Individual provider Active NPI

Jennifer Casilla

  • Adult Health Nurse Practitioner
  • Mastic, NY
National Provider Identifier
1679128904
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
F309348-01 Issued in NY
Practice address
1450 Montauk Hwy
Mastic, NY 11950-5528
Phone
(934) 248-5458
NPI assigned
Aug 4, 2019
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Health Nurse Practitioner 363LA2200X F309348-01 NY Primary

Addresses

Primary practice location

1450 Montauk Hwy
Mastic, NY 11950-5528

Mailing address

1450 Montauk Hwy
Mastic, NY 11950-5528
Phone (934) 248-5458

Other names 1

  • Mrs. Jennifer Casilla Professional name

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
I20200206000943 NY Practitioner - Nurse Practitioner 5395171557 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Samaritan Medical Services PCGroup PAC ID 7012016009, 341 clinicians

Practice addresses (Care Compare)

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone (516) 705-2689

50 Route 25a
Smithtown, NY 11787-1348
Phone (631) 862-3000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
F309348-01NYMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Samaritan Medical Services, P.C. CurrentSince Oct 23, 2024 Accepting new patients

Locations

245 Old Country Rd
Melville, NY 11747
Phone (631) 465-6141

1000 Montauk Hwy
West Islip, NY 11795
Phone (516) 705-2689

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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": "1564876800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1679128904",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1450 MONTAUK HWY",
            "city": "MASTIC",
            "state": "NY",
            "postal_code": "119505528",
            "telephone_number": "934-248-5458"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1450 MONTAUK HWY",
            "city": "MASTIC",
            "state": "NY",
            "postal_code": "119505528",
            "telephone_number": "934-248-5458"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASILLA",
        "first_name": "JENNIFER",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-08-04",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NY",
            "license": "F309348-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JENNIFER",
            "last_name": "CASILLA",
            "prefix": "MRS.",
            "credential": "NP",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Mastic, NY

Sources for this page

Verify at the official NPI Registry.