Winston Chang, M.D.
NPI 1669625828ActiveIndividual· Anesthesiology· Portland, OR
Anesthesiology (M.D.) in Portland, Oregon, trained at New York Medical College (class of 2006). Medicare paid $26,324 for services to 158 patients in 2024. Merck Sharp & Dohme LLC reported $14.89 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1669625828 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 30, 2008 |
| Last updated in NPPES | Oct 10, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | MD165571 | OR |
| Anesthesiology | 207L00000X | A112510 | CA |
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 - Anesthesiology (OR); Practitioner - Anesthesiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 171 across 45 procedure codes |
| Paid by Medicare | $26,324 |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Anesthesiology |
Medical group
- Oregon Anesthesiology Group PCVancouver, WA · 232 clinicians
Hospital affiliations
- Legacy Mount Hood Medical CenterGresham, OR
- Legacy Salmon Creek Medical CenterVancouver, WA
Industry payments (Open Payments)
- 2025$14.89 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $14.89 | 1 |
What the 2025 payments were for
- Food and Beverage$14.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 597 anesthesiologists in Portland · All anesthesiologists in Oregon