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Nurse Practitioner

Anne Marie Castillo, NP

Sees patients in Austin, TX · Texas

Summary

Anne Marie Castillo, NP is a nurse practitioner at 2021 Guadalupe St, Suite 260, Austin, TX 78705. Phone: (862) 235-4743. Accepts Medicare assignment. NPI 1184223562. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 2021 Guadalupe St, Suite 260, Austin, TX 78705 · Directions
  • Phone: (862) 235‑4743
  • Medicare: Accepts Medicare assignment
  • Group practice: Sleep Reset Medical Group PA
  • School: graduated 2020
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Anne Marie Castillo, 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 Anne Marie Castillo accept Medicare assignment?
Yes. Medicare's clinician data says Anne Marie Castillo 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.
What is Anne Marie Castillo's NPI number?
1184223562. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Anne Marie Castillo is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anne Marie Castillo as a member of this group (CMS data updated October 2, 2026).

  • Sleep Reset Medical Group PA9 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Texas →

Other nurse practitioners in Austin

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

All nurse practitioners in Austin →

Other clinicians in Sleep Reset Medical Group PA

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

Clinician information

CredentialNP
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1184223562
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians