Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Dr. John Terrence Sinclair, DDS

Individual provider General Practice Dentistry · NPI 1538165832

Dr. John Terrence Sinclair, DDS practises General Practice Dentistry in Pittsfield, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
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.

See every abbreviation used in this directory →

Practice location Address checks out

207 1st St
Pittsfield, MA 01201-4725
Phone: (413) 445-7791
Fax: (413) 445-7532
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 14912 (MA)

Record details

NPI number1538165832
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJune 22, 2005
Last updated in NPPESJuly 13, 2026

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