Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Michael John O'Brien, DDS

Individual provider Dentist · NPI 1164448635

Dr. Michael John O'Brien, DDS is a Dentist in Northampton, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

41 Locust St Ste 7
Northampton, MA 01060-2000
Phone: (413) 586-0716
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 13519 (MA)

Record details

NPI number1164448635
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJuly 15, 2006
Last updated in NPPESJuly 8, 2007

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