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
| NPI | 1457363798 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G56184 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 811 |
|---|---|
| Services billed | 2,275 across 121 procedure codes |
| Paid by Medicare | $248,262 |
Part D prescriptions in 2024
| Prescriptions (claims) | 368 · 425 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $11,595 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical CenterWest Hollywood, CA · 799 clinicians
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Providence Mission HospitalMission Viejo, CA
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
| Company | Amount | Payments |
|---|---|---|
| Extremity Medical | $38,085 | 10 |
| Ortho Solutions Inc | $28,564 | 2 |
| Trilliant Surgical LLC. | $11,326 | 6 |
| Orthofix Medical, Inc. | $969.45 | 5 |
| Paragon 28, Inc. | $304.66 | 2 |
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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