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Pathology

Andy C. Hsi, MD

Sees patients in Placentia, CA · San Jose, CA · Newport Beach, CA … · California, Texas

Summary

Andy C. Hsi, MD (Pathology) is enrolled with Medicare at 4 practice locations in Placentia, CA, San Jose, CA and Newport Beach, CA and other places. NPI 1366832032. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Andy C. Hsi, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
Baylor College Of MedicineMedical school
MaleGender (as listed)
J Robert West MD IncGroup practice (+2 more)

Quick answers

Where does Andy C. Hsi see patients?
Medicare's clinician data lists 4 practice locations, including Placentia, CA, San Jose, CA and Newport Beach, CA. Call before your visit to confirm the address.
What is Andy C. Hsi's specialty?
Medicare lists Pathology as the primary specialty.
Does Andy C. Hsi accept Medicare assignment?
Yes. Medicare's clinician data says Andy C. Hsi 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 Andy C. Hsi?
(714) 924-7240, as listed in official Medicare / NPI Registry data.
What is Andy C. Hsi's NPI number?
1366832032. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Andy C. Hsi is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Andy C. Hsi as a member of these groups (CMS data updated 2026-10-02).

  • J Robert West MD Inc138 clinicians in the group
  • Csi Medical Group111 clinicians in the group
  • PDP of Texas, PLLC59 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in California

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

All pathologists in California →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366832032
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians