Individual provider Active NPI

William John Lynch, FNP-BC

  • Family Nurse Practitioner
  • New York, NY
National Provider Identifier
1932082476
Registry record updated Aug 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
357694 Issued in NY
Practice address
550 1St Ave
New York, NY 10016-6402
Phone
(212) 263-5550
NPI assigned
Jul 30, 2025
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 13, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Registered Nurse 163WE0003X 819993 NY
Family Nurse Practitioner 363LF0000X 357694 NY Primary

Addresses

Primary practice location

550 1St Ave
New York, NY 10016-6402

Mailing address

71 Kings Hwy
Congers, NY 10920-2248
Phone (845) 642-8867

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
I20251017001683 NY Practitioner - Nurse Practitioner 6103313549 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Practice addresses (Care Compare)

111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700

150 55TH St
Brooklyn, NY 11220-2508
Phone (718) 630-7000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
819993NYMDEmergency Registered Nurse
357694NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
New York University CurrentSince Oct 1, 2025 Accepting new patients
New York University CurrentSince Oct 1, 2025 Accepting new patients

Locations

550 1st Ave
New York, NY 10016
Phone (212) 263-3293

Interoperability endpoints

  • Direct secure messaging: wlynch696088@nyumc.direct-ci.com

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1753833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1932082476",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "71 KINGS HWY",
            "city": "CONGERS",
            "state": "NY",
            "postal_code": "109202248",
            "telephone_number": "845-642-8867"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "212-263-5550"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LYNCH",
        "first_name": "WILLIAM",
        "middle_name": "JOHN",
        "credential": "FNP-BC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-07-30",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WE0003X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Emergency",
            "state": "NY",
            "license": "819993",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "357694",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.