William H Stilwell, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

337400 Issued in NY

Practice address

110 W 6TH St
Oswego, NY 13126-2507

Phone

(315) 349-5752

Fax

(315) 349-5769

NPI assigned

Jul 24, 2012

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Physician Care PCGroup PAC ID 9032367453, 74 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Oswego Hospital Hospital, Oswego, NY, CCN 330218

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Physician Care PC

  • Internal Medicine Physician
  • Oswego, NY
  • NPI 1073868113
  Medicare reassignment Care Compare group NPD
• Port City Emergency Physicians LLP

  • Emergency Medicine Physician
  • Oswego, NY
  • NPI 1134370547
  Medicare reassignment NPD
• Wellnow Urgent Care, PC

  • Urgent Care Clinic/Center
  • Liverpool, NY
  • NPI 1669825162
  Medicare reassignment NPD
• Port City Emergency Physicians LLP

  • Emergency Medicine Physician
  • Hamilton, NY
  • NPI 1316395460
  NPD
• Wellnow Urgent Care, PC

  • Urgent Care Clinic/Center
  • Jamestown, NY
  • NPI 1770850224
  NPD (past)

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

• Oswego Hospital

  • General Acute Care Hospital
  • Oswego, NY
  • NPI 1871678458
  Care Compare affiliation

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

{
    "created_epoch": "1343088000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741651200000",
    "number": "1407102734",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8549 LONG LEAF TRL",
            "city": "LIVERPOOL",
            "state": "NY",
            "postal_code": "130901127"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 W 6TH ST",
            "city": "OSWEGO",
            "state": "NY",
            "postal_code": "131262507",
            "telephone_number": "315-349-5752",
            "fax_number": "315-349-5769"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STILWELL",
        "first_name": "WILLIAM",
        "middle_name": "H",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-07-24",
        "last_updated": "2025-03-11",
        "certification_date": "2025-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "337400",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Holly C Steffen
• Courtney Michelle Stellmack, MSED
• Grace McAdam Stephens
• Micheal D Stephens, M.D.
• Makala Mae Stevens, PA-C
• Kristen Ann Stock
• Cierra Stone
• Jo-an Stone
• Marjorie Storrs
• Jeffrey Witt Strain, MD, FACS

• Family Nurse Practitioner in Oswego, NY
• Providers in Oswego, 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 Mar 11, 2025; 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.