Individual provider Active NPI

Gabrielle Masseria, PA-C

  • Physician Assistant
  • Berkeley Heights, NJ
National Provider Identifier
1679823652
Registry record updated Jan 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
25MP00659200 Issued in NJ
Practice address
1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104
Phone
(516) 783-4600
NPI assigned
Sep 17, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 15, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 015889 NY
Physician Assistant 363A00000X 25MP00659200 NJ Primary

Addresses

Primary practice location

1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104

Mailing address

1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104

Other practice location 1

1345 Rxr Plz # 13th
Uniondale, NY 11556-1301
Phone (908) 588-3635

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CT, NJ3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20130815000059 NY Practitioner - Physician Assistant 9436391851 Reassigns benefits to 3 organizations
I20241011000602 CT Practitioner - Physician Assistant 9436391851 Reassigns benefits to 1 organization
I20260120001457 NJ Practitioner - Physician Assistant 9436391851 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

150 Floral Ave
New Providence, NJ 07974-1557

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
25MP00659200NJMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
City Medical of Upper East Side, PLLC CurrentSince Sep 30, 2024 Accepting new patients
New York University CurrentSince Mar 1, 2020 Accepting new patients
City Medical of Upper East Side, PLLC CurrentSince Aug 12, 2019 Accepting new patients
New York University CurrentSince Mar 1, 2020 Accepting new patients
Summit Medical Group PA CurrentSince Jan 13, 2026 Accepting new patients
Summit Medical Group PA CurrentSince Jan 13, 2026 Accepting new patients
City Medical of Upper East Side, PLLC CurrentSince Aug 12, 2019 Accepting new patients

Locations

506 Westport Ave
Norwalk, CT 06851
Phone (203) 706-4170

1 Diamond Hill Rd
Berkeley Heights, NJ 07922
Phone (908) 277-8868

3111 Steinway St
Astoria, NY 11103
Phone (718) 475-2345

1345 Avenue of the Americas
Fl 8
New York, NY 10105
Phone (212) 913-0828

336 E 86th St
New York, NY 10028
Phone (212) 772-3627

1345 Rxr Plz
Uniondale, NY 11556
Phone (516) 453-0435

14 Wall St
Fl 9
Wall Street, NY 10005
Phone (646) 501-3224

Networks

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

Interoperability endpoints

  • Direct secure messaging: gabrielle.masseria.1@2983.direct.athenahealth.com

Organizations & group practices 9

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": "1347840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1679823652",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 DIAMOND HILL RD",
            "city": "BERKELEY HEIGHTS",
            "state": "NJ",
            "postal_code": "079222104"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 DIAMOND HILL RD",
            "city": "BERKELEY HEIGHTS",
            "state": "NJ",
            "postal_code": "079222104",
            "telephone_number": "516-783-4600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1345 Rxr Plz # 13th",
            "address_purpose": "LOCATION",
            "city": "Uniondale",
            "state": "NY",
            "postal_code": "115561301",
            "country_code": "US",
            "telephone_number": "908-588-3635",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASSERIA",
        "first_name": "GABRIELLE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-09-17",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "015889",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NJ",
            "license": "25MP00659200",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Berkeley Heights, NJ

Sources for this page

Verify at the official NPI Registry.