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Andrew Hsiao, M.D.

NPI 1457535940ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Whittier, CA

Orthopaedic Surgery, Sports Medicine (M.D.) in Whittier, California, trained at Un of California, Irvine, College of Medicine (class of 2003). 227 Medicare patients in 2024, $93,394 paid; nearly all of their 514 Part D prescriptions were generic (99%). Maxx Health Inc was the largest of 8 companies reporting payments in 2025, $20,962 in all, mostly consulting fees.

Overview

NPI1457535940
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedDec 20, 2007
Last updated in NPPESAug 16, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery, Sports Medicine Primary207XX0005XA104285CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Orthopedic Surgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients227
Services billed1,039 across 63 procedure codes
Paid by Medicare$93,394

Part D prescriptions in 2024

Prescriptions (claims)514 · 540 30-day fills
Patients211
Total drug cost$8,812
Generic share99% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUn of California, Irvine, College of Medicine
Graduation year2003
Medicare specialtyOrthopedic Surgery

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$20,962 · 47 payments from 8 companies
  • 2024$1,734 · 14 payments from 8 companies

Top paying companies in 2025

CompanyAmountPayments
Maxx Health Inc$16,5296
Smith+nephew, Inc.$2,59412
Arthrex, Inc.$1,11920
Vital Orthopedics LLC$231.504
Illuminoss Medical, Inc.$173.391

What the 2025 payments were for

  • Consulting Fee$10,700 · 1 payment
  • Travel and Lodging$7,377 · 4 payments
  • Food and Beverage$2,885 · 42 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records