Alexander Chuong Nguyen, D.O.
NPI 1265842470ActiveIndividual· Hospitalist· Irvine, CA
Hospitalist (D.O.) in Irvine, California, trained at Touro Un Col of Osteopathic Medicine, Henderson (class of 2014). 279 Medicare patients in 2024, $73,375 paid; nearly all of their 657 Part D prescriptions were generic (90%). Kestra Medical Technology Services, Inc. was the largest of 4 companies reporting payments in 2025, $613.43 in all, mostly food and beverage.
Overview
| NPI | 1265842470 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 28, 2014 |
| Last updated in NPPES | Jan 4, 2026 |
| Certified by provider | Jan 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 20A14372 | CA |
| Internal Medicine | 207R00000X | 20A14372 | 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 | 279 |
|---|---|
| Services billed | 793 across 10 procedure codes |
| Paid by Medicare | $73,375 |
Part D prescriptions in 2024
| Prescriptions (claims) | 657 · 679 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $35,367 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Touro Un Col of Osteopathic Medicine, Henderson |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- Superior Hospitalist Medical Group IncLos Angeles, CA · 75 clinicians
Hospital affiliations
- Martin Luther King, Jr. Community HospitalLos Angeles, CA
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$613.43 · 21 payments from 4 companies
- 2024$387.95 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kestra Medical Technology Services, Inc. | $323.72 | 13 |
| Ucb, Inc. | $124.26 | 1 |
| Pfizer Inc. | $114.70 | 5 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $50.75 | 2 |
What the 2025 payments were for
- Food and Beverage$613.43 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 hospitalists in Irvine · All hospitalists in California