Edwin Yao-Yuan Chang, MD
NPI 1700908019ActiveIndividual· Surgery, Plastic and Reconstructive Surgery· Mount Vernon, WA
Surgery, Plastic and Reconstructive Surgery (MD) in Mount Vernon, Washington, trained at University of Michigan Medical School (class of 2002). 141 Medicare patients in 2024, $53,204 paid; all of their 143 Part D prescriptions were generic. Mentor Worldwide LLC was the largest of 2 companies reporting payments in 2025, $29.61 in all, mostly food and beverage.
Overview
| NPI | 1700908019 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | Jun 19, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Plastic and Reconstructive Surgery Primary | 2086S0122X | MD00049137 | WA |
| Plastic Surgery | 208200000X | MD00049137 | WA |
| Plastic Surgery, Plastic Surgery Within the Head and Neck | 2082S0099X | MD00049137 | WA |
| Plastic Surgery, Surgery of the Hand | 2082S0105X | MD00049137 | WA |
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 - Plastic and Reconstructive Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 141 |
|---|---|
| Services billed | 340 across 71 procedure codes |
| Paid by Medicare | $53,204 |
Part D prescriptions in 2024
| Prescriptions (claims) | 143 · 145 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $721.61 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Plastic And Reconstructive Surgery |
| Secondary specialties | Hand Surgery |
Medical group
- Public Hospital Dist No 1 SkagitMount Vernon, WA · 323 clinicians
Hospital affiliation
- Skagit Valley HospitalMount Vernon, WA
Industry payments (Open Payments)
- 2025$29.61 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mentor Worldwide LLC | $16.09 | 1 |
| Integra Lifesciences Corporation | $13.52 | 1 |
What the 2025 payments were for
- Food and Beverage$29.61 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records