John Hassett, M.D.
Pulmonary Disease Physician · Hempstead, NY
John Hassett, M.D. is a pulmonary disease physician with a practice address in Hempstead, New York, and NPI 1427143049, issued on Oct 3, 2006. Check the license (New York 201812, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Hassett
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 201812 NY
Self-reported in NPPES; status is on the state search - Practice location
- 230 Hilton Avenue, Hempstead, NY 11565
- Phone
- (516) 292-1349
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,230 in New York → Look up another NPI →
Verify John Hassett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 201812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
232 Medicare Part D claims for 21 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Breo Ellipta27 claims
- Montelukast Sodium27 claims
- Trelegy Ellipta21 claims
- Fluticasone-Salmeterol16 claims
- Albuterol Sulfate Hfa11 claims
- Arnuity Ellipta11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $68.54
3 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Hassett among 1,230 pulmonary disease physician records in New York
John Hassett, M.D. is one of 1,230 pulmonary disease physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in New York
There are 1,230 pulmonary disease physician records in New York.
All 1,230 in New York → Every provider in Hempstead → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Alan Blum, MDLynbrook, NY 115631699758631
- Steve Mermelstein, MDLynbrook, NY 115631275516205
- Munagala Reddy, MDLong Beach, NY 115611730296385
- Frank Coletta, MDRockville Centre, NY 115701952421885
- Aviva Kamath, M.DRockville Centre, NY 115701427352251
- Abdul Majeed, M.D. FCCPRockville Centre, NY 115701225136591
- Michael Megally, M.D.Rockville Ctr, NY 115701942549381
- Karen Mrejen, MDRockville Centre, NY 115701902999212
Common questions
What is John Hassett, M.D.'s NPI number?
John Hassett, M.D.'s National Provider Identifier (NPI) is 1427143049, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Hassett, M.D. located?
The NPPES record lists a practice address at 230 Hilton Avenue, Hempstead, NY, 11565. Phone: (516) 292-1349. Providers update this record themselves, so call before visiting.
How can I verify John Hassett, M.D.'s license?
NPPES lists New York license number 201812, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Hassett, M.D. prescribe under Medicare Part D?
In 2024, John Hassett, M.D. had 232 Medicare Part D claims for 21 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.