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

Dr. William Patrick Obrien, DMD

Individual provider General Practice Dentistry · NPI 1710991278

Dr. William Patrick Obrien, DMD is a General Practice Dentistry in Leominster, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

1079 Central St
Leominster, MA 01453
Phone: (978) 840-2740
Fax: (978) 840-3480
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 16626 (MA)

Record details

NPI number1710991278
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedJuly 28, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1079 Central Street, Leominster, MA 01453

Other providers in Leominster