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Nurse Practitioner

Jennifer E. Grimmer

Sees patients in Buffalo, NY · New York

Summary

Jennifer E. Grimmer (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Buffalo, NY. NPI 1821303140. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(716) 845‑2300 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer E. Grimmer, 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

1Practice location
Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
FemaleGender (as listed)
Roswell Park Cancer InstituteGroup practice

Quick answers

Where does Jennifer E. Grimmer see patients?
Medicare's clinician data lists 1 practice location in Buffalo, NY. Call before your visit to confirm the address.
What is Jennifer E. Grimmer's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Jennifer E. Grimmer accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer E. Grimmer 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.
What is the phone number for Jennifer E. Grimmer?
(716) 845-2300, as listed in official Medicare / NPI Registry data.
What is Jennifer E. Grimmer's NPI number?
1821303140. 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 Jennifer E. Grimmer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jennifer E. Grimmer as a member of this group (CMS data updated 2026-10-02).

  • Roswell Park Cancer Institute488 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 year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821303140
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