Hsu-Hsiang Chang, D.O.
NPI 1932546603ActiveIndividual· Emergency Medicine· Pomona, CA
Emergency Medicine (D.O.) with Southern California Permanente Medical Group, practicing in Pomona, California. 347 Medicare patients in 2024, $55,664 paid; nearly all of their 726 Part D prescriptions were generic (94%). Stryker Corporation reported $20.77 in payments in 2025, mostly food and beverage. Lists Providence Mission Hospital as a hospital affiliation.
Overview
| NPI | 1932546603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jun 4, 2013 |
| Last updated in NPPES | Sep 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A15344 | CA |
| Emergency Medicine | 207P00000X | 5101020307 | MI |
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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 347 |
|---|---|
| Services billed | 532 across 22 procedure codes |
| Paid by Medicare | $55,664 |
Part D prescriptions in 2024
| Prescriptions (claims) | 726 · 748 30-day fills |
|---|---|
| Patients | 440 |
| Total drug cost | $18,872 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$20.77 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $20.77 | 1 |
What the 2025 payments were for
- Food and Beverage$20.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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