Neil Wallen, M.D.
Neil Wallen, M.D. is an Allergy Physician in Bristol, TN, registered under NPI 1326043373.
Getting there
The practice address on file is 933 HIGHWAY 126, Bristol, TN 37620. 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 |
|---|---|---|
| MD0000017754 | TN | Allergy Physician primary |
This provider holds licence MD0000017754 issued in TN. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Allergy/immunology
- PAC ID
- 0749366987
- Enrollment ID
- I20080327000640
Medicare enrolment is recorded as approved under the provider type Practitioner - Allergy/immunology. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Allergy covers
A physician who specializes in the diagnosis, treatment, and management of allergies. NUCC Health Care Provider Taxonomy, code 207KA0200X
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-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1326043373 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 16, 2005 |
| Last updated | Sep 24, 2009 |
| Status | Deactivated |
| Sole proprietor | No |
| Credential | M.D. |
| Practice address |
933 HIGHWAY 126 Bristol, TN 37620 (423) 844-7000 Fax (423) 844-7007 |
| Mailing address |
PO BOX 9 Kingsport, TN 37662 |
| Other identifiers |
1326043373
· Medicaid (VA) 006002188 · Medicaid (VA) 1510634 · Medicaid (TN) 3032572 · Medicaid (TN) |
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 | 3 | 2 | 6 | 0 | 4 | 3 | 3 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 3 | 4 | 6 | 0 | 4 | 6 | 3 | 5 |
Sum = 57 · next multiple of 10 = 60 · check digit = 3 · actual last digit = 3
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.