Dr William Negreiros

Dr. William is a highly skilled dental professional with over a decade of dentistry experience and substantial expertise in guided surgery, bone grafting, and regenerative procedures. A proven track record of successful outcomes underscores his dedication in these areas of dentistry. 

Dr. William is known for his meticulous planning and execution of guided surgical implant placement and his adept utilization of cutting-edge digital dentistry techniques. 

This wealth of expertise in guided surgery, bone grafting, and regenerative procedures complements Dr. William’s impressive academic and professional journey. He embarked on his dental career by earning his dental degree in São Paulo, Brazil 2013. Subsequently, he pursued advanced specialization, obtaining a master’s in Dental Materials Sciences and a specialty certificate in Implant Dentistry in Brazil. 

His commitment to excellence led him to the United States, where he secured a prestigious two-year fellowship in Implant Dentistry at Harvard School of Dental Medicine. Following this, he decided to have his dental degree recognized in the US and graduated with distinction (cum laude) from Tufts University School of Dental Medicine. 

During his tenure at Tufts University, Dr. William’s exceptional academic achievements garnered multiple awards, including the “Dr. Joseph E. Primack Endowed Prize in Prosthodontics,” “The International Congress of Oral Implantology Achievement Award,” and the “Academy of Osseointegration Outstanding Research and Best Clinical Research Presentation Awards.” Furthermore, his dedication to scholarship earned him induction into the Omicron Kappa Upsilon honorary society. 

Dr. William’s expertise is further demonstrated by his prolific publication record, encompassing over 20 articles in the specialized fields of Implant Dentistry and Prosthodontics. 

Beyond his professional accomplishments, Dr. William is a devoted family man, sharing his life with fellow dentist Dr. Rachel Monteiro, an endodontist. They cherish parenthood with their son, Benjamin, and enjoy moments of relaxation and leisure together. Dr. William’s interests include tennis, fitness training, and culinary exploration. Most importantly, he values quality time spent with his loved ones. Dr. William is proficient in English and Portuguese, making him a versatile and skilled dental practitioner. 


Here at Chelmsford Dental Specialists Group, we’re in network with Blue Cross Blue Shield Indemnity and Delta Dental Premier (ONLY). We accept most major insurance plans and are happy to answer any questions you may have if you call our office. If you don’t have insurance, we have payment options through CareCredit. We also accept, Mastercard, VISA, Discover, Check and Cash as forms of payment. We do not accept American Express.

No insurance? No problem!

We offer CareCredit payment options for your convenience. Learn more about CareCredit today! Our team would be happy to assist you. New patients are welcome. We also accept, Mastercard, VISA, Discover, Check and Cash as forms of payment. We do not accept American Express.

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