William Chiang, M.D.
NPI 1417336165ActiveIndividual· Emergency Medicine· Fresno, CA
Emergency Medicine (M.D.) in Fresno, California, trained at State University of New York Downstate Medical Center (class of 2015). In 2024 Medicare paid $22,263 for 139 patients, and Part D covered 62 of their prescriptions, 87% of them generic.
Overview
| NPI | 1417336165 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 28, 2015 |
| Last updated in NPPES | Jan 27, 2021 |
| Certified by provider | Jan 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A162279 | 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 - Emergency Medicine (TX); Practitioner - Emergency Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 139 |
|---|---|
| Services billed | 245 across 24 procedure codes |
| Paid by Medicare | $22,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 62 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $1,505 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Emergency Medicine |
Medical group
- Seattle Emergency Physicians Services Inc PsSeattle, WA · 41 clinicians
Hospital affiliations
- Swedish Medical CenterSeattle, WA
- Swedish Medical Center / Cherry HillSeattle, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 239 emergency medicine physicians in Fresno · All emergency medicine physicians in California