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Infectious Disease

Victor Y. Hsu, MD

Works at hospitals in Laguna Hills, CA · Orange, CA · California

Summary

Victor Y. Hsu, MD (Infectious Disease) is listed by Medicare at 2 hospitals in Laguna Hills, CA and Orange, CA. NPI 1609889484. 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 Victor Y. 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
Virginia Commonwealth University, School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Victor Y. Hsu work at?
Medicare's official clinician data lists Victor Y. Hsu at 2 hospitals: Memorialcare Saddleback Medical Center and Providence St. Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Victor Y. Hsu see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Victor Y. Hsu's specialty?
Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
Does Victor Y. Hsu accept Medicare assignment?
Yes. Medicare's clinician data says Victor Y. 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 Victor Y. Hsu?
(714) 289-7171, as listed in official Medicare / NPI Registry data.
What is Victor Y. Hsu's NPI number?
1609889484. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Victor Y. Hsu works

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

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

All infectious disease doctors in Orange →

Clinician information

CredentialMD
Medical schoolVirginia Commonwealth University, School Of Medicine
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609889484
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