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

Marissa J Krzyzan, FNP

Individual provider Nurse Practitioner · NPI 1205598521

Marissa J Krzyzan, FNP is a Nurse Practitioner in Buffalo, New York. Qualified in 2021, 5 years ago. Practices with General Physician PC, a 487-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
5
Licensed in
NY
In the registry since
2021
Specialties on file
2
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

2950 Elmwood Ave
Buffalo, NY 14217-1390
Phone: (716) 447-6100
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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 F347951-01 (NY)
Nurse Practitioner Taxonomy 363L00000X · Licence 347951 (NY)

Record details

NPI number1205598521
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 13, 2021
Last updated in NPPESMarch 6, 2025
Certification dateMarch 6, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice General Physician Pc — 487 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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