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Clinical Social Worker

Katherine L. Mallais, CSW

Sees patients in Buffalo, NY · New York

Summary

Katherine L. Mallais, CSW is a clinical social worker at 1170 Main St, Fl 4, Buffalo, NY 14209. Phone: (716) 883-1914. Accepts Medicare assignment. NPI 1659530582. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical social worker
  • Address: 1170 Main St, Fl 4, Buffalo, NY 14209 · Directions (1 more location)
  • Phone: (716) 883‑1914
  • Medicare: Accepts Medicare assignment
  • Group practice: Jewish Family Services of Western New York
  • School: graduated 2006
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine L. Mallais, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Katherine L. Mallais accept Medicare assignment?
Yes. Medicare's clinician data says Katherine L. Mallais accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Katherine L. Mallais's NPI number?
1659530582. 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 Katherine L. Mallais is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine L. Mallais as a member of this group (CMS data updated October 2, 2026).

  • Jewish Family Services of Western New York4 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, New York →

Other clinical social workers in Buffalo

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

All clinical social workers in Buffalo →

Other clinicians in Jewish Family Services of Western New York

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCSW
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659530582
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 October 2, 2026, retrieved October 29, 2026
  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