Chidao L. Nguyen, DO
NPI 1780850198ActiveIndividual· Hospitalist· Westminster, CA
Hospitalist (DO) in Westminster, California, trained at Western University of Health Sciences College of Dental Med (class of 2006). In 2024 Medicare paid $378,466 for 711 patients, and Part D covered 2,175 of their prescriptions, 84% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $39.72 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780850198 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 6, 2008 |
| Last updated in NPPES | Apr 19, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 20A10338 | CA |
| Internal Medicine | 207R00000X | 20A10338 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 711 |
|---|---|
| Services billed | 3,757 across 13 procedure codes |
| Paid by Medicare | $378,466 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,175 · 2,332 30-day fills |
|---|---|
| Patients | 390 |
| Total drug cost | $147,944 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Western University of Health Sciences College of Dental Med |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Garden Grove Hospital & Medical CenterGarden Grove, CA
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Excellence Home Health Care Agency IncHome health agency · Chino, CA
- Seniority Home Health, Inc.Home health agency · Los Angeles, CA
- Alta Gardens Care CenterNursing home · Garden Grove, CA
- Citrus Post-AcuteNursing home · Santa Ana, CA
- Garden Park Care CenterNursing home · Garden Grove, CA
- Huntington Valley Healthcare CenterNursing home · Huntington Beach, CA
Industry payments (Open Payments)
- 2025$39.72 · 1 payment from 1 company
- 2024$79.11 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $39.72 | 1 |
What the 2025 payments were for
- Food and Beverage$39.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Hospitalist providers in Westminster
- 1013246180