John Hassett, M.D.
NPI 1427143049 · Pulmonary Disease Physician · Hempstead, NY
John Hassett, M.D. is a Pulmonary Disease Physician provider in Hempstead, NY (NPI 1427143049).
Provider details
- NPI number
- 1427143049
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 201812 (NY)
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Fluticasone/Vilanterolbrand: Breo Ellipta | 27 |
| Montelukast Sodium | 27 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 21 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 16 |
| Fluticasone Furoatebrand: Arnuity Ellipta | 11 |
| Hydrochlorothiazide | 11 |
| Sertraline Hcl | 11 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 3 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
- 2006-10-03
- Last updated
- 2007-07-09
Frequently asked questions
- What is John Hassett's NPI number?
- John Hassett's National Provider Identifier (NPI) is 1427143049, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hassett's specialty?
- John Hassett is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Hassett located?
- John Hassett's practice location on file with NPPES is 230 Hilton Avenue, Hempstead, NY 11565.
- What is John Hassett's phone number?
- The practice phone number listed in the NPPES registry for John Hassett is (516) 292-1349.
- Is John Hassett's NPI active?
- Yes — John Hassett's NPI (1427143049) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.