Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. Firuza R Marchenko, FNP-C

Individual provider Family Nurse Practitioner · NPI 1194680926

Mrs. Firuza R Marchenko, FNP-C is a Nurse Practitioner in Oswego, New York. Qualified in 2025, 1 year ago. Practices with Oswego Hospital, a 59-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
1
Licensed in
NY
In the registry since
2025
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

110 W 6th St
Oswego, NY 13126-2507
Phone: (315) 349-5511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence F358009 (NY)

Record details

NPI number1194680926
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorYes
NPI enumeratedDecember 23, 2025
Last updated in NPPESMarch 22, 2026
Certification dateMarch 22, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Oswego Hospital — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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