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Nurse Practitioner

Sean Guinnane

Sees patients in Buffalo, NY · West Seneca, NY · New York

Summary

Sean Guinnane (Nurse Practitioner) is enrolled with Medicare at 2 practice locations in Buffalo, NY and West Seneca, NY. NPI 1346997137. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sean Guinnane, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
5Years since medical school (graduated 2021)
MaleGender (as listed)
Erie County South East Corp VGroup practice

Quick answers

Where does Sean Guinnane see patients?
Medicare's clinician data lists 2 practice locations, including Buffalo, NY and West Seneca, NY. Call before your visit to confirm the address.
What is Sean Guinnane's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Sean Guinnane accept Medicare assignment?
Yes. Medicare's clinician data says Sean Guinnane accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Sean Guinnane offer telehealth?
Medicare's clinician data says Sean Guinnane offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Sean Guinnane?
(716) 828-0560, as listed in official Medicare / NPI Registry data.
What is Sean Guinnane's NPI number?
1346997137. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sean Guinnane is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sean Guinnane as a member of this group (CMS data updated 2026-10-02).

  • Erie County South East Corp V24 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Buffalo

Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.

All nurse practitioners in Buffalo →

Clinician information

Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346997137
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians