Provider Profile
Marissa J. Krzyzan, FNP
Unclaimed ProfileAbout Marissa Krzyzan
Marissa J. Krzyzan, FNP is a nurse practitioner based in Buffalo, NY. Marissa is also listed as specializing in nurse practitioner — family. Medicare claims data shows Marissa provided 74 services to 73 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (716) 447-6100
- Email not available
Practice Locations
2950 ELMWOOD AVE
Buffalo, NY 14217
Procedures Most Often Billed to Medicare
74 services · 73 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
39 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
18 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Buffalo 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Marissa J. Krzyzan?
Marissa J. Krzyzan is a nurse practitioner in Buffalo, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marissa J. Krzyzan's address?
Marissa J. Krzyzan is listed at 2950 Elmwood Ave, Buffalo, NY 14217. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marissa J. Krzyzan?
The number on file is (716) 447-6100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Marissa J. Krzyzan?
Marissa J. Krzyzan's National Provider Identifier is 1205598521. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marissa J. Krzyzan train?
Marissa J. Krzyzan attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marissa J. Krzyzan have?
Marissa J. Krzyzan has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marissa J. Krzyzan perform?
According to Medicare billing data, Marissa J. Krzyzan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marissa J. Krzyzan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa J. Krzyzan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.