Jeffrey Hallett, M.D.
NPI 1275683823 · Allergy & Immunology Physician · Round Rock, TX
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Hallett, M.D. is a Allergy & Immunology Physician provider in Round Rock, TX (NPI 1275683823).
Provider details
- NPI number
- 1275683823
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- H1588 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 55 | 24 |
| Fluticasone Propionate | 46 | 23 |
| Azithromycin | 37 | 21 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 34 | — |
| Azelastine/Fluticasonebrand: Azelastine-Fluticasone | 33 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 21 |
| Montelukast Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,620 across 63 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
- 2007-01-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Hallett's NPI number?
- Jeffrey Hallett's National Provider Identifier (NPI) is 1275683823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Hallett's specialty?
- Jeffrey Hallett is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Hallett located?
- Jeffrey Hallett's practice location on file with NPPES is 16000 Park Valley Drive, Round Rock, TX 78681-4009.
- What is Jeffrey Hallett's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Hallett is (512) 244-3422.
- Does Jeffrey Hallett accept Medicare?
- Jeffrey Hallett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Hallett's NPI active?
- Yes — Jeffrey Hallett's NPI (1275683823) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.