Casey Lorraine Gilligan

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

License

031750 Issued in NY

Practice address

347 W 16TH St Apt 1C
New York, NY 10011-5931

Phone

(303) 883-0207

NPI assigned

May 22, 2023

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Merit-based Incentive Payment System (MIPS)

Final score

88 of 100Reported as group

Quality

74.04

Promoting interoperability

100

Improvement activities

40

Cost

70.96

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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

{
    "created_epoch": "1684713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1427740307",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "347 W 16TH ST APT 1C",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100115931"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "347 W 16TH ST APT 1C",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100115931",
            "telephone_number": "303-883-0207"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "170 William St",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100382612",
            "country_code": "US",
            "telephone_number": "212-312-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GILLIGAN",
        "first_name": "CASEY",
        "middle_name": "LORRAINE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-05-22",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NY",
            "license": "031750",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "FL",
            "license": "PA9117654",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Richard Gillian, CASAC
• Sarah Grace Gilliard, LMSW
• Erin Gilliatt
• Joette Gillies-Nelson, PMHNP-BC
• John Joseph Gillies III, LMSW, M.S.ED
• Jennifer Gilligan, RN, NP
• Molly Margaret Gilligan, MD
• Charles Whitman Gillihan, MD
• Katie Gilliland, MSED
• Naiomi Zipporah Gillis, LMSW

• Medical Physician Assistant in New York, NY
• Providers in New York, NY by specialty
• Medical Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.