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Certified Registered Nurse Anesthetist (CRNA)

Mackenzie P. Ennis, CNA

Works at hospitals in Roanoke, VA · Virginia

Summary

Mackenzie P. Ennis, CNA is a nurse anesthetist at 1906 Belleview Ave SE, Roanoke, VA 24014. Phone: (540) 853-0222. Accepts Medicare assignment. In 2024, Mackenzie P. Ennis had 108 Original Medicare patients and 109 services. NPI 1144005729. 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: 1906 Belleview Ave SE, Roanoke, VA 24014 · Directions
  • Phone: (540) 853‑0222
  • Medicare: Accepts Medicare assignment
  • Hospital: Carilion Medical Center
  • Group practice: Carilion Professional Services LLC
  • School: graduated 2023
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mackenzie P. Ennis, 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 Mackenzie P. Ennis accept Medicare assignment?
Yes. Medicare's clinician data says Mackenzie P. Ennis 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 Mackenzie P. Ennis see?
In 2024, CMS data shows 108 Original Medicare patients and 109 services for Mackenzie P. Ennis. This counts Original Medicare only and measures volume, not quality.
What is Mackenzie P. Ennis's NPI number?
1144005729. 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 Mackenzie P. Ennis, 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 patients108
Services billed to Medicare109
Different services or procedures22
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Anesthesia for x-ray or radiation therapy (01922)28 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)25 services
  3. Anesthesia for procedure to correct abnormal heart rhythm (00410)12 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 cholesterol75%
  • Arthritis64%
  • Atrial fibrillation48%
  • Chronic kidney disease44%
  • Heart failure44%

Hospitals where Mackenzie P. Ennis works

Medicare's Facility Affiliation Data lists Mackenzie P. Ennis 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.

  • Carilion Medical CenterRoanoke, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490024

Practice locations

Addresses where Mackenzie P. Ennis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mackenzie P. Ennis as a member of this group (CMS data updated October 2, 2026).

  • Carilion Professional Services LLC85 clinicians in the group

Specialties

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

Other nurse anesthetists in Roanoke

Clinicians with the same Medicare primary specialty in Roanoke, VA — not a recommendation.

All nurse anesthetists in Roanoke →

Other clinicians in Carilion Professional Services LLC

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

Clinician information

CredentialCNA
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144005729
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