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Otolaryngology

Anna P. Hsu, MD

Works at hospitals in Los Angeles, CA · California

Summary

Anna P. Hsu, MD (Otolaryngology) is listed by Medicare at 1 hospital in Los Angeles, CA. NPI 1902023625. 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 Anna P. 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

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
University Of California, Geffen School Of MedicineMedical school
FemaleGender (as listed)
Martin L. Hopp, MD PHD, a Medical CorpGroup practice

Quick answers

Which hospitals does Anna P. Hsu work at?
Medicare's official clinician data lists Anna P. Hsu at 1 hospital: Cedars-Sinai Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Anna P. Hsu see patients?
Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
What is Anna P. Hsu's specialty?
Medicare lists Otolaryngology as the primary specialty, and also Plastic and Reconstructive Surgery.
Does Anna P. Hsu accept Medicare assignment?
Yes. Medicare's clinician data says Anna P. 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 Anna P. Hsu?
(310) 657-7704, as listed in official Medicare / NPI Registry data.
What is Anna P. Hsu's NPI number?
1902023625. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Anna P. Hsu works

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

Group practices

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

  • Martin L. Hopp, MD PHD, a Medical Corp4 clinicians in the group

Specialties

Find other Otolaryngology doctors in California →

Other ENT doctors in Los Angeles

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

All ENT doctors in Los Angeles →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902023625
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