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Certified Registered Nurse Anesthetist (CRNA)

Maryann Zervakis Brent, CNA

Works at hospitals in Chicago, IL · Illinois

Summary

Maryann Zervakis Brent, CNA is a nurse anesthetist at 1740 W Taylor St, Chicago, IL 60612. Accepts Medicare assignment. In 2024, Maryann Zervakis Brent had 15 Original Medicare patients and 15 services. NPI 1215019666. 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.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 1740 W Taylor St, Chicago, IL 60612 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Illinois Hospital and Clinics
  • Group practice: The Board of Trustees of the University of Illinois
  • School: graduated 2005
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maryann Zervakis Brent, 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 Maryann Zervakis Brent accept Medicare assignment?
Yes. Medicare's clinician data says Maryann Zervakis Brent 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 Maryann Zervakis Brent see?
In 2024, CMS data shows 15 Original Medicare patients and 15 services for Maryann Zervakis Brent. This counts Original Medicare only and measures volume, not quality.
What is Maryann Zervakis Brent's NPI number?
1215019666. 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 Maryann Zervakis Brent, 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 patients15
Services billed to Medicare15
Different services or procedures11
Participating Medicare providerYes
Average age of these patients60

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 pressure75%
  • High cholesterol75%
  • Chronic kidney disease73%

Hospitals where Maryann Zervakis Brent works

Medicare's Facility Affiliation Data lists Maryann Zervakis Brent 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 Maryann Zervakis Brent is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maryann Zervakis Brent as a member of this group (CMS data updated October 2, 2026).

  • The Board of Trustees of the University of Illinois1,150 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →

Other nurse anesthetists in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All nurse anesthetists in Chicago →

Other clinicians in The Board of Trustees of the University of Illinois

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

Clinician information

CredentialCNA
Graduation year2005
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215019666
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