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DR. GREGORY ADAM ROSNER M.D.
NPI 1346686904
Allergy & Immunology in Purchase, NY

Active since May 22, 2013PECOS EnrolledAccepts Medicare Assignment
91.28/100
CMS Quality Rating
3020 WESTCHESTER AVE STE 303, PURCHASE, NY 10577(914) 253-8070 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 4, 2019, Oct 5, 2018, Jul 26, 2018 (3 updates tracked since 2018).

About Dr. Gregory Adam Rosner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY ADAM ROSNER M.D. (NPI 1346686904) is an individual allergy & immunology provider in Purchase, New York, licensed in New York (279175) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS and is a graduate of University Of Connecticut School Of Medicine (2013).

NPPES Registry Identity

NPI1346686904
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. GREGORY ADAM ROSNERCredential: M.D.
Location Address3020 WESTCHESTER AVE STE 303Purchase, NY 10577-2525
Mailing Address660 White Plains Rd Fl 4Tarrytown, NY 10591-5187 · (914) 984-2546
Phone(914) 253-8070
Sole ProprietorNo
Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2013
Enumeration DateMay 22, 2013
Last NPPES UpdateJune 8, 20263 updates tracked since enumeration
NPPES CertifiedJune 8, 2026
✔ NPI 1346686904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Licenses✔ Licensed in NY · 279175✔ Licensed in NJ · 25MA10330600
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
3020 WESTCHESTER AVE STE 303, Purchase, NY 10577
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Adam Rosner M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163771320
PECOS Enrollment IDI20180829002984
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
4,717 services71 patients
Test for allergy using allergenic extract injected into skin 95024
An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.
340 services25 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
73 services73 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
45 services39 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
34 services26 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
25 services25 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.16
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

IRENE YU MD
Otolaryngology
3020 WESTCHESTER AVE STE 303
PURCHASE, NY 10577
Westchester County (914) 253-8070

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Rosner's NPI number?

The NPI number for Gregory Rosner is 1346686904. It was assigned to this individual provider in the NPPES registry on May 22, 2013.

Where is Gregory Rosner located?

Gregory Rosner practices at 3020 Westchester Ave Ste 303, Purchase, NY 10577. The listed phone number is (914) 253-8070.

What is Gregory Rosner's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Gregory Rosner enrolled in Medicare?

Yes. Gregory Rosner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gregory Rosner was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.