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
Mailing address41 Locust St, Suite 7, Northampton, MA 01060-2000

Other providers in Northampton