Hong Phuc Nguyen, DO
NPI 1992995997ActiveIndividual· Internal Medicine· Lancaster, CA
Internal Medicine (DO) with Sierra Medical Group Holding Company, Inc., practicing in Lancaster, California. Part D covered 8,134 prescriptions written in 2024, 91% of them generic.
Overview
| NPI | 1992995997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 26, 2007 |
| Last updated in NPPES | Jul 2, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A11360 | CA |
| Internal Medicine | 207R00000X | N6536 | TX |
| Internal Medicine | 207R00000X | 5101017225 | MI |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 8,134 · 15,843 30-day fills |
|---|---|
| Patients | 480 |
| Total drug cost | $619,160 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Sierra Medical Group Holding Company, Inc.Valencia, CA · 9 clinicians
Other facilities
- Beta Hospice Care IncHospice · San Bernardino, 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 79 internal medicine physicians in Lancaster · All internal medicine physicians in California