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Internal Medicine

Hanzy Bustamante, MD

Works at hospitals in Austin, TX · Smithville, TX · San Antonio, TX … · Texas

Summary

Hanzy Bustamante, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Austin, TX, Smithville, TX and San Antonio, TX and other places. NPI 1508828641. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Hanzy Bustamante, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
MaleGender (as listed)
Usacs Integrated Acute Care Services of Texas, PLLCGroup practice (+2 more)

Quick answers

Which hospitals does Hanzy Bustamante work at?
Medicare's official clinician data lists Hanzy Bustamante at 4 hospitals: Ascension Seton Medical Center Austin, Ascension Seton Smithville, Baptist Medical Center and CHRISTUS Spohn Hospital Corpus Christi. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hanzy Bustamante see patients?
Medicare's clinician data lists 24 practice locations, including Smithville, TX, Austin, TX and Lampasas, TX. Call before your visit to confirm the address.
What is Hanzy Bustamante's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Hanzy Bustamante accept Medicare assignment?
Yes. Medicare's clinician data says Hanzy Bustamante accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Hanzy Bustamante?
(512) 360-3698, as listed in official Medicare / NPI Registry data.
What is Hanzy Bustamante's NPI number?
1508828641. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hanzy Bustamante works

Medicare's Facility Affiliation Data lists Hanzy Bustamante at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Hanzy Bustamante is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 24; the Medicare profile lists all.

Group practices

Medicare enrollment lists Hanzy Bustamante as a member of these groups (CMS data updated 2026-10-02).

  • Usacs Integrated Acute Care Services of Texas, PLLC387 clinicians in the group
  • Gulf Coast Physician Services, PLLC110 clinicians in the group
  • Ascension Seton55 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All internal medicine doctors in Texas →

Clinician information

CredentialMD
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508828641
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians