Annie Au, DO
NPI 1841750544ActiveIndividual· Emergency Medicine· Las Vegas, NV
Emergency Medicine (DO) in Las Vegas, Nevada, trained at Touro Un Col of Osteopathic Medicine, Henderson (class of 2019). 180 Medicare patients in 2024, $20,319 paid; nearly all of their 204 Part D prescriptions were generic (91%).
Overview
| NPI | 1841750544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 20, 2019 |
| Last updated in NPPES | Feb 19, 2023 |
| Certified by provider | Feb 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | DO3203 | NV |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 180 |
|---|---|
| Services billed | 253 across 14 procedure codes |
| Paid by Medicare | $20,319 |
Part D prescriptions in 2024
| Prescriptions (claims) | 204 · 207 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $3,836 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Touro Un Col of Osteopathic Medicine, Henderson |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Fremont Emergency Services Scherr LtdLas Vegas, NV · 133 clinicians
- Vituity-Nevada Medical Services Koury and Partners PCHenderson, NV · 64 clinicians
Hospital affiliations
- Mountainview HospitalLas Vegas, NV
- Saint Rose Dominican Hospitals - North Las VegasNorth Las Vegas, NV
- Southern Hills Hospital and Medical CenterLas Vegas, NV
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 356 emergency medicine physicians in Las Vegas · All emergency medicine physicians in Nevada