Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Certified Registered Nurse Anesthetist (CRNA)

Margaret Vasquez, CNA

Sees patients in San Antonio, TX · Texas

Summary

Margaret Vasquez, CNA is a nurse anesthetist at 4502 Medical Dr, San Antonio, TX 78229. Phone: (210) 358-4000. Accepts Medicare assignment. In 2024, Margaret Vasquez had 39 Original Medicare patients and 41 services. NPI 1629216866. 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: 4502 Medical Dr, San Antonio, TX 78229 · Directions
  • Phone: (210) 358‑4000
  • Medicare: Accepts Medicare assignment
  • Group practice: University of Texas Health Science Center at San Antonio
  • School: graduated 2008
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret Vasquez, 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 Margaret Vasquez accept Medicare assignment?
Yes. Medicare's clinician data says Margaret Vasquez 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 Margaret Vasquez see?
In 2024, CMS data shows 39 Original Medicare patients and 41 services for Margaret Vasquez. This counts Original Medicare only and measures volume, not quality.
What is Margaret Vasquez's NPI number?
1629216866. 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 Margaret Vasquez, 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 patients39
Services billed to Medicare41
Different services or procedures16
Participating Medicare providerYes
Average age of these patients72

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 pressure74%
  • Arthritis54%
  • Ischemic heart disease33%
  • Diabetes28%

Practice locations

Addresses where Margaret Vasquez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Margaret Vasquez as a member of this group (CMS data updated October 2, 2026).

  • University of Texas Health Science Center at San Antonio1,297 clinicians in the group

Specialties

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

Other nurse anesthetists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All nurse anesthetists in San Antonio →

Other clinicians in University of Texas Health Science Center at San Antonio

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

Clinician information

CredentialCNA
Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629216866
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