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

Jillian Marie Janczyk, FNP-C

Individual provider Registered Nurse · NPI 1558257592

Jillian Marie Janczyk, FNP-C is a Registered Nurse in Buffalo, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2025
Specialties on file
2
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

3495 Bailey Ave
Buffalo, NY 14215-1129
Phone: (716) 834-9200
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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 357447 (NY)
Registered Nurse Taxonomy 163W00000X · Licence 780535 (NY)

Record details

NPI number1558257592
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorYes
NPI enumeratedJune 16, 2025
Last updated in NPPESJuly 30, 2025
Certification dateJuly 30, 2025

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