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Hematology/Oncology

Maria C. Ghiuzeli, MD

Works at hospitals in Tacoma, WA · Seattle, WA · Washington

Summary

Dr. Maria C. Ghiuzeli, MD is a hematologist-oncologist at 825 Eastlake Ave E, Seattle, WA 98109. Phone: (206) 288-1000. Accepts Medicare assignment. In 2024, Maria C. Ghiuzeli had 130 Original Medicare patients and 863 services. NPI 1619186582. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Maria C. Ghiuzeli, 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 Maria C. Ghiuzeli accept Medicare assignment?
Yes. Medicare's clinician data says Maria C. Ghiuzeli 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.
How many Medicare patients does Maria C. Ghiuzeli see?
In 2024, CMS data shows 130 Original Medicare patients and 863 services for Maria C. Ghiuzeli. This counts Original Medicare only and measures volume, not quality.
What is Maria C. Ghiuzeli's NPI number?
1619186582. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Maria C. Ghiuzeli, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients130
Services billed to Medicare863
Different services or procedures12
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)329 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)231 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)81 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)64 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)55 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure66%
  • High cholesterol62%
  • Arthritis34%
  • Ischemic heart disease29%
  • Atrial fibrillation28%
  • Heart failure26%

Hospitals where Maria C. Ghiuzeli works

Medicare's Facility Affiliation Data lists Maria C. Ghiuzeli 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 Maria C. Ghiuzeli is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maria C. Ghiuzeli as a member of this group (CMS data updated October 2, 2026).

  • The Association of University Physicians3,535 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Washington →

Other hematologist-oncologists in Seattle

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

All hematologist-oncologists in Seattle →

Other clinicians in The Association of University Physicians

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

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1619186582
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians