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

Dr. John Wei-Chun Diune, DDS

Individual provider Endodontics · NPI 1285731869

Dr. John Wei-Chun Diune, DDS is an Endodontics in Nashua, New Hampshire. Practices as a sole proprietor. Licensed in Massachusetts, New Hampshire, New York and Rhode Island.

Licensed in
MA, NH, NY, RI
In the registry since
2006
Specialties on file
4
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

451 Amherst St Ste 104
Nashua, NH 03063-1200
Phone: (603) 883-3777
Fax: (603) 883-3778
Show map & directions

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

Specialties & licences

Endodontics (primary) Taxonomy 1223E0200X · Licence 3437 (NH)
Endodontics Taxonomy 1223E0200X · Licence DEN02940 (RI)
Endodontics Taxonomy 1223E0200X · Licence 21204 (MA)
Endodontics Taxonomy 1223E0200X · Licence 051694-1 (NY)

Record details

NPI number1285731869
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedSeptember 17, 2006
Last updated in NPPESSeptember 25, 2007

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