IndividualActive
John Diune, D.D.S.
NPI 1285731869 · Endodontics · Nashua, NH
John Diune, D.D.S. is a Endodontics provider in Nashua, NH (NPI 1285731869).
Provider details
- NPI number
- 1285731869
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3437 (NH)
Specialties & taxonomies
Dental Providers
Dental Providers
Dental Providers
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
451 Amherst St
Suite 104
Nashua, NH 03063-1200
Phone: (603) 883-3777
Fax: (603) 883-3778
Street-level locationGet directions
Mailing address
451 Amherst St
Nashua, NH 03063-1200
Registry dates
- Enumerated
- 2006-09-17
- Last updated
- 2007-09-25
Frequently asked questions
- What is John Diune's NPI number?
- John Diune's National Provider Identifier (NPI) is 1285731869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Diune's specialty?
- John Diune is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
- Where is John Diune located?
- John Diune's practice location on file with NPPES is 451 Amherst St, Nashua, NH 03063-1200.
- What is John Diune's phone number?
- The practice phone number listed in the NPPES registry for John Diune is (603) 883-3777.
- Is John Diune's NPI active?
- Yes — John Diune's NPI (1285731869) is active in the NPPES registry as of the last update on 2007-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.