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Certified Registered Nurse Anesthetist (CRNA)

Sara M. Heffernan, CNA

Works at hospitals in La Crosse, WI · Wisconsin

Summary

Sara M. Heffernan, CNA is a nurse anesthetist at 1836 S Ave, La Crosse, WI 54601. Phone: (608) 783-7300. Accepts Medicare assignment. In 2024, Sara M. Heffernan had 73 Original Medicare patients and 76 services. NPI 1467457903. 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: 1836 S Ave, La Crosse, WI 54601 · Directions
  • Phone: (608) 783‑7300
  • Medicare: Accepts Medicare assignment
  • Hospital: Gundersen Lutheran Medical Center
  • Group practice: Gundersen Lutheran Medical Center Inc
  • School: graduated 1993
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sara M. Heffernan, 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 Sara M. Heffernan accept Medicare assignment?
Yes. Medicare's clinician data says Sara M. Heffernan 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 Sara M. Heffernan see?
In 2024, CMS data shows 73 Original Medicare patients and 76 services for Sara M. Heffernan. This counts Original Medicare only and measures volume, not quality.
What is Sara M. Heffernan's NPI number?
1467457903. 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 Sara M. Heffernan, 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 patients73
Services billed to Medicare76
Different services or procedures31
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for lens surgery (00142)15 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 pressure75%
  • High cholesterol73%
  • Chronic kidney disease40%
  • Arthritis38%
  • Diabetes33%
  • Atrial fibrillation32%

Hospitals where Sara M. Heffernan works

Medicare's Facility Affiliation Data lists Sara M. Heffernan 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 Sara M. Heffernan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sara M. Heffernan as a member of this group (CMS data updated October 2, 2026).

  • Gundersen Lutheran Medical Center Inc895 clinicians in the group

Specialties

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

Other nurse anesthetists in La Crosse

Clinicians with the same Medicare primary specialty in La Crosse, WI — not a recommendation.

All nurse anesthetists in La Crosse →

Other clinicians in Gundersen Lutheran Medical Center Inc

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

Clinician information

CredentialCNA
Graduation year1993
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467457903
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