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Anesthesiology Assistant

Richard S. Hsu, AA

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

Summary

Richard S. Hsu, AA (Anesthesiology Assistant) is listed by Medicare at 4 hospitals in Austin, TX and Round Rock, TX. NPI 1437619772. 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 Richard S. Hsu, 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

Anesthesiology AssistantPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
MaleGender (as listed)
Austin Anesthesiology Group PLLCGroup practice

Quick answers

Which hospitals does Richard S. Hsu work at?
Medicare's official clinician data lists Richard S. Hsu 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 Richard S. Hsu see patients?
Medicare's clinician data lists 1 practice location in San Marcos, TX. Call before your visit to confirm the address.
What is Richard S. Hsu's specialty?
Medicare lists Anesthesiology Assistant as the primary specialty.
Does Richard S. Hsu accept Medicare assignment?
Yes. Medicare's clinician data says Richard S. Hsu 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 Richard S. Hsu?
(512) 754-7999, as listed in official Medicare / NPI Registry data.
What is Richard S. Hsu's NPI number?
1437619772. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Richard S. Hsu works

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

Group practices

Medicare enrollment lists Richard S. Hsu as a member of this group (CMS data updated 2026-10-02).

  • Austin Anesthesiology Group PLLC428 clinicians in the group

Specialties

Find other clinicians: Anesthesiology Assistant, Texas →

Other anesthesiologist assistants in Texas

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

All anesthesiologist assistants in Texas →

Clinician information

CredentialAA
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437619772
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