Gregory Adam Rosner, M.D.
Allergy & Immunology Physician · Purchase, NY
Gregory Adam Rosner, M.D. is an allergy & immunology physician with a practice address in Purchase, New York, and NPI 1346686904, issued on May 22, 2013. Check the license (New York 279175, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Adam Rosner
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 279175 NY
25MA10330600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3020 Westchester Ave Ste 303, Purchase, NY 10577
- Phone
- (914) 253-8070
- Enumerated
- May 22, 2013
- Record last updated
- Jun 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20180829002984); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 311 in New York → Look up another NPI →
Also registered at 3020 Westchester Ave Ste 303
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Irene Yu, MDOtolaryngology Physician1063590826
Verify Gregory Adam Rosner 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 279175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
420 Medicare Part D claims for 101 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Azelastine Hcl86 claims
- Fluticasone Propionate86 claims
- Ipratropium Bromide54 claims
- Dupixent Pen39 claims
- Albuterol Sulfate Hfa21 claims
- Fluticasone-Salmeterol16 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,173.65
48 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 2,496 providers of this specialty with any payment received $8,321.81 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.
Bills Medicare through one group practice
- Ent And Allergy Associates LLPBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Adam Rosner among 311 allergy & immunology physician records in New York
Gregory Adam Rosner, M.D. is one of 311 allergy & immunology physician records with a practice address in New York. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 82% of them.
- NPI issued2013 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2013 · median 2000 among the 211 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in New York
There are 311 allergy & immunology physician records in New York.
All 311 in New York → Every provider in Purchase → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Thessaloniki Angelakos, MDScarsdale, NY 105831114094083
- Wang Mak, MDScarsdale, NY 105831053392514
- Patrick Maloney, M.D.Scarsdale, NY 105831043292097
- Manish Ramesh, M.B.B.S. PH.D.Scarsdale, NY 105831639479736
- Claire Smigiel, MDScarsdale, NY 105831578973913
- Mark Davis-Lorton, M.D.Tarrytown, NY 105911396727665
- Sheila Hankin, FAMILY NURSE PRACTITTarrytown, NY 105911932618923
- Ma. Lourdes De Asis, M.D.Valhalla, NY 105951013912989
Common questions
What is Gregory Adam Rosner, M.D.'s NPI number?
Gregory Adam Rosner, M.D.'s National Provider Identifier (NPI) is 1346686904, issued on May 22, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Adam Rosner, M.D. located?
The NPPES record lists a practice address at 3020 Westchester Ave Ste 303, Purchase, NY, 10577. Phone: (914) 253-8070. Providers update this record themselves, so call before visiting.
How can I verify Gregory Adam Rosner, M.D.'s license?
NPPES lists New York license number 279175, 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 Gregory Adam Rosner, M.D. prescribe under Medicare Part D?
In 2024, Gregory Adam Rosner, M.D. had 420 Medicare Part D claims for 101 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Gregory Adam Rosner, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.