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

Dr. Timothy James Byrnes, DMD

Individual provider Dentist · NPI 1396976866

Dr. Timothy James Byrnes, DMD is a Dentist in Northborough, Massachusetts. Practices as a sole proprietor and works from 2 locations. Licensed in Colorado, Massachusetts and Pennsylvania.

Licensed in
CO, MA, PA
In the registry since
2009
Specialties on file
3
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

29 S St
Northborough, MA 01532-2603
Phone: (508) 393-7495
Show map & directions

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

Additional practice locations (1)

  • 263 Farmington Ave, Farmington, CT 06030-0001 — (860) 578-8350

Specialties & licences

Pediatric Dentistry (primary) Taxonomy 1223P0221X · Licence DN1856960 (MA)
Dentist Taxonomy 122300000X · Licence DS037869 (PA)
General Practice Dentistry Taxonomy 1223G0001X · Licence 10006 (CO)

Record details

NPI number1396976866
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedAugust 2, 2009
Last updated in NPPESSeptember 9, 2020
Certification dateSeptember 9, 2020

Other providers in Northborough