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Certified Registered Nurse Anesthetist (CRNA)

Mary Halford Davis, CNA

Sees patients in Memphis, TN · Olive Branch, MS · Southaven, MS · Tennessee, Mississippi

Summary

Mary Halford Davis, CNA is a nurse anesthetist at 1265 Union Ave, Memphis, TN 38104. Phone: (901) 516-7000. Accepts Medicare assignment. In 2024, Mary Halford Davis had 312 Original Medicare patients and 326 services. NPI 1770040529. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 1265 Union Ave, Memphis, TN 38104 · Directions (3 more locations)
  • Phone: (901) 516‑7000
  • Medicare: Accepts Medicare assignment
  • Group practice: Medical Anesthesia Group, PA
  • School: graduated 2019
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Halford Davis, 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 Mary Halford Davis accept Medicare assignment?
Yes. Medicare's clinician data says Mary Halford Davis 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 Mary Halford Davis see?
In 2024, CMS data shows 312 Original Medicare patients and 326 services for Mary Halford Davis. This counts Original Medicare only and measures volume, not quality.
What is Mary Halford Davis's NPI number?
1770040529. 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 Mary Halford Davis, 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 patients312
Services billed to Medicare326
Different services or procedures37
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for lens surgery (00142)209 services
  2. Anesthesia for other procedure on urinary system through urethra (00910)18 services
  3. Anesthesia for procedure on eyelid (00103)14 services
  4. Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)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 blood pressure75%
  • High cholesterol75%
  • Arthritis47%
  • Diabetes32%
  • Ischemic heart disease26%
  • Anxiety20%

Practice locations

Addresses where Mary Halford Davis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary Halford Davis as a member of this group (CMS data updated October 2, 2026).

  • Medical Anesthesia Group, PA42 clinicians in the group

Specialties

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

Other nurse anesthetists in Memphis

Clinicians with the same Medicare primary specialty in Memphis, TN — not a recommendation.

All nurse anesthetists in Memphis →

Other clinicians in Medical Anesthesia Group, PA

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

Clinician information

CredentialCNA
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770040529
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians