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Certified Registered Nurse Anesthetist (CRNA)

Sherilyn K. Medina, CNA

Sees patients in San Antonio, TX · Texas

Summary

Sherilyn K. Medina, CNA is a nurse anesthetist at 4411 Medical Dr, Suite 200, San Antonio, TX 78229. Phone: (210) 575-4584. Accepts Medicare assignment. In 2024, Sherilyn K. Medina had 86 Original Medicare patients and 88 services. NPI 1013178938. 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: 4411 Medical Dr, Suite 200, San Antonio, TX 78229 · Directions (1 more location)
  • Phone: (210) 575‑4584
  • Medicare: Accepts Medicare assignment
  • Group practice: Community Medicine Associates (+1 more)
  • School: graduated 2008
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sherilyn K. Medina, 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 Sherilyn K. Medina accept Medicare assignment?
Yes. Medicare's clinician data says Sherilyn K. Medina 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 Sherilyn K. Medina see?
In 2024, CMS data shows 86 Original Medicare patients and 88 services for Sherilyn K. Medina. This counts Original Medicare only and measures volume, not quality.
What is Sherilyn K. Medina's NPI number?
1013178938. 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 Sherilyn K. Medina, 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 patients86
Services billed to Medicare88
Different services or procedures21
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for nerve block and injection procedure, prone position (01992)26 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%
  • Diabetes36%
  • Ischemic heart disease35%
  • Depression29%

Practice locations

Addresses where Sherilyn K. Medina is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sherilyn K. Medina as a member of these groups (CMS data updated October 2, 2026).

  • Community Medicine Associates605 clinicians in the group
  • Orthomed Staffing LLC416 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 Community Medicine Associates

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)1013178938
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