JOHN R CHRISTENSEN DDS MS MS PA
JOHN R CHRISTENSEN DDS MS MS PA is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1255546420, based in Durham, NC. The organization lists 3 taxonomy classifications, with Dental Clinic/Center recorded as primary.
Getting there
The practice address on file is 121 W WOODCROFT PKWY, Durham, NC 27713. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 5274 | NC | Dental Clinic/Center primary |
This provider holds licence 5274 issued in NC. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Dental covers
Definition to come... NUCC Health Care Provider Taxonomy, code 261QD0000X
All registered taxonomy codes
This provider registers 3 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 1223P0221X | Pediatric Dentistry Pediatric Dentistry | — | — | |
| 1223X0400X | Orthodontics and Dentofacial Orthopedics Dentistry Orthodontics and Dentofacial Orthopedics | — | — | |
| 261QD0000X | Dental Clinic/Center Dental | 5274 | NC | primary |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1255546420 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | May 11, 2007 |
| Last updated | Oct 3, 2019 |
| Status | Active |
| Practice address |
121 W WOODCROFT PKWY Durham, NC 27713 (919) 489-1543 Fax (919) 489-2892 |
| Mailing address |
121 WOODCROFT PARKWAY Durham, NC 27713 |
| Other names |
Durham Pediatric Dentistry & Orthodontics Former Legal Name Durham Pediatric Dentistry Former Legal Name |
| Other identifiers |
8991556
· Medicaid (NC) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 2 | 5 | 5 | 5 | 4 | 6 | 4 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 2 | 1 | 5 | 1 | 4 | 3 | 4 | 4 |
Sum = 50 · next multiple of 10 = 50 · check digit = 0 · actual last digit = 0
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.