Individual provider Active NPI

Ileny Diaz

  • Family Nurse Practitioner
  • Oceanside, NY
National Provider Identifier
1972924116
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
F353742 Issued in NY
Practice address
3227 Long Beach Rd Ste 2
Oceanside, NY 11572-3651
Phone
(516) 431-1600
NPI assigned
Dec 13, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 669648 NY
Family Nurse Practitioner 363LF0000X F353742 NY Primary

Addresses

Primary practice location

3227 Long Beach Rd Ste 2
Oceanside, NY 11572-3651

Mailing address

3227 Long Beach Rd Ste 2
Oceanside, NY 11572-3651
Phone (516) 431-1600

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20251117000742 NY Practitioner - Nurse Practitioner 7113418682 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Harmony Health Care Long IslandGroup PAC ID 5991970535, 24 clinicians

Practice addresses (Care Compare)

3227 Long Beach Rd
Suite 2
Oceanside, NY 11572-3651
Phone (516) 678-0900

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
669648NYMDRegistered Nurse
F353742NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Harmony Health Care Long Island Current Accepting new patients
Harmony Health Care Long Island CurrentSince Nov 1, 2025 Accepting new patients
Harmony Health Care Long Island CurrentSince Nov 1, 2025 Accepting new patients
Elmont Community Health Center Past Accepting new patients

Locations

161 Hempstead Tpke
Elmont, NY 11003
Phone (516) 571-8200

101 S Bergen Pl
Freeport, NY 11520
Phone (516) 623-3600

135 Main St
Hempstead, NY 11550
Phone (516) 292-3111

619 Fulton Ave
Hempstead, NY 11550
Phone (516) 572-1300

3227 Long Beach Rd
Ste 2
Oceanside, NY 11572
Phone (516) 431-1600

380 Nassau Rd
Roosevelt, NY 11575
Phone (516) 571-8200

682 Union Ave
Westbury, NY 11590
Phone (516) 571-9500

Networks

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

Organizations & group practices 4

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": "1386892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1972924116",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3227 LONG BEACH RD STE 2",
            "city": "OCEANSIDE",
            "state": "NY",
            "postal_code": "115723651",
            "telephone_number": "516-431-1600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3227 LONG BEACH RD STE 2",
            "city": "OCEANSIDE",
            "state": "NY",
            "postal_code": "115723651",
            "telephone_number": "516-431-1600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "ILENY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-12-13",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "669648",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F353742",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oceanside, NY

Sources for this page

Verify at the official NPI Registry.