Jonathan Chang, M.D
NPI 1104824556ActiveIndividual· Orthopaedic Surgery· Alhambra, CA
Orthopaedic Surgery (M.D) in Alhambra, California, trained at Duke University School of Medicine (class of 1984). 664 Medicare patients in 2024, $163,765 paid; nearly all of their 1,004 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 8 companies reporting payments in 2025, $1,019 in all, mostly food and beverage.
Overview
| NPI | 1104824556 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 11, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G69039 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 664 |
|---|---|
| Services billed | 6,818 across 66 procedure codes |
| Paid by Medicare | $163,765 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,004 · 1,529 30-day fills |
|---|---|
| Patients | 422 |
| Total drug cost | $38,573 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Pacific Orthopaedic Medical Group IncAlhambra, CA · 12 clinicians
Hospital affiliation
- Garfield Medical CenterMonterey Park, CA
Industry payments (Open Payments)
- 2025$1,019 · 23 payments from 8 companies
- 2024$598.17 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $386.15 | 3 |
| Zimmer Biomet Holdings, Inc. | $141.30 | 1 |
| Glaxosmithkline, LLC. | $134.61 | 8 |
| Amgen Inc. | $124.61 | 1 |
| Vertex Pharmaceuticals Incorporated | $95.34 | 3 |
What the 2025 payments were for
- Food and Beverage$1,019 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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