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Certified Registered Nurse Anesthetist (CRNA)

Michael A. Woyak, CNA

Works at hospitals in Stevens Point, WI · Wisconsin

Summary

Michael A. Woyak, CNA is a nurse anesthetist at 900 Illinois Ave, Stevens Point, WI 54481. Phone: (715) 346-5000. Accepts Medicare assignment. In 2024, Michael A. Woyak had 84 Original Medicare patients and 86 services. NPI 1770778383. 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: 900 Illinois Ave, Stevens Point, WI 54481 · Directions
  • Phone: (715) 346‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Aspirus Stevens Point Hospital & Clinics, Inc.
  • Group practice: Aspirus Stevens Point Hospital and Clinics, Inc.
  • School: graduated 2007
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael A. Woyak, 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 Michael A. Woyak accept Medicare assignment?
Yes. Medicare's clinician data says Michael A. Woyak 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 Michael A. Woyak see?
In 2024, CMS data shows 84 Original Medicare patients and 86 services for Michael A. Woyak. This counts Original Medicare only and measures volume, not quality.
What is Michael A. Woyak's NPI number?
1770778383. 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 Michael A. Woyak, 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 patients84
Services billed to Medicare86
Different services or procedures28
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)13 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 cholesterol75%
  • High blood pressure73%
  • Arthritis45%
  • Chronic kidney disease26%
  • Diabetes25%
  • Ischemic heart disease25%

Hospitals where Michael A. Woyak works

Medicare's Facility Affiliation Data lists Michael A. Woyak 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 Michael A. Woyak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael A. Woyak as a member of this group (CMS data updated October 2, 2026).

  • Aspirus Stevens Point Hospital and Clinics, Inc.134 clinicians in the group

Specialties

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

Other nurse anesthetists in Stevens Point

Clinicians with the same Medicare primary specialty in Stevens Point, WI — not a recommendation.

All nurse anesthetists in Stevens Point →

Other clinicians in Aspirus Stevens Point Hospital and Clinics, Inc.

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

Clinician information

CredentialCNA
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770778383
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