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David B. Thordarson, M.D.

NPI 1457363798ActiveIndividual· Orthopaedic Surgery· Los Angeles, CA

Orthopaedic Surgery (M.D.) in Los Angeles, California, trained at University of California, Geffen School of Medicine (class of 1984). 811 Medicare patients in 2024, $248,262 paid; nearly all of their 368 Part D prescriptions were generic (97%). Extremity Medical was the largest of 7 companies reporting payments in 2025, $79,640 in all, mostly royalties and licenses.

Overview

NPI1457363798
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 13, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery Primary207X00000XG56184CA

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 patients811
Services billed2,275 across 121 procedure codes
Paid by Medicare$248,262

Part D prescriptions in 2024

Prescriptions (claims)368 · 425 30-day fills
Patients122
Total drug cost$11,595
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, Geffen School of Medicine
Graduation year1984
Medicare specialtyOrthopedic Surgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$79,640 · 29 payments from 7 companies
  • 2024$35,455 · 31 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Royalty or License$50,115 · 5 payments
  • Consulting Fee$27,163 · 10 payments
  • Travel and Lodging$1,396 · 2 payments
  • Food and Beverage$966.68 · 12 payments

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

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