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Certified Registered Nurse Anesthetist (CRNA)

Jasmin R. Guillen, CNA

Works at hospitals in San Marcos, TX · San Antonio, TX · Texas

Summary

Jasmin R. Guillen, CNA is a nurse anesthetist at 1301 Wonder World Dr, CHRISTUS Santa Rosa San Marcos, San Marcos, TX 78666. Phone: (512) 753-3525. Accepts Medicare assignment. In 2024, Jasmin R. Guillen had 200 Original Medicare patients and 229 services. NPI 1164075966. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Jasmin R. Guillen, 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 Jasmin R. Guillen accept Medicare assignment?
Yes. Medicare's clinician data says Jasmin R. Guillen 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 Jasmin R. Guillen see?
In 2024, CMS data shows 200 Original Medicare patients and 229 services for Jasmin R. Guillen. This counts Original Medicare only and measures volume, not quality.
What is Jasmin R. Guillen's NPI number?
1164075966. 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 Jasmin R. Guillen, 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 patients200
Services billed to Medicare229
Different services or procedures31
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)33 services
  2. Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of neck or upper back accessed through skin using imaging guidance (01937)22 services
  3. Anesthesia for exam of colon using an endoscope (00812)20 services
  4. Anesthesia for procedure on small and large bowel using an endoscope (00813)20 services
  5. Anesthesia for nerve block and injection procedure, prone position (01992)20 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%
  • Arthritis70%
  • Anxiety35%
  • Diabetes30%
  • Ischemic heart disease27%

Hospitals where Jasmin R. Guillen works

Medicare's Facility Affiliation Data lists Jasmin R. Guillen 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 Jasmin R. Guillen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jasmin R. Guillen as a member of these groups (CMS data updated October 2, 2026).

  • Emergenchealth PLLC1,056 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 Marcos

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

All nurse anesthetists in San Marcos →

Other clinicians in Emergenchealth PLLC

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)1164075966
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