Individual provider Active NPI

Alexandra Vialonga, MD

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1982346599
Registry record updated Mar 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
25MA12481900 Issued in NJ
Practice address
250 W 57TH St FL 15
New York, NY 10107-1307
Phone
(212) 523-4000
NPI assigned
Apr 13, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 25MA12481900 NJ
Internal Medicine Physician 207R00000X 25MA12481900 NJ Primary

Addresses

Primary practice location

250 W 57TH St FL 15
New York, NY 10107-1307

Mailing address

250 W 57TH St FL 15
New York, NY 10107-1307

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250107001848 NJ Practitioner - Emergency Medicine 2365970134 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ihpnj ER LLCGroup PAC ID 3870963168, 36 clinicians

Practice addresses (Care Compare)

29 E 29TH St
Bayonne, NJ 07002-4695
Phone (201) 858-5000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
25MA12481900NJMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Ihpnj ER LLC CurrentSince Dec 27, 2024 Accepting new patients

Locations

29 E 29th St
Bayonne, NJ 07002
Phone (201) 585-5000

613 Park Ave
Ste 2
East Orange, NJ 07017

308 Willow Ave
Hoboken, NJ 07030
Phone (201) 418-1574

176 Palisade Ave
Jersey City, NJ 07306
Phone (201) 795-8200

350 Boulevard
Passaic, NJ 07055
Phone (973) 365-4300

610 Sentry Pkwy
Bldg 660
Blue Bell, PA 19422

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1649808000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1982346599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 W 57TH ST FL 15",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101071307"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 W 57TH ST FL 15",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101071307",
            "telephone_number": "212-523-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIALONGA",
        "first_name": "ALEXANDRA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-13",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NJ",
            "license": "25MA12481900",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA12481900",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.