Silas Chun-Wing Chiu, M.D.
NPI 1023370525ActiveIndividual· Emergency Medicine· Fontana, CA
Emergency Medicine (M.D.) in Fontana, California, trained at Loma Linda University School of Medicine (class of 2012). 50 Medicare patients in 2024, $3,657 paid; nearly all of their 356 Part D prescriptions were generic (95%).
Overview
| NPI | 1023370525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2012 |
| Last updated in NPPES | Dec 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A127295 | 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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 51 across 6 procedure codes |
| Paid by Medicare | $3,657 |
Part D prescriptions in 2024
| Prescriptions (claims) | 356 · 365 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $4,979 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Emergency Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital Fontana/OntarioFontana, CA
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 56 emergency medicine physicians in Fontana · All emergency medicine physicians in California