Individual provider Active NPI

Alexandra N Sigona, MA, MS, PA-C

  • Physician Assistant
  • Livingston, NJ
National Provider Identifier
1174004287
Registry record updated Aug 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
25MP00484000 Issued in NJ
Practice address
94 Old Short Hills Rd Ste 1
Livingston, NJ 07039-5668
Phone
(973) 322-5000
NPI assigned
Aug 27, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2025

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
Physician Assistant 363A00000X 25MP00484000 NJ Primary

Addresses

Primary practice location

94 Old Short Hills Rd Ste 1
Livingston, NJ 07039-5668

Mailing address

135 Grove St Apt 3
Montclair, NJ 07042-4012
Phone (201) 247-2975

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ
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 1

Enrollment IDStateProvider typePAC IDDetails
I20240503000219 NJ Practitioner - Physician Assistant 5597105858 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Arts, Master of Science, Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Rutgers Health-RWJ Neurosurgery Faculty Current Accepting new patients
Rutgers Health-RWJ Neurosurgery Faculty CurrentSince Sep 12, 2025 Accepting new patients
Rutgers Health-RWJ Neurosurgery Faculty CurrentSince Sep 12, 2025 Accepting new patients
Rutgers Health-RWJ Neurosurgery Faculty Past Accepting new patients

Locations

94 Old Short Hills Rd
Ste 1
Livingston, NJ 07039
Phone (973) 322-2800

94 Old Short Hills Rd
Livingston, NJ 07039
Phone (973) 322-5400

125 Paterson St
Ste 4100
New Brunswick, NJ 08901
Phone (732) 235-7756

Organizations & group practices 5

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": "1535328000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1174004287",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "135 GROVE ST APT 3",
            "city": "MONTCLAIR",
            "state": "NJ",
            "postal_code": "070424012",
            "telephone_number": "201-247-2975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "94 OLD SHORT HILLS RD STE 1",
            "city": "LIVINGSTON",
            "state": "NJ",
            "postal_code": "070395668",
            "telephone_number": "973-322-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIGONA",
        "first_name": "ALEXANDRA",
        "middle_name": "N",
        "name_prefix": "Ms.",
        "credential": "MA, MS, PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-08-27",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NJ",
            "license": "25MP00484000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Livingston, NJ

Sources for this page

Verify at the official NPI Registry.