Individual provider Active NPI

Lillian Kassin, PA-C

  • Physician Assistant
  • Brooklyn, NY
National Provider Identifier
1538023569
Registry record updated Dec 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
450 Clarkson Ave
Brooklyn, NY 11203-2012
Phone
(718) 270-1000
NPI assigned
Dec 13, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 13, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X NY Primary

Addresses

Primary practice location

450 Clarkson Ave
Brooklyn, NY 11203-2012

Mailing address

450 Clarkson Ave
Brooklyn, NY 11203-2012
Phone (718) 270-1000

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
I20260411000023 NY Practitioner - Physician Assistant 5294200895 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
House Call Medical Services of New York, PLLCGroup PAC ID 2264517754, 162 clinicians

Practice addresses (Care Compare)

1371 Seabury Ave
Bronx, NY 10461-3651
Phone (718) 618-0401

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

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": "1765584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765584000000",
    "number": "1538023569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 CLARKSON AVE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112032012",
            "telephone_number": "718-270-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 CLARKSON AVE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112032012",
            "telephone_number": "718-270-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KASSIN",
        "first_name": "LILLIAN",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-12-13",
        "last_updated": "2025-12-13",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

Verify at the official NPI Registry.