David Chang, M.D.
NPI 1467575472ActiveIndividual· Orthopaedic Surgery, Orthopaedic Surgery of the Spine· Marina Del Rey, CA
Orthopaedic Surgery, Orthopaedic Surgery of the Spine (M.D.) in Marina Del Rey, California, trained at New York University School of Medicine (class of 2001). 261 Medicare patients in 2024, $84,144 paid; nearly all of their 159 Part D prescriptions were generic (99%). Osseus Fusion Systems, LLC was the largest of 2 companies reporting payments in 2025, $16,266 in all, mostly royalties and licenses.
Overview
| NPI | 1467575472 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | Jun 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Orthopaedic Surgery of the Spine Primary | 207XS0117X | A93427 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 261 |
|---|---|
| Services billed | 560 across 30 procedure codes |
| Paid by Medicare | $84,144 |
Part D prescriptions in 2024
| Prescriptions (claims) | 159 · 163 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $2,913 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Orthopedic Surgery |
Hospital affiliations
- Cedar-Sinai Marina del Rey HospitalMarina Del Rey, CA
- Cedars-Sinai Medical CenterLos Angeles, CA
- Torrance Memorial Medical CenterTorrance, CA
Industry payments (Open Payments)
- 2025$16,266 · 6 payments from 2 companies
- 2024$15,298 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Osseus Fusion Systems, LLC | $16,245 | 5 |
| Globus Medical, Inc. | $21.11 | 1 |
What the 2025 payments were for
- Royalty or License$16,245 · 5 payments
- Food and Beverage$21.11 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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