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Certified Registered Nurse Anesthetist (CRNA)

Lauren A. Llewellyn, CNA

Works at hospitals in Houston, TX · Texas

Summary

Lauren A. Llewellyn, CNA is a nurse anesthetist at 100 Medical Dr, Lake Jackson, TX 77566. Phone: (713) 496-7555. Accepts Medicare assignment. In 2024, Lauren A. Llewellyn had 105 Original Medicare patients and 106 services. NPI 1316616899. 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: 100 Medical Dr, Lake Jackson, TX 77566 · Directions (2 more locations)
  • Phone: (713) 496‑7555
  • Medicare: Accepts Medicare assignment
  • Hospital: Texas Orthopedic Hospital
  • Group practice: U S Anesthesia Partners of Texas, PA
  • School: graduated 2021
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lauren A. Llewellyn, 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 Lauren A. Llewellyn accept Medicare assignment?
Yes. Medicare's clinician data says Lauren A. Llewellyn 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 Lauren A. Llewellyn see?
In 2024, CMS data shows 105 Original Medicare patients and 106 services for Lauren A. Llewellyn. This counts Original Medicare only and measures volume, not quality.
What is Lauren A. Llewellyn's NPI number?
1316616899. 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 Lauren A. Llewellyn, 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 patients105
Services billed to Medicare106
Different services or procedures23
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for open or endoscopic total shoulder joint replacement (01638)20 services
  2. Anesthesia for procedure for total knee joint replacement (01402)19 services
  3. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)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%
  • Arthritis75%
  • Ischemic heart disease40%
  • Diabetes28%
  • Anxiety26%

Hospitals where Lauren A. Llewellyn works

Medicare's Facility Affiliation Data lists Lauren A. Llewellyn at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lauren A. Llewellyn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lauren A. Llewellyn as a member of this group (CMS data updated October 2, 2026).

  • U S Anesthesia Partners of Texas, PA2,752 clinicians in the group

Specialties

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

Other nurse anesthetists in Lake Jackson

Clinicians with the same Medicare primary specialty in Lake Jackson, TX — not a recommendation.

All nurse anesthetists in Lake Jackson →

Other clinicians in U S Anesthesia Partners of Texas, PA

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

Clinician information

CredentialCNA
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316616899
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  3. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians