Vinh Tonthat
NPI 1104245414ActiveIndividual· Emergency Medicine· Irvine, CA
Emergency Medicine with Emergency Physicians of Orange County, practicing in Irvine, California. 548 Medicare patients in 2024, $89,372 paid; nearly all of their 291 Part D prescriptions were generic (94%). Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1104245414 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2014 |
| Last updated in NPPES | Jan 13, 2023 |
| Certified by provider | Jan 13, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A161785 | 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 | 548 |
|---|---|
| Services billed | 868 across 23 procedure codes |
| Paid by Medicare | $89,372 |
Part D prescriptions in 2024
| Prescriptions (claims) | 291 · 294 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $7,645 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Physicians of Orange CountyNewport Beach, CA · 65 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, 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 19 emergency medicine physicians in Irvine · All emergency medicine physicians in California