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Anesthesiology

William Buchholz, MD

Works at hospitals in Austin, TX · Round Rock, TX · Texas

Summary

William Buchholz, MD (Anesthesiology) is listed by Medicare at 4 hospitals in Austin, TX and Round Rock, TX. NPI 1356300107. 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 William Buchholz, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
University Of Texas Medical School At San AntonioMedical school
MaleGender (as listed)
Austin Anesthesiology Group PLLCGroup practice

Quick answers

Which hospitals does William Buchholz work at?
Medicare's official clinician data lists William Buchholz at 4 hospitals: North Austin Medical Center, Round Rock Medical Center, St David's Medical Center and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William Buchholz see patients?
Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
What is William Buchholz's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does William Buchholz accept Medicare assignment?
Yes. Medicare's clinician data says William Buchholz 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 William Buchholz?
(210) 736-6700, as listed in official Medicare / NPI Registry data.
What is William Buchholz's NPI number?
1356300107. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William Buchholz works

Medicare's Facility Affiliation Data lists William Buchholz 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 William Buchholz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William Buchholz as a member of this group (CMS data updated 2026-10-02).

  • Austin Anesthesiology Group PLLC428 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in San Antonio

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

All anesthesiologists in San Antonio →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356300107
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