Individual provider Active NPI

Firuza R Marchenko, FNP-C

  • Family Nurse Practitioner
  • Oswego, NY
National Provider Identifier
1194680926
Registry record updated Mar 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
F358009 Issued in NY
Practice address
110 W 6TH St
Oswego, NY 13126-2507
Phone
(315) 349-5511
NPI assigned
Dec 23, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X F358009 NY Primary

Addresses

Primary practice location

110 W 6TH St
Oswego, NY 13126-2507

Mailing address

110 W 6TH St
Oswego, NY 13126-2507
Phone (315) 349-5511

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
I20260330002138 NY Practitioner - Nurse Practitioner 0547745309 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
Oswego HospitalGroup PAC ID 4981686045, 59 clinicians

Practice addresses (Care Compare)

110 W 6TH St
Oswego, NY 13126-2507
Phone (315) 349-5511

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
F358009NYMDFamily Nurse Practitioner

Organizations & group practices 1

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1766448000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774137600000",
    "number": "1194680926",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 W 6TH ST",
            "city": "OSWEGO",
            "state": "NY",
            "postal_code": "131262507",
            "telephone_number": "315-349-5511"
        },
        {
            "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": "315-349-5511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCHENKO",
        "first_name": "FIRUZA",
        "middle_name": "R",
        "name_prefix": "Mrs.",
        "credential": "FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-12-23",
        "last_updated": "2026-03-22",
        "certification_date": "2026-03-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F358009",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oswego, NY

Sources for this page

Verify at the official NPI Registry.