Gregory Adam Rosner, M.D.

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

279175 Issued in NY

Practice address

3020 Westchester Ave Ste 303
Purchase, NY 10577-2525

Phone

(914) 253-8070

NPI assigned

May 22, 2013

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NJ, NY2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Allergy/Immunology

Education

University of Connecticut School of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

ENT and Allergy Associates LLPGroup PAC ID 0749193662, 431 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

94.45 of 100Reported as group

Quality

89.91

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722

Interoperability endpoints

• Direct secure messaging: gregory.rosner@direct.entandallergy.nextgenshare.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• ENT and Allergy Associates LLP

  • Otolaryngology Physician
  • Tarrytown, NY
  • NPI 1376598326

  Allergy & Immunology, NJ

  Medicare reassignment Care Compare group NPD
• ENT and Allergy Associates of Pennsylvania PLLC

  • Allergy & Immunology Physician
  • Willow Grove, PA
  • NPI 1548098759
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1369180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1346686904",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 WHITE PLAINS RD FL 4",
            "city": "TARRYTOWN",
            "state": "NY",
            "postal_code": "105915187",
            "telephone_number": "914-984-2546"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3020 WESTCHESTER AVE STE 303",
            "city": "PURCHASE",
            "state": "NY",
            "postal_code": "105772525",
            "telephone_number": "914-253-8070"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "222 Bloomingdale Rd Fl 2",
            "address_purpose": "LOCATION",
            "city": "White Plains",
            "state": "NY",
            "postal_code": "106051513",
            "country_code": "US",
            "telephone_number": "914-949-3888",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ROSNER",
        "first_name": "GREGORY",
        "middle_name": "ADAM",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-22",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "NJ",
            "license": "25MA10330600",
            "primary": false
        },
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "NY",
            "license": "279175",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Adrienne R Rogers, M.D.
• Annabel Rojas
• Donna Marie Romandetto, MS, OTR/L
• Christina Marie Rosado, PT
• Jeffrey S Rosenfield, M.D.
• Christine Russo-Mayer, AU.D.
• Henry Ralph Russo, D.D.S.
• Lindsay Nicole Rutherford, DMD, MD
• Rye Brook Dental Associates, P.C.
• Karen Safris, LMSW

• Allergy & Immunology Physician in Purchase, NY
• Providers in Purchase, NY by specialty
• Allergy & Immunology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.