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

Leon B Bastajian, DDS

Individual provider Dentist · NPI 1639155831

Leon B Bastajian, DDS is a Dentist in Watertown, 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.

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Practice location Address checks out

521 Mount Auburn St Ste 207
Watertown, MA 02472-4159
Phone: (617) 926-1146
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 14467 (MA)

Record details

NPI number1639155831
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedDecember 20, 2005
Last updated in NPPESJuly 13, 2026

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