John Harbour, DDS MSD
NPI 1144374570 · Orthodontics and Dentofacial Orthopedics Dentistry · Donaldsonville, LA
John Harbour, DDS MSD is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Donaldsonville, LA (NPI 1144374570).
Provider details
- NPI number
- 1144374570
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DDS MSD
- Sex
- Male
- Sole proprietor
- No
- License
- 3289 (LA)
Specialties & taxonomies
Dental Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-01-23
- Last updated
- 2014-06-26
Frequently asked questions
- What is John Harbour's NPI number?
- John Harbour's National Provider Identifier (NPI) is 1144374570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Harbour's specialty?
- John Harbour is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is John Harbour located?
- John Harbour's practice location on file with NPPES is 200 Railroad Ave, Donaldsonville, LA 70346-2528.
- What is John Harbour's phone number?
- The practice phone number listed in the NPPES registry for John Harbour is (225) 473-6434.
- Is John Harbour's NPI active?
- Yes — John Harbour's NPI (1144374570) is active in the NPPES registry as of the last update on 2014-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.