Individual provider Active NPI

Abby Sessa

  • Psychiatric/Mental Health Nurse Practitioner
  • Port Jefferson, NY
National Provider Identifier
1720954266
Registry record updated Jan 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
407537 Issued in NY
Practice address
100 Highlands Blvd
Port Jefferson, NY 11777-2320
Phone
(631) 473-3877
NPI assigned
Oct 13, 2025
Last updated
Jan 12, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 407537 NY Primary

Addresses

Primary practice location

100 Highlands Blvd
Port Jefferson, NY 11777-2320

Mailing address

100 Highlands Blvd
Port Jefferson, NY 11777-2320
Phone (631) 473-3877

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
I20260420002113 NY Practitioner - Nurse Practitioner 2567938202 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1111 Marcus Ave
New Hyde Park, NY 11042-1034

2 Brighton Rd
Suite 300
Clifton, NJ 07012-1645

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
407537NYMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
John T. Mather Memorial Hospital CurrentSince Mar 16, 2026 Accepting new patients
John T. Mather Memorial Hospital PastSince Mar 16, 2026 Accepting new patients

Locations

100 Highlands Blvd
Port Jefferson, NY 11777
Phone (631) 473-3877

100 Highlands Blvd
Ste 201
Port Jefferson, NY 11777
Phone (631) 473-3877

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1760313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768176000000",
    "number": "1720954266",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 HIGHLANDS BLVD",
            "city": "PORT JEFFERSON",
            "state": "NY",
            "postal_code": "117772320",
            "telephone_number": "631-473-3877"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HIGHLANDS BLVD",
            "city": "PORT JEFFERSON",
            "state": "NY",
            "postal_code": "117772320",
            "telephone_number": "631-473-3877"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SESSA",
        "first_name": "ABBY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-13",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "407537",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Port Jefferson, NY

Sources for this page

Verify at the official NPI Registry.