Our Team

All professionals at Vast Dental LLC maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

  • Dr. Thu A. Hoang
    General Dentist, Owner

    Dr. Hoang is a General Dentist specializing in endodontic procedure.  Dr. Hoang attended  University of Massachusetts at Lowell where she graduated Magna Cum Laude and received her Bachelor of Science in Biochemistry and Cell Biology. She then advanced to Boston UniversityGoldman School of Dental Medicine, graduating with high honors obtaining her Doctorate of Dental Medicine.  Dr. Hoang is a member of the American Student Dental Association (ADA)Massachusetts Dental SocietySouth Shore Dental Society and the Vietnamese Student Dental Association.  Dr. Hoang is a mother of two small children, which gives her a unique ability to relate to kids. She is an active member of the Weston Community Children’s Association (WCCA).

  • Peter Su, MBA .

    Peter has deep connections to Vast Dental in Newton because of the relationship he has with the community.  Peter went to Our Lady’s Newton Catholic Elementary and also served as an altar-boy.  During the times in Newton, Peter and his family has volunteer at the church and participated in many of the local events.  He attended Northeastern Universitywhere he obtained his Masters of Business Administration in finance and his Bachelor of Science in Electrical and Computer Engineering.  In 1998 he incorporated his dot-com company and later moved on to other ventures.  Peter has held numerous position at the corporate level from design engineer to management.  In the early 2000, he became a real estate developer/investor in the New England area.  He and his wife Dr Hoang resides in Weston with their two children.

  • Dr. Zachary Fried, DMD
    General Dentist

    Dr. Zachary Fried is a general dentist homegrown here in Massachusetts. He graduated Phi Beta Kappa from Brandeis University and Summa cum Laude from Boston University Goldman School of Dental Medicine where he was also Inducted into OKU, the national dental honor society. Dr. Fried subsequently completed a general practice residency where he learned advanced dental techniques at Jacobi Medical Center in New York City. Other than his fascination with all things tooth-related, Dr. Fried loves reading a good book, researching the latest tech, and trying out new recipes.

  • Dr. Wanpeng Xu, DMD, MSD, PhD

    Dr. Xu is a Periodontist specialized in periodontology and tissue engineering. He attended Henan Medical University School of Dental Medicine in China for the degree of Doctor of Dental Surgery and obtained his first periodontal training combined with a PhD majored in tissue engineering in periodontal application from Hiroshima University in Japan. He then received his second dental degree, Doctor of Dental Medicine, and periodontal certificate from Boston University Goldman School of Dental Medicine. Dr. Xu is an active member of American Dental Association and committee member of Massachusetts Dental Society. He has also been conducting research in dental tissue engineering and actively working with bioengineers and tech groups trying to develop new methods to improve the quality in dental care.

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Hours of Operation

Vast Dental Family & Cosmetic Dentistry


9:00 am-5:00 pm


9:00 am-5:00 pm


10:00 am-5:00 pm


9:00 am-5:00 pm


9:00 am-5:00 pm