Won Ho Chang, DPM
NPI 1073012720ActiveIndividual· Podiatrist, Foot & Ankle Surgery· Irvine, CA
Podiatrist, Foot & Ankle Surgery (DPM) in Irvine, California, trained at New York College of Podiatric Medicine (class of 2012). 57 Medicare patients in 2024, $29,839 paid; nearly all of their 764 Part D prescriptions were generic (98%). Treace Medical Concepts, Inc. was the largest of 3 companies reporting payments in 2025, $285.30 in all, mostly food and beverage.
Overview
| NPI | 1073012720 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DPM |
| Sole proprietor | Yes |
| NPI issued | Feb 8, 2018 |
| Last updated in NPPES | Dec 13, 2023 |
| Certified by provider | Dec 13, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Podiatrist, Foot & Ankle Surgery Primary | 213ES0103X | E5908 | CA |
| Podiatrist | 213E00000X | P84589 | NY |
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 - Podiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 57 |
|---|---|
| Services billed | 455 across 27 procedure codes |
| Paid by Medicare | $29,839 |
Part D prescriptions in 2024
| Prescriptions (claims) | 764 · 817 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $14,623 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | New York College of Podiatric Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Podiatry |
Industry payments (Open Payments)
- 2025$285.30 · 4 payments from 3 companies
- 2024$452.61 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Treace Medical Concepts, Inc. | $155.21 | 1 |
| Djo, LLC | $112.00 | 2 |
| Depuy Synthes Sales Inc. | $18.09 | 1 |
What the 2025 payments were for
- Food and Beverage$173.30 · 2 payments
- Education$112.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 Podiatrist, Foot & Ankle Surgery providers in Irvine · All Podiatrist, Foot & Ankle Surgery providers in California