Hien Hanh Nguyen, M.D.
NPI 1558591008ActiveIndividual· Hospitalist· Irvine, CA
Hospitalist (M.D.) in Irvine, California, trained at Temple University School of Medicine (class of 2009). In 2024 Medicare paid $61,634 for 253 patients, and Part D covered 342 of their prescriptions, 85% of them generic. Janssen Pharmaceuticals, Inc reported $22.14 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1558591008 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 18, 2009 |
| Last updated in NPPES | Oct 12, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A121257 | CA |
| Internal Medicine | 207R00000X | A121257 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 253 |
|---|---|
| Services billed | 672 across 7 procedure codes |
| Paid by Medicare | $61,634 |
Part D prescriptions in 2024
| Prescriptions (claims) | 342 · 358 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $17,416 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Pacific Hospitalist Associates A Medical CorporationNewport Beach, CA · 93 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Hoag Orthopedic InstituteIrvine, CA
Industry payments (Open Payments)
- 2024$22.14 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $22.14 | 1 |
What the 2024 payments were for
- Food and Beverage$22.14 · 1 payment
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