Neil Wallen, M.D.
NPI 1326043373 · Allergy Physician · Bristol, TN
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neil Wallen, M.D. is a Allergy Physician provider in Bristol, TN (NPI 1326043373).
Provider details
- NPI number
- 1326043373
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD0000017754 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
233 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Professional Service for Multiple Injections of Allergen95117 | 87 | $11 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 69 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $85 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $171 |
| Test to Measure Expiratory Airflow and Volume94010 | 21 | $25 |
Typical Medicare-allowed amounts for these services range $11–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 140 | 41 |
| Fluticasone Propionate | 102 | 42 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 94 | 45 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 81 | 21 |
| Ipratropium Bromide | 72 | 26 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 58 | 16 |
| Epinephrine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,553 across 65 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2009-09-24
Frequently asked questions
- What is Neil Wallen's NPI number?
- Neil Wallen's National Provider Identifier (NPI) is 1326043373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neil Wallen's specialty?
- Neil Wallen is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Neil Wallen located?
- Neil Wallen's practice location on file with NPPES is 933 Highway 126, Bristol, TN 37620-3310.
- What is Neil Wallen's phone number?
- The practice phone number listed in the NPPES registry for Neil Wallen is (423) 844-7000.
- Does Neil Wallen accept Medicare?
- Neil Wallen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neil Wallen's NPI active?
- Yes — Neil Wallen's NPI (1326043373) is active in the NPPES registry as of the last update on 2009-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.