Individual provider Active NPI

Emily Battinelli Masi, MD, PHD

  • Pediatric Rheumatology Physician
  • New Hyde Park, NY
National Provider Identifier
1750918686
Registry record updated Jul 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Rheumatology PhysicianTaxonomy code 2080P0216X
License
325931-01 Issued in NY
Practice address
1991 Marcus Ave Ste M100
New Hyde Park, NY 11042-2062
Phone
(516) 472-3700
NPI assigned
Mar 23, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Rheumatology Physician 2080P0216X 325931-01 NY Primary

Addresses

Primary practice location

1991 Marcus Ave Ste M100
New Hyde Park, NY 11042-2062

Mailing address

1991 Marcus Ave Ste M100
New Hyde Park, NY 11042-2062
Phone (516) 472-3700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
North Shore-Lij Medical PC PastSince Sep 8, 2026 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: emasi51845@northwell.direct-ci.com

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1584921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1750918686",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1991 MARCUS AVE STE M100",
            "city": "NEW HYDE PARK",
            "state": "NY",
            "postal_code": "110422062",
            "telephone_number": "516-472-3700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1991 MARCUS AVE STE M100",
            "city": "NEW HYDE PARK",
            "state": "NY",
            "postal_code": "110422062",
            "telephone_number": "516-472-3700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASI",
        "first_name": "EMILY",
        "middle_name": "BATTINELLI",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-23",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0216X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Rheumatology",
            "state": "NY",
            "license": "325931-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Hyde Park, NY

Sources for this page

Verify at the official NPI Registry.