Fiona Williams, FNP-BC

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

349373 Issued in NY

Practice address

24102 Northern Blvd
Douglaston, NY 11362-1055

Phone

(718) 461-0163

NPI assigned

May 25, 2022

Sex

Female

Sole proprietor

No

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

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

Specialty

Nurse Practitioner

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• North Shore University Hospital Hospital, Manhasset, NY, CCN 330106

Merit-based Incentive Payment System (MIPS)

Final score

97 of 100Reported as group

Quality

100

Improvement activities

40

Cost

79.74

Merit-based Incentive Payment System (MIPS)

Final score

93.07 of 100Reported as apm

Quality

79.77

Promoting interoperability

88.77

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: fionagrubb@nslijmedgr.allscriptsdirect.net

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.

• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment Care Compare group NPD
• Endocrine Consultants of Long Island LLP

  • Endocrinology, Diabetes & Metabolism Physician
  • Great Neck, NY
  • NPI 1598061046
  Medicare reassignment NPD
• Nsuh Huntington Physicians Ufp Corporation

  • Surgery Physician
  • Huntington, NY
  • NPI 1164223657
  Medicare reassignment
• Palmadessa & Brodsky Gastroenterology Associates P.C.

  • Specialist
  • Douglaston, NY
  • NPI 1881610426
  NPD (past)
• Boatox LLC

  • Family Nurse Practitioner
  • Ridgeland, MS
  • NPI 1770441248
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• North Shore University Hospital

  • General Acute Care Hospital
  • Manhasset, NY
  • NPI 1366459570
  Care Compare affiliation

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

{
    "created_epoch": "1653436800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1083352314",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23 JOSEPHINE LN",
            "city": "FORT SALONGA",
            "state": "NY",
            "postal_code": "117682706",
            "telephone_number": "516-635-5945"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24102 NORTHERN BLVD",
            "city": "DOUGLASTON",
            "state": "NY",
            "postal_code": "113621055",
            "telephone_number": "718-461-0163"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "FIONA",
        "credential": "FNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-05-25",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "703685",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "349373",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Veliz
• Janet B Vergara, LCSW
• Cynthia Wagner, LCSW
• Jipeng Wang
• Erica Weiss, M.A., CCC-SLP
• Raymond E. Williams, MSW
• Madelyn Sue Wolfin, LMSW
• Wonder Infants & Toddlers Otpc
• Kinming Lawrence Wong
• Yasemin Osman MD PLLC

• Family Nurse Practitioner in Douglaston, NY
• Providers in Douglaston, NY by specialty
• Family Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.