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

Mrs. Mariann Graczyk, FNP

Individual provider Family Nurse Practitioner · NPI 1801043617

Mrs. Mariann Graczyk, FNP is a Family Nurse Practitioner in Olean, New York. Licensed in New York. Registered with an NPI since 2008.

Licensed in
NY
In the registry since
2008
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

1 Leo Moss Dr Ste 4010
Olean, NY 14760-1100
Phone: (716) 373-8050
Fax: (716) 701-3737
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 F331428-1 (NY)

Record details

NPI number1801043617
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedAugust 22, 2008
Last updated in NPPESAugust 22, 2008

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