A Bridge to The Underserved
Population For Over 40 Years

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Patient Education


All our professionals at Commonwealth Mobile Oral Health Services (CMOHS) maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.




Colin Brady, DMD

Dr. Brady, grew up locally, in Concord, MA. He attended Boston College where he received BS in Biology and a minor in Environmental Sciences. After completing college he attended Boston University Goldman School of Dental Medicine where he received his DMD in 2013. During his time at Boston University he completed two externship studies, one at The Dimock Center Dental Clinic in Roxbury, MA and the second in San Blas, Mexico. Following dental school, Dr. Brady completed a General Practice Residency in Dentistry at the Montefiore Medical Center in Bronx, NY. Dr. Brady is a member of the American Dental Association, and the Massachusetts Dental Society.

When he is not thinking about teeth, Dr. Brady enjoys playing sports (soccer and softball) and reading books (John Irving).    

Quyen Le Tran, DMD

Dr. Tran earned her DMD from Tufts University School of Dental Medicine after graduating summa cum laude with a Bachelor of Science in biology from the University of Massachusetts Boston. She joined CMOHS in 2011 after practicing in smaller practices in Malden, Quincy and Dorchester. She is an active member of the Vietnamese community with special devotion to children. She teaches Vietnamese and gives dental instructions in various community settings.

In 2012, Quyen received the first annual Dr. James J. Conroy Award for outstanding children's oral health services. The award signifies dedication to treating and preventing disease in children's oral health and compassion in service.


Ghassan Khoury, DMD, MPH

Dr. Khoury  received his dental training at Boston University School of Dental Medicine (BUSDM) and was awarded his DMD in 1996. He performed an Advanced Education Graduate Dentistry (AEGD) residency at BUSDM in 1997. He also received his Master's degree in Public Health (MPH) from BUSDM, completing his post-doctoral training with a Certificate in Advanced Graduate Training (CAGS) in Geriatric Dentistry in 1999. That same year, Dr. Khoury was awarded a faculty position at the BUSDM as an Assistant Clinical Professor in restorative dentistry, a position he still maintains. Dr. Khoury began seeing patients as an associate of the Dorchester House Multi Service Center (DHMSC) in 1997 and joined CMOHS in 2001. Dr Khoury balances his faculty position, a private practice of his own and traveling throughout the state for CMOHS working primarily on Martha's Vineyard and , in Department of Youth Service and Department of Social Service locations for us.


Qui Q. Nguyen, DMD

Dr. Qui  graduated from BUSDM in 2001. He performed his senior externship at DHMSC with Dr. Doherty as his preceptor, and after receiving his DMD degree in 2001 he became an associate and full-time provider at the DHMSC. In 2001 Dr. Qui joined CMOHS and has increased his involvement steadily since. He presently provides Endodontics once a week to CMOHS patients in need. In 2004 Dr. Qui was awarded the prestigious Ten in Ten Award from the Massachusetts Dental Society (MDS) for his work with CMOHS and for his Oral Health contributions to children suffering from oral health disparities. He has also twice been awarded the UMASS Medical School Long Forgiveness Program Award, once in 2003 for two years and again in 2006 for two years. Dr. Qui is the holder of multiple black belts in several Martial Arts disciplines. His specialty is weapons and he is regularly featured in advanced exhibitions throughout the martial arts world.


Cuong Do, DMD

Cuong Do, DMD.  Dr. Do was a 2004 graduate of the BUSDM. He did his senior externship at the Dorchester House Multi Service Center and immediately following his graduation he joined CMOHS. Dr. Do works closely with the Boston Schools Smart Smiles Program and often jointly with Dr. John Morgan and Kathy Dolan, RDH, MPH and the Tufts Special Needs Program. His concentration is Boston public schools and the Head Start population. In 2005 Dr. Do won the South Eastern Massachusetts Twelfth Annual Local Heroes Award for providing excellent dental care in that area. This award was nominated by the South Shore Community Action Council. In 2005, 2006 and 2007 Dr. Do was honored for his dental care of under-served children by the Cape Cod Community Action Council. Dr. Do lives in Milton with his new bride and travels throughout the state to provide oral health care to multiple head starts and schools throughout the state.



Christian Dinn, DMD

Dr. Dinn received his DMD in 2008 from Boston University Goldman School of Dental Medicine. He did his externship at Codman Square Health Center, Dorchester, MA where he also volunteered to instruct residents of the Boston area with HIV/AIDS on Oral Health and Hygiene. In 2009 Dr. Dinn started working for his brother Dr. Michael J. Dinn at his Sandwich, MA office. Dr.Dinn joined CMOHS in 2009 working in the Taunton and Attleboro school systems. He also works at the Taunton Oral Health Center in Taunton, MA. where he is the Lead Dentist.  Dr. Dinn is a member of the American Dental Association, Massachusetts Dental Society and Southeastern District Dental Society.






David L. Burke, DMD

Dr. Burke serves as the CMOHS Quality Assurance Director where he reviews dental charts for quality, and the high standards set by Mass Health, CMOHS, and the partners we work with. He also currently works for Mass Health as a dental consultant in the Prior Authorization Unit, which requires extensive knowledge of policies, programs, and regulations within Mass health. He is also a public health dentist precepting dental students, externs, and general dental residents. In addition, Dr. Burke is a special consultant to the Chief Dental Officer at one of the largest and most productive community health centers in the state of Massachusetts. Dr. Burke received his DMD from Tufts University School of Dental Medicine in 1968 and also served as a Captain in the United States Army Dental Corps where he was a Chief of Oral Surgery and Chief of Endodontics 1969-1971. He has practiced as both a private practitioner at private practices and as a consultant for claims review within a private insurance agency.