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Hematology/Oncology

Viola W. Zhu

Works at hospitals in Worcester, MA · Massachusetts

Summary

Viola W. Zhu is a hematologist-oncologist at 55 Lake Ave N, Worcester, MA 01655. Phone: (508) 334-1000. Accepts Medicare assignment. NPI 1588814404. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Viola W. Zhu, 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 Viola W. Zhu accept Medicare assignment?
Yes. Medicare's clinician data says Viola W. Zhu 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 Viola W. Zhu's NPI number?
1588814404. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Viola W. Zhu works

Medicare's Facility Affiliation Data lists Viola W. Zhu at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Viola W. Zhu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Viola W. Zhu as a member of this group (CMS data updated October 2, 2026).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Massachusetts →

Other hematologist-oncologists in Worcester

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

All hematologist-oncologists in Worcester →

Other clinicians in UMass Memorial Medical Group Inc

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

Clinician information

Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588814404
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians