John P. Harbour, DDS MSD
Orthodontics and Dentofacial Orthopedics Dentistry · Donaldsonville, LA
John P. Harbour, DDS MSD is an orthodontics and dentofacial orthopedics dentistry with a practice address in Donaldsonville, Louisiana, and NPI 1144374570, issued on Jan 23, 2007. Check the license (Louisiana 3289, as entered in NPPES) with the Louisiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John P. Harbour
- Credential
- DDS MSD
- Primary taxonomy
- Orthodontics and Dentofacial Orthopedics Dentistry 1223X0400X
- License number
- 3289 LA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Railroad Ave, Donaldsonville, LA 70346
- Phone
- (225) 473-6434
- Enumerated
- Jan 23, 2007
- Record last updated
- Jun 26, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (225) 927-1817
- Entity
- Type 1 · individual
8 nearest orthodontics and dentofacial orthopedics dentistry records → All 169 in Louisiana → Look up another NPI →
Verify John P. Harbour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 3289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John P. Harbour among 169 orthodontics and dentofacial orthopedics dentistry records in Louisiana
John P. Harbour, DDS MSD is one of 169 orthodontics and dentofacial orthopedics dentistry records with a practice address in Louisiana. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 22% of them.
- NPI issued2007 · 22% of these records are older, 46% newer
- In a Medicare fileNo · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2014 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223X0400X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 orthodontics and dentofacial orthopedics dentistry record lists a practice address in Donaldsonville
They are 1 of the 140 NPPES records with a practice address in Donaldsonville, and 169 orthodontics and dentofacial orthopedics dentistry records in Louisiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 169 in Louisiana → Every provider in Donaldsonville → Orthodontics and Dentofacial Orthopedics Dentistry nationwide →
The 8 orthodontics and dentofacial orthopedics dentistry records with the nearest ZIP codes
- Brent Benoit, D.D.S., M.S.DHouma, LA 703601881075984
- Albert Ellender, D.D.S.Houma, LA 703601851530315
- Jacob Ellender, DDSHouma, LA 703601295493658
- Michael Engeron, D.D.S.Houma, LA 703601578654802
- Hannah Knott, DDS, BSHouma, LA 703601982229720
- Catherine Schwab, DDSHouma, LA 703601497849905
- Nicole Thieler, D.D.S.Houma, LA 703601417356684
- Whybra Duay, D.D.S.Morgan City, LA 703801871691949
Common questions
What is John P. Harbour, DDS MSD's NPI number?
John P. Harbour, DDS MSD's National Provider Identifier (NPI) is 1144374570, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John P. Harbour, DDS MSD located?
The NPPES record lists a practice address at 200 Railroad Ave, Donaldsonville, LA, 70346. Phone: (225) 473-6434. Providers update this record themselves, so call before visiting.
How can I verify John P. Harbour, DDS MSD's license?
NPPES lists Louisiana license number 3289, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.