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Physician Assistant

Casey A. Erelli, PA

Sees patients in Westfield, MA · Wilbraham, MA · Massachusetts

Summary

Casey A. Erelli, PA (Physician Assistant) is enrolled with Medicare at 2 practice locations in Westfield, MA and Wilbraham, MA. NPI 1700409893. 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 Casey A. Erelli, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
FemaleGender (as listed)
Allergy and Immunology Associates of New England LLCGroup practice (+1 more)

Quick answers

Where does Casey A. Erelli see patients?
Medicare's clinician data lists 2 practice locations, including Westfield, MA and Wilbraham, MA. Call before your visit to confirm the address.
What is Casey A. Erelli's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Casey A. Erelli accept Medicare assignment?
Yes. Medicare's clinician data says Casey A. Erelli 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 Casey A. Erelli?
(413) 628-5187, as listed in official Medicare / NPI Registry data.
What is Casey A. Erelli's NPI number?
1700409893. 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 Casey A. Erelli is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Casey A. Erelli as a member of these groups (CMS data updated 2026-10-02).

  • Allergy and Immunology Associates of New England LLC10 clinicians in the group
  • Pioneer Valley Allergy, LLC3 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Westfield

Clinicians with the same Medicare primary specialty in Westfield, MA — not a recommendation.

All physician assistants in Westfield →

Clinician information

CredentialPA
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700409893
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