many years. Valerie comes from a family of dentists and medical professionals. Val believes that even the most anxious patient can feel comfortable with the right approach and she is dedicated to patient care first and foremost.When she is not at WWP Dental Val can be heard singing at various venues throughout the city such as Carnegie Hall, Lincoln Center or churches and temples. Val holds two advanced degrees in music and still finds time to be creative in other interests including culinary skills.


Nina Ferrone - Dental Assistant

Nina is currently attending New York City College of Technology to become a dental hygienist because she loves the dental field. She gives credit to Worldwide Plaza Dental for helping her find a career she loves.

She is the middle child of 2 sisters. She is extremely close to them and considers them her best friends. In her spare time she likes to go bike riding, working out and spending time with her family.



For over 25yrs. I have been a Registered Dental Hygienist and have enjoyed it immensely. By far, the best part of my job is meeting people throughout the years. I am committed to educating patients on the importance of good oral hygiene. Everyone on our team goes above and beyond to make sure each patient is comfortable every step of the way. I love to travel and have visited every continent with the exception of Antarctica. Brrrrrrr! Wish me luck!



Alma earned her B.S in dental hygiene and joined Dr. DeBonis's team in 2015. She enjoys working in a comfortable, friendly environment where she can interact with many different people on a daily basis. Her goal is to provide preventive care and education to patients that help them achieve and maintain a healthy smile for life! She's also a huge animal lover and has a passion for traveling.