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Nurse Practitioner

Brazil Ann C. Ymballa, NP

Works at hospitals in Houston, TX · Texas

Summary

Brazil Ann C. Ymballa, NP is a nurse practitioner at 16655 Southwest Fwy, Sugar Land, TX 77479. Phone: (281) 206-9020. Accepts Medicare assignment. NPI 1427903061. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 16655 Southwest Fwy, Sugar Land, TX 77479 · Directions (1 more location)
  • Phone: (281) 206‑9020
  • Medicare: Accepts Medicare assignment
  • Hospital: Houston Methodist Hospital
  • Group practice: Houston Radiology Associated
  • School: University Of Texas Medical Branch At Galveston · graduated 2025
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Brazil Ann C. Ymballa, 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 Brazil Ann C. Ymballa accept Medicare assignment?
Yes. Medicare's clinician data says Brazil Ann C. Ymballa 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 Brazil Ann C. Ymballa's NPI number?
1427903061. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brazil Ann C. Ymballa works

Medicare's Facility Affiliation Data lists Brazil Ann C. Ymballa 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 Brazil Ann C. Ymballa is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brazil Ann C. Ymballa as a member of this group (CMS data updated October 2, 2026).

  • Houston Radiology Associated108 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Texas →

Other nurse practitioners in Sugar Land

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

All nurse practitioners in Sugar Land →

Other clinicians in Houston Radiology Associated

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

Clinician information

CredentialNP
SchoolUniversity Of Texas Medical Branch At Galveston
Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427903061
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. 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