Gregory Rosner, M.D.
NPI 1346686904 · Allergy & Immunology Physician · Purchase, NY
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Rosner, M.D. is a Allergy & Immunology Physician provider in Purchase, NY (NPI 1346686904).
Provider details
- NPI number
- 1346686904
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA10330600 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,250 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 4,717 | $5 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 340 | $10 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 73 | $135 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $110 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $154 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 86 | 31 |
| Azelastine Hcl | 86 | 37 |
| Ipratropium Bromide | 54 | 18 |
| Dupilumabbrand: Dupixent Pen | 39 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 21 | — |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 16 | — |
| Fluticasone/Vilanterol |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,174 across 48 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
Additional practice locations (2)
- 900 Lanidex Plz Ste 300Parsippany, NJ 07054-2707Phone: (973) 394-1818
- 3119 Newtown Ave Ste 201Astoria, NY 11102-1392Phone: (718) 971-2490
Registry dates
- Enumerated
- 2013-05-22
- Last updated
- 2019-04-04
Frequently asked questions
- What is Gregory Rosner's NPI number?
- Gregory Rosner's National Provider Identifier (NPI) is 1346686904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Rosner's specialty?
- Gregory Rosner is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Rosner located?
- Gregory Rosner's practice location on file with NPPES is 3020 Westchester Ave Ste 303, Purchase, NY 10577-2525.
- What is Gregory Rosner's phone number?
- The practice phone number listed in the NPPES registry for Gregory Rosner is (914) 253-8070.
- Does Gregory Rosner accept Medicare?
- Gregory Rosner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Rosner's NPI active?
- Yes — Gregory Rosner's NPI (1346686904) is active in the NPPES registry as of the last update on 2019-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.