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Clinical Social Worker

Brenda E. Arzillo, CSW

Sees patients in Bellevue, WA · Washington

Summary

Brenda E. Arzillo, CSW (Clinical Social Worker) is enrolled with Medicare at 1 practice location in Bellevue, WA. NPI 1861544504. 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 Brenda E. Arzillo, 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

Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
FemaleGender (as listed)
Kaiser Foundation Health Plan of WashingtonGroup practice

Quick answers

Where does Brenda E. Arzillo see patients?
Medicare's clinician data lists 1 practice location in Bellevue, WA. Call before your visit to confirm the address.
What is Brenda E. Arzillo's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Brenda E. Arzillo accept Medicare assignment?
Yes. Medicare's clinician data says Brenda E. Arzillo 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 Brenda E. Arzillo?
(425) 562-1317, as listed in official Medicare / NPI Registry data.
What is Brenda E. Arzillo's NPI number?
1861544504. 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 Brenda E. Arzillo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Kaiser Foundation Health Plan of Washington1,526 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Washington →

Other clinical social workers in Bellevue

Clinicians with the same Medicare primary specialty in Bellevue, WA — not a recommendation.

All clinical social workers in Bellevue →

Clinician information

CredentialCSW
Graduation year1988
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861544504
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