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

Mrs. Catherine Mary Okoniewski, FNP

Individual provider Family Nurse Practitioner · NPI 1417069121

Mrs. Catherine Mary Okoniewski, FNP is a Family Nurse Practitioner in Oswego, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

110 W 6th St C/o Oswego Hospital - Ste G70
Oswego, NY 13126-2507
Phone: (315) 349-5760
Fax: (315) 349-5785
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence F330946-1 (NY)

Record details

NPI number1417069121
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 8, 2007

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