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

Certified Registered Nurse Anesthetist (CRNA)

Marissa R. Carpinteyro, CNA

Works at hospitals in Round Rock, TX · Texas

Summary

Marissa R. Carpinteyro, CNA is a nurse anesthetist at 100 Medical Pkwy, Lakeway, TX 78738. Phone: (512) 571-5000. Accepts Medicare assignment. In 2024, Marissa R. Carpinteyro had 89 Original Medicare patients and 91 services. NPI 1922523513. 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 Marissa R. Carpinteyro, 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 Marissa R. Carpinteyro accept Medicare assignment?
Yes. Medicare's clinician data says Marissa R. Carpinteyro 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 Marissa R. Carpinteyro see?
In 2024, CMS data shows 89 Original Medicare patients and 91 services for Marissa R. Carpinteyro. This counts Original Medicare only and measures volume, not quality.
What is Marissa R. Carpinteyro's NPI number?
1922523513. 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 Marissa R. Carpinteyro, 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 patients89
Services billed to Medicare91
Different services or procedures42
Participating Medicare providerYes
Average age of these patients74

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 pressure69%
  • Arthritis47%
  • Ischemic heart disease30%
  • Depression29%
  • Diabetes26%

Hospitals where Marissa R. Carpinteyro works

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

Group practices

Medicare enrollment lists Marissa R. Carpinteyro as a member of this group (CMS data updated October 2, 2026).

  • Healthtexas Provider Network2,697 clinicians in the group

Specialties

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

Other nurse anesthetists in Lakeway

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

All nurse anesthetists in Lakeway →

Other clinicians in Healthtexas Provider Network

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

Clinician information

CredentialCNA
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922523513
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