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Anesthesiology

Leo Hsiao, DO

Works at hospitals in Vancouver, WA · Washington

Summary

Leo Hsiao, DO (Anesthesiology) is listed by Medicare at 1 hospital in Vancouver, WA. NPI 1164560207. 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 Leo Hsiao, 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
22Years since medical school (graduated 2004)
MaleGender (as listed)
Oregon Anesthesiology Group PCGroup practice

Quick answers

Which hospitals does Leo Hsiao work at?
Medicare's official clinician data lists Leo Hsiao at 1 hospital: Legacy Salmon Creek Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Leo Hsiao see patients?
Medicare's clinician data lists 1 practice location in Vancouver, WA. Call before your visit to confirm the address.
What is Leo Hsiao's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Leo Hsiao accept Medicare assignment?
Yes. Medicare's clinician data says Leo Hsiao 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 Leo Hsiao?
(360) 487-1000, as listed in official Medicare / NPI Registry data.
What is Leo Hsiao's NPI number?
1164560207. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Leo Hsiao works

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

Group practices

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

  • Oregon Anesthesiology Group PC232 clinicians in the group

Specialties

Find other Anesthesiology doctors in Washington →

Other anesthesiologists in Vancouver

Clinicians with the same Medicare primary specialty in Vancouver, WA — not a recommendation.

All anesthesiologists in Vancouver →

Clinician information

CredentialDO
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164560207
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